instruction sheet off vehicle carburetor service 50 …

' ' 1 9 8 2 T E C H U T C O . P r i n t e d i n USA.

INSTRUCTION SHEET OFF VEHICLE CARBURETOR SERVICE 5 0 - 5 0 5 - 3

R O C H E S T E R M O D E L S M 4 M C , M 4 M C A , M 4 M E A GENERAL EXPLODED VIEW

T H E G E N E R A L D E S I G N A N D P A R T S SHOWN W I L L V A R Y TO I N D I V I D U A L U N I T S C O V E R E D ON T H I S I N S T R U C T I O N S H E E T DISASSEMBLY

U S E E X P L O D E D V I E W A S A G U I D E . T H E N U M E R I C A L S E Q U E N C E MAY G E N E R A L L Y B E F O L L O W E D TO D I S A S S E M B L E U N I T F A R E N O U G H TO P E R M I T C L E A N I N G A N D I N S P E C T I O N . N O T E ; PUMP L E V E R P I N C93

C A N BE D R I V E N I N U N T I L I T R E L E A S E S PUMP L E V E R C I O ) . BOWL C O V E R S C R E W S C 2 I t ) A R E L O C A T E D I N S I D E OF T H E A I R H O R N . ON M O D E L S W I T H A U X I L I A R Y M E T E R I N G ROD C 2 6 ) . P U S H T O P O F ROD TO O N E S I D E TO U N H O O K I T F R O M I T S H O L D E R B E F O R E R E M O V I N G BOWL C O V E R G A S K E T C273. A N E R O I D OR F I L L E R S P O O L M E T E R I N G ROD A S S Y . C32) I S F R A G I L E A N D S H O U L D BE H A N D L E D G E N T L Y . T H E U N I T S A R E F A C T O R Y - A D J U S T E D A N D E X T R E M E L Y C R I T I C A L . NO A D J U S T M E N T S H O U L D BE A T T E M P T E D . R E P L A C E D W I T H A S P A C E R ON 1976 M O D E L S . POWER P I S T O N A S S Y S . C33)C37) C A N B E R E M O V E D BY C A R E F U L L Y P R Y I N G O U T OR B Y B O U N C I N G P I S T O N . C A U T I O N ; ON M O D E L S U S I N G A M A I N A N D A U X I L I A R Y POWER P I S T O N , BE S U R E A N D M A R K POWER P I S T O N S P R I N G S C36)C38) A S T H E Y A R E R E M O V E D . T H E Y A R E N O T I N T E R C H A N G E A B L E . P R I M A R Y M A I N J E T S C t S ) A R E T H E O N L Y J E T S R E M O V E A B L E . I D L E L I M I T E R C A P S C6"t) C A N C A R E F U L L Y BE R E M O V E D BY C U T T I N G O F F W I T H P L I E R S . NO R E P L A C E M I N T C A P S A R E N E C E S S A R Y A S A B A R E M I X T U R E N E E D L E

S S U F F I C I E N T T O I N D I C A T E T H A T T H E M I X T U R E H A S B E E N R E A D J U S T E D . B E F O R E R E M O V I N G I D L E A D J U S T I N G N E E D L E S C65)

T U R N E A C H N E E D L E I N A N D C O U N T T H E N U M B E R OF T U R N S I T T A K E S T O S E A T E A C H N E E D L E C R E C 0 R D 3 . 1976 M O D E L S H A V E A . P . T . A D J U S T M E N T SCREW L O C A T E D D I R E C T L Y I N F R O N T O F POWER P I S T O N . NO A T T E M P T S H O U L D BE M A D E TO R E A D J U S T . F A C T O R Y A D J U S T E D TO M E E T E M I S S I O N R E Q U I R E M E N T S .

NOMENCLATURE R E F .

N O .

SCREW C 2 ) - F R 0 N T V A C U U M B R E A K F R O N T V A C U U M B R E A K A S S Y . H O S E - F R O N T V A C . B R E A K U N I T C O N N E C T I N G R O D - F R O N T V A C . B R E A K H O S E - R E A R V A C . B R E A K SCREW C 2 ) - R E A R V A C . B R E A K R E A R V A C U U M B R E A K A S S Y . C O N N E C T I N G R O D - R E A R V A C . B R E A K P I N - P U M P L E V E R L E V E R - P U M P ROD

"'38. S P R I N G - A U X . POWER P I S T O N

SCREW E L O C K W A S H E R - V E N T C O V E R C O V E R - V E N T V A L V E G A S K E T - C O V E R S P R I N G - V E N T V A L V E SCREW - C H O K E L E V E R L E V E R - C H O K E S H A F T S C R E W - S E C . M E T E R I N G ROD H O L D E R H O L D E R - S E C . M E T E R I N G RODS M E T E R I N G ROD ( 2 ) - S E C O N D A R Y SCREW E L O C K W A S H E R C 2 ) -

B O W L C O V E R ( L O N G ) SCREW e L O C K W A S H E R C t ) -

BOWL C O V E R B A F F L E - A I R SCREW C2) - BOWL C O V E R C T A P E R E D H E A D ) BOWL C O V E R A S S Y . M E T E R I N G ROD C I ) -A U X I L I A R Y

G A S K E T - BOWL C O V E R S P A C E R - P U M P S T E M P U M P A S S Y . S P R I N G - P U M P R E T U R N SCREW C 2 ) - A N E R 0 I D A S S Y . A N E R O I D A S S Y . C S P A C E R 1976)

POWER P I S T O N A S S Y . - M A I N S P R I N G - M E T E R I N G ROD M E T E R I N G R O D C 2 ) - M A I N S P R I N G - M A I N P I S T O N A S S Y . POWER P I S T O N A S S Y . -A U X I L I A R Y

I T E M S N O T N O R M A L L Y F O U N D O N A L L M O D E L S .

CLEANING C L E A N I N G M U S T B E D O N E W I T H C A R B U R E T O R D I S A S S E M B L E D . S O A K P A R T S L O N G E N O U G H T O S O F T E N A N D R E M O V E A L L F O R E I G N M A T E R I A L . U S E A C A R B U R E T O R C L E A N I N G S O L V E N T . M A K E C E R T A I N T H E T H R O T T L E B O R E S A R E F R E E O F A L L C A R B O N D E P O S I T S . R I N S E O F F I N S U I T A B L E S O L V E N T . BLOW O U T A L L P A S S A G E S I N C A S T I N G S W I T H C O M P R E S S E D A I R A N D C H E C K C A R E F U L L Y TO I N S U R E T H O R O U G H C L E A N I N G O F O B ­S C U R E A R E A S . C A U T I O N ; DO N O T S O A K F I L L E R S P O O L OR A N E R O I D A S S Y . C 3 2 ) , F L O A T C t O ) , D I A P H R A G M U N I T S C 2 ) C 7 ) , OR P A R T S M A D E O F R U B B E R OR P L A S T I C I N C L E A N I N G S O L V E N T S . DO N O T S A N D , W I R E B R U S H , OR F I L E ON T E F L O N - C O A T E D P A R T S .

REASSEMBLY R E A S S E M B L E I N R E V E R S E O R D E R O F D I S A S S E M B L Y . N O T E S P E C I A L I N S T R U C T I O N S A N D F O L L O W N U M E R I C A L O U T L I N E I N M A K I N G A D J U S T ­M E N T S N E C E S S A R Y FOR C A R B U R E T O R B E I N G S E R V I C E D .

SPECIAL INSTRUCTIONS S P E C I A L I N S T R U C T I O N S S E E N E X T P A G E .

I N S E R T - F L O A T B O W L F L O A T S L E V E R A S S Y . H I N G E P I N - F L O A T N E E D L E , S E A T , S G A S K E T A S S Y . P L U G - P U M P D I S C . BALL B A L L - P U M P D I S C . J E T C2) - P R I M A R Y M A I N SCREW C 3 ) - C H 0 K E C O V E R R E T A I N E R R E T A I N E R C 3 ) - C H 0 K E C O V E R C H O K E C O V E R A S S Y . r , _ A S K E T _ - _ C H O K E COVF_R^ _ S C R E W - STAT C O I L LEVER L E V E R - S T A T C O I L SCREW S W A S H E R - C H O K E H O U S I N G C H O K E H O U S I N G S E A L - C H O K E H O U S I N G C A M - F A S T I D L E C A M - S E C O N D A R Y L O C K O U T S H A F T A S S Y . - I N T E R M E D I A T E C H O K E ROD - C H O K E L E V E R - I N T E R M E D I A T E C H O K E S E A L - I N T E R M E D I A T E C H O K E S H A F T T U B E - V A C U U M P A S S A G E SCREW S L O C K W A S H E R C2) -

T H R O T T L E B O D Y T H R O T T L E B O D Y A S S Y . C A P C2) - I D L E L I M I T E R N E E D L E C 2 ) - I D L E A D J U S T I N G S P R I N G C2) - I D L E A D J . N E E D L E

G A S K E T - T H R O T T L E B O D Y F I L T E R N U T - F U E L I N L E T G A S K E T - F I L T E R N U T F I L T E R - F U E L S P R I N G - F U E L F I L T E R S C R E W C2) - C O V E R C O V E R - I D L E C O M P E N S A T O R I D L E C O M P E N S A T O R A S S Y . G A S K E T - I D L E C O M P E N S A T O R F L O A T BOWL A S S Y .

ADJUSTMENTS SPECIAL INSTRUCTIONS

FUEL F I L T E R NUT £ GASKET C 6 8 ) C 6 9 ) - I N S T A L L AND TIGHTEN SECURELY CIS F T . L B S . ) . DO NOT OVER-T IGHTEN.

I D L E ADJUSTING NEEDLES CBS^)- TURN EACH NEEDLE I N U N T I L L I G H T L Y SEATED^ THEN BACK OUT THE NUMBER OF TURNS COUNTED AT DISASSEMBLY C ALTERNATE J-h TURNS O U T ) .

SEALS, INTERMEDIATE CHOKE SHAFT C 6 0 ) CS"*) - SEAL C 6 0 ) I N S T A L L WITH L I P FACING OUT. SEAL CS"!) I N S T A L L WITH L I P FACING I N .

CHOKE COVER ASSY. C t S ) - DO NOT I N S T A L L COVER U N T I L CHOKE L INKAGE ADJUSTMENTS ARE MADE. C A U T I O N : ELECTRIC CHOKE MODELS DO NOT USE A CHOKE COVER GASKET BETWEEN THE ELECTRIC CHOKE ASSY. AND HOUSING

FLOAT I N S T A L L A T I O N - I N S T A L L FLOAT BY S L I D I N G FLOAT LEVER UNDER PULL C L I P FROM FRONT TO BACK, I N S T A L L FLOAT P I N COO NOT I N S T A L L PULL C L I P I N HOLES OF FLOAT A R M ) .

POWER PISTON ASSYS. C 3 3 ) ( 3 7 ) - PRESS DOWN FIRMLY ON PLASTIC POWER PISTON RETAINER TO BE SURE I T IS FLUSH WITH TOP OF BOWL C A S T I N G .

BOWL COVER I N S T A L L A T I O N - T I G H T E N BOWL COVER SCREWS I N SEQUENCE AS SHOWN.CSEE EXPLODED V I E W ) .

REFER TO DECAL I N ENGINE COMPARTMENT FOR CORRECT TUNE UP PROCEDURE AND S P E C I F I C A T I O N S .

PRESS DOWN GENTLY ON FLOAT TANG U N T I L SEATED ON NEEDLE.-

T O A D J U S T B E N D

F L O A T U P O R D O W N . -

HOLD FLOAT HINGE P I N FIRMLY I N PLACE.

3 ) B 0 W L C O V E R G A S K E T R E M O V E D .

M E A S U R E F R O M T O P O F C A S T I N G

T O T O P O F F L O A T 3 / 1 6 " I N

F R O M T O E O F F L O A T .

C A U T I O N

D O N O T E X E R T P R E S S U R E

O N R E S I L I E N T N E E D L E

V A L V E .

D R Y F L O A T L E V E L A D J U S T M E N T .

0I N S T A L L PUMP ROD I N PROPER HOLE.

© M E A S U R E F R O M T O P O F

C H O K E V A L V E W A L L T O .

T O P O F P U M P S T E M . .

TO ADJUST SUPPORT PUMP LEVER ON PUMP END AND BEND LEVER ON PUMP ROD S I D E .

© BACK OUT THROTTLE STOP SCREW. THROTTLE VALVES HELD CLOSED.

PUMP ROD ADJUSTMENT

®

VENT VALVE COVER AND SPRING REMOVED, CHOKE I N WIDE OPEN P O S I T I O N , FAST I D L E CAM FREE.

® T0 A D J U S T , REMOVE PLUG AND TURN HEX SCREW. REPLACE PLUG AFTER ADJUSTMENT.

GAUGE I N PLACE, VENT VALVE SHOULD BE CLOSED. GAUGE REMOVED, VENT VALVE SHOULD BE OPEN.

BACK OUT THROTTLE STOP SCREW.

© THROTTLE VALVES COMPLETELY CLOSED. TURN THROTTLE STOP SCREW I N U N T I L I T CONTACTS STOP TANG ON THROTTLE LEVER. THEN TURN SCREW I N 1 1 / 2 TURNS

BOWL VENT VALVE ADJUSTMENT.

INSERT . 1 2 0 GAUGE I N HOLE. LOWER EDGE OF LEVER SHOULD JUST TOUCH GAUGE.

I V U S H UP ON CHOKE C O I L LEVER U N T I L CHOKE VALVE I S CLOSED.

CHOKE COIL LEVER ADJUSTMENT. F I G . If

BACK OUT FAST I D L E SCREW. CAM FOLLOWER POSIT IONED ON HIGH STEP OF FAST I D L E CAM..

TURN FAST IDLE SCREW I N U N T I L I T CONTACTS STOP ON CAM FOLLOWER LEVER. TURN I N 3 A D D I T I O N A L TURNS.

FAST IDLE SETTING COFF E N G I N E ) .

© TO ADJUST BEND TANG ON FAST IDLE CAMr

PLACE CAM FOLLOWER ON SECOND STEP OF FAST IDLE CAM NEXT TO HIGH STEP.

/

J N M E A S U R E B E T W E E N U P P E R

- ^ E D G E O F C H O K E V A L V E

A N D A I R H O R N W A L L .

PUSH UPWARD ON CHOKE C O I L LEVER, MOVING CHOKE TOWARD CLOSED P O S I T I O N U N T I L STOP I S MADE.

ANGLE GAUGE METHOD SEE F I G . 2 1

CHOKE ROD (FAST I D L E CAM) ADJUSTMENT. F I G . 6

© A I R VALVE COMPLETELY CLOSED. MEASURE DISTANCE BETWEEN ROD AND END OF SLOT I N LEVERT7

PLUG PURGE BLEED HOLE WITH TAPE CWHEN U S E D ) . SEAT DIAPHRAGM USING OUTSIDE SORCE OF VACUUM.

A I R VALVE ROD ADJUSTMENT. F I G . 7

® M E A S U R E D I S T A N C E

B E T W E E N U P P E R E D G E

O F C H O K E V A L V E A N D

A I R H O R N W A L L .

T A P E P U R G E B L E E D H O L E

I N C O V E R . C W H E N U S E D ) .

A P P L Y O U T S I D E V A C U U M

S O U R C E T O F U L L Y - S E A T

D I A P H R A G M .

A N G L E G A U G E M E T H O D

S E E F I G . 2 1

P L A C E C A M F O L L O W E R O N

H I G H S T E P O F F A S T I D L E

C A M .

P U S H U P O N I N S I D E C H O K E C O I L

L E V E R U N T I L T A N G O N

I N T E R M E D I A T E C H O K E S H A F T

C A N T A C T S T A N G O N V A C U U M »

B R E A K P L U N G E R S T E M . \

F R O N T V A C U U M B R E A K A D J U S T M E N T . F I G . 8

P E P U R G E B L E E D H O L E I N

C O V E R C W H E N U S E D ) . A P P L Y

O U T S I D E V A C U U M S O U R C E T O

S E A T D I A P H R A G M . .

©M E A S U R E B E T W E E N U P P E R E D G E O F

C H O K E V A L V E A N D A I R H O R N W A L L .

A N G L E G A U G E M E T H O D

S E E F I G . 2 1

R E A R V A C U U M B R E A K A D J U S T M E N T .

P U S H U P O N C H O K E

C O I L L E V E R ,

D I A P H R A G M

P L U N G E R F U L L Y

E X T E N D E D . ( B A C K I N G

S P R I N G F U L L Y

C O M P R E S S E D W H E N

U S E D ) . D O N O T

P U L L D I A P H R A G M

O F F I T S S E A T .

F I G . 9

® R O D I N B O T T O M O F S L O T . .

C H O K E V A L V E S H O U L D B E . W w i D E O P E N . C V E R T I C A L

4 S ^ P 0 I T I 0 N ) .

to A P P L Y O U T S I D E

V A C U U M S O U R C E

T O F U L L Y S E A T D I A P H R A G M . .

' P U S H U P O N

C H O K E L E V E R .

C D O N O T P U L L

D I A P H R A G M

O F F I T S S E A T .

R E A R V A C U U M B R E A K A D J U S T M E N T . ChW E N G ) .

T O A D J U S T L O O S E N A L L E N L O C K

S C R E W . A I R V A L V E S H E L D C L O S E D

T U R N A D J U S T I N G S C R E W C L O C K W I S E

U N T I L T O R S I O N S P R I N G C O N T A C T S

P I N O N A I R V A L V E S H A F T . T H E N

T U R N A D D I T I O N A L S P E C I F I E D

T U R N S A N D T I G H T E N A L L E N L O C K

S C R E W . C S E E D A T A T A B L E F O R T U R N S ) .

A D J U S T I N G S P R I N G

S C R E W

A L L E N L O C K

S C R E W T

A I R V A L V E S P R I N G A D J U S T M E N T .

f > t « v - t t

R O T A T E C H O K E C O V E R A G A I N S T

S P R I N G T E N S I O N . S E T M A R K

O N C O V E R T O S P E C I F I E D P O I N T

O N C H O K E H O U S I N G . C S E E D A T A

T A B L E F O R S E T T I N G ) .

A U T O M A T I C C H O K E C O I L A D J U S T M E N T .

• ' F I S . I t

M E A S U R E B E T W E E N U P P E R

E D G E O F C H O K E V A L V E

A N D A I R H O R N W A L L .

A N G L E G A U G E M E T H O D

S E E F I G . 2 1

' J T H R O T T L E V A L V E S H E L D

I N W I D E O P E N P O S I T I O N .

U N L O A D E R A D J U S T M E N T . F I G . 1 5

® ] J S T E P A

C H O K E V A L V E A N D T H R O T T L E

V A L V E S C L O S E D .

® S T E P B

C H O K E V A L V E H E L D W I D E

O P E N B Y P U S H I N G D O W N

O N T A I L O F F A S T I D L E

C A M .

® T O A D J U S T B E N D ,

L O C K O U T P I N .

® C.015" C L E A R A N C E )

M E A S U R E D I S T A N C E B E T W E E N !

L O C K O U T P I N A N D L O C K O U T

L E V E R .

C.015" C L E A R A N C E )

( D M E A S U R E D I S T A N C E B E T W E E N

^ E N D O F L O C K O U T P I N t

L O C K O U T L E V E R .

S E C O N D A R Y T H R O T T L E L O C K O U T A D J U S T M E N T . F I G . I k

T I G H T E N

L O C K N U T

L O O S E N L O C K N U T . v i / C P L U N G E R E X T E N D E D )

T U R N D A S H P O T A S S E M B L Y I N U N T I L P L U N G E R C O N T A C T S T H R O T T L E L E V E R . T H E N T U R N I N 2 M O R E T U R N S .

T H R O T T L E D A S H P O T A D J U S T M E N T . F I G . 1 7

' T U R N A / C O N . I D L E S P E E D U P S O L E N O I D E N E R G I Z E D

J _ C P L U N G E R S T E M E X T E N D E D ) .

A D J U S T P L U N G E R S C R E W T O O B T A I N S P E C I F I E D E N G I N E R . P . M .

A / C I D L E S P E E D U P S O L E N O I D A D J U S T M E N T .

F I G . I I

® P U S H I N O N P L U N G E R C T O W A R D T H R O T T L E L E V E R ) U N T I L P L U N G E R I S S E A T E D .

' C U R B I D L E A D J U S T E D C E N G I N E O E C A L ) .

I P L U N G E R H E L D I N W A R D A G A I N S T S T O P . A D J U S T P L U N G E R A D J U S T I N G S C R E W T O P R O P E R D E C A L R . P . M . C S E E E N G I N E D E C A L ) .

T R U C K D E C E L E R A T I O N T H R O T T L E S T O P A D J U S T M E N T .

F I G . 1 9

C U R B I D L E A D J U S T E D . T H E N P L A C E C A M F O L L O W E R O N P R O P E R S T E P O F F A S T I D L E C A M . A D J U S T F A S T I D L E SCREW T O x P R O P E R R . P . M .

F A S T I D L E A D J U S T M E N T . CON C A R ) .

C A U T I O N : P L A C E C A R B U R E T O R O N H O L D I N G

F I X T U R E SO T H A T I T W I L L R E M A I N I N

S A M E P O S I T I O N W H E N G A U G E I S I N P L A C E .

1 . R O T A T E D E G R E E S C A L E U N T I L Z E R O CO)

I S O P P O S I T E P O I N T E R .

2 . C H O K E V A L V E H E L D C O M P L E T L Y C L O S E D . P L A C E M A G N E T S Q U A R L E Y ON T O P O F C H O K E V A L V E . 3 . R O T A T E B U B B L E U N T I L I T I S C E N T E R E D .

R O T A T E S C A L E SO T H A T D E G R E E S P E C I ­F I E D F O R A D J U S T M E N T I S O P P O S I T E P O I N T ­E R .

5 . F O L L O W N U M E R I C A L O U T L I N E I N M A K I N G A D J U S T M E N T , I N S T E A D O F M E A S U R I N G G A P A T E D G E O F C H O K E V A L V E . M A K E A D J U S T ­M E N T T O B R I N G B U B B L E B A C K T O C E N T E R P O S I T I O N .

J - 2 6 7 0 1 K E N T M O O R E T O O L

B T - 7 7 0 < ( B O R R O U G H S T O O L

A N G L E G A U G E M E T H O D C U 5 E W I T H R E G U L A R A D J U S T M E N T O U T L I N E )

1 9 8 0 S P E C I A L I N S I K U C T I 0 N S 7 CAREFULLY A L I G N A # 2 1 D R I L L ( . 1 5 9 " ) O N POP R IVET H E A D A N D DRILL E N O U G H T O R E M O V E RIVET H E A D . D R I L L A L L 3 RIVET H E A D S . U S E A DRIFT P U N C H A N D H A M M E R , DRIVE T H E R E M A I N D E R OF R IVETS O U T O F T H E C H O K E H O U S I N G . R E M O V E C H O K E C O M P O N E N T S . R E P L A C E M E N T R E T A I N E R S A N D S E L F T A P P I N G S C R E W S A R E F O U N D IN REPAIR KIT. BEFORE A S S E M B L I N G C H O K E . S T A R T SELF T A P P I N G S C R E W S IN C H O K E H O U S I N G T O BE S U R E S C R E W S S T A R T E A S I L Y A N D A R E A L I G N E D PROPERLY

C H O K E COVER I N S T A L L A T I O N . A L I G N N O T C H IN COVER W I T H RETAINER T A B (2 O ' C L O C K P O S I T I O N ) . T I G H T E N S C R E W S EVENLY A N D S E C U R E L Y .

R E M O V I N G & R E P L A C I N G T A M P E R R E S I S T A N T C H O K E C O V E R

S U P P O R T T H R O T T L E B O D Y . T H E N P L A C E A P U N C H B E T W E E N T H E T W O L O C A T O R P O I N T S IN T H R O T T L E B O D Y . B R E A K O U T T H R O T T L E B O D Y T O G A I N A C C E S S T O T H E IDLE M I X T U R E N E E D L E . D R I V E O U T H A R D E N E D S T E E L P L U G C O V E R I N G M I X T U R E N E E D L E . H A R D E N E D P L U G W I L L S H A T T E R (PLUG W I L L N O T BE R E P L A C E D ) . R E M O V E I D L E A D J U S T I N G N E E D L E U S I N G PROPER D E E P S O C K .

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I D L E M I X T U R E N E E D L E P L U G R E M O V A L

F O L L O W P R O C E D U R E IN F IG. 9 , & FIG. 2 1 . T O A D J U S T U S E A 1 / 8 " H E X W R E N C H T U R N S C R E W IN REAR COVER U N T I L B U B B L E IS C E N T E R E D .

N O T E ; O N D E L A Y M O D E L S ( # 6 3 4 4 3 3 O R # 6 4 7 9 7 S T A M P E D O N B R A C K E T ) . P L U G E N D C O V E R U S I N G A P U M P P L U N G E R C U P 2 G TYPE OR E Q U I V A L E N T . R E M O V E CUP A F T E R A D J U S T M E N T .

T O A D J U S T

T U R N S C R E W .

REAR V A C U U M B R E A K A D J U S T M E N T ( S C R E W A D J U S T M E N T TYPE)

1 9 8 0 A D D I T I O N A L B O W L COVER S C R E W S

®1983 TECHLIT CO. Pr inted in U.S.A.

ADJUSTMENT DATA T A B L E

R O C H E S T E R C A R B U R E T O R - MODELS M4MC, M4MCA, M4MEA

USE WITH 50-505-3 *

5 0 - 5 2 6 - 8

P u m p F a s t A i r V a c u u m V a c u u m A i r V a l v e A u t o F a s t

F l o a t R o d P u m p I d l e C h o k e V a l v e B r e a k B r e a k S p r i n g C h o k e I d l e Y e a r M a k e L e v e l I.A c a t i o n R o d ( B e n c h ) R o d R o d ( F r o n t ) ( R e a r ) T u r n s S e t t i n g U n l o a d e r * R P M

1 9 7 5 B u i c k 3 5 0 " E n g . A / T 3 / 8 " O u t e r 3 / 8 " 2 T u r n s 3 / 3 2 " 1 / 6 4 " 1 / 8 " 7 / 6 4 " 3 / 4 1 - R i c h 1 5 / 6 4 " 1 8 0 0 P H / S C a l i f . 3 5 0 " A / T 3 / 8 " O u t e r 3 / 8 " 2 T u r n s 3 / 3 2 " 1 / 6 4 " 9 / 6 4 " 1 / 8 " 3 / 4 1 - R i c h 1 5 / 6 4 " 1 8 0 0 P H / S 4 0 0 " E n g . A / T 1 7 / 3 2 " i n n e r 9 / 3 2 " 3 T u r n s 1 / 8 " 1 / 3 2 " 5 / 3 2 " 1 7 / 6 4 " 1 / 2 I n d e x 1 5 / 6 4 " 1 8 O O P H / S 4 5 5 " E n g . A / T 1 5 / 3 2 " I n n e r 3 / 8 " 2 T u r n s 3 / 3 2 " 1 / 6 4 " 9 / 6 4 " 1 / 8 " 7 / 1 6 1 - R i c h 1 5 / 6 4 " 1 8 0 0 P H / S C a l i f . 4 5 5 " E n g . A / T 1 5 / 3 2 " O u t e r 3 / 8 " 2 T u r n s 3 / 3 2 " 1 / 6 4 " 9 / 6 4 " 1 / 8 " 7 / 1 6 1 - R i c h 1 5 / 6 4 " 1 8 0 0 P H / S

1 9 7 6 B u i c k 3 5 0 " E n g . F * d . A / T 5 / 1 6 " O u t e r 3 / 8 " 2 T u r n s 3 / 3 2 " 1 / 6 4 " 9 7 6 4 " 1 / 8 " 3 / 4 1 - R i c h 1 / 4 " 1 8 OOP H / S c a l i f . A / T 5 / 1 6 " O u t e r 3 / 8 " 2 T u r n s 3 / 3 2 " 1 / 6 4 " 1 / 8 " 1 / 8 " 3 / 4 i n d e x 1 / 4 " 1 8 0 0 P H / S 4 5 5 " E n g . F e d . A / T 1 5 / 3 2 " I n n e r 9 / 3 2 " 2 T u r n s 3 / 3 2 " 1 / 6 4 " 9 / 6 4 " 1 / 8 " 7 / 1 6 1 - R i c h 1 / 4 " 1 8 0 0 P H / S C a l i f . A / T 1 5 / 3 2 " O u t e r 3 / 8 " 2 T u r n s 3 / 3 2 " 1 / 6 4 " 9 / 6 4 " 1 / 8 " 7 / 1 6 1 - R i c h 1 / 4 " 1 8 OOP H / S

1 9 7 7 B u i c k 3 5 0 " / 4 0 3 " E n g . F e d . A / T 1 3 / 3 2 " i n n e r 9 / 3 2 " 3 T u r n s 3 / 3 2 " 1 / 3 2 " 9 / 6 4 " 3 / 1 6 " 1 / 2 2 - R i c h 7 / 3 2 " 9 0 0 P L / S C a l i f . A / T 1 3 / 3 2 " I n n e r 9 / 3 2 " 3 T u r n s 3 / 3 2 " 1 / 3 2 " 9 / 6 4 " 1 / 4 " 1 / 2 2 - R i c h 7 / 3 2 " l O O O P L / S A l t . A / T 1 3 / 3 2 " i n n e r 9 / 3 2 " 3 T u r n s 3 / 3 2 " 1 / 3 2 " 9 / 6 4 " 1 5 / 6 4 " 1 / 2 2 - R i c h 7 / 3 2 " l O O O P L / S 3 5 0 " E n g . W / S l n g l e V a c . B r e a k F e d . A / T 1 5 / 3 2 " I n n e r 9 / 3 2 " 3 T u r n s 2 1 / 6 4 " 1 / 6 4 " 1 / 4 " 7 / 8 2 - L e a n 9 / 3 2 " 1 6 0 0 P H / S C a l i f . A / T 1 5 / 3 2 " I n n e r 9 / 3 2 " 3 T u r n s 2 1 / 6 4 " 1 / 6 4 " 1 7 / 6 4 " 7 / 8 2 - L e a n 9 / 3 2 " 1 6 0 0 P H / S A l t . A / T 1 5 / 3 2 " i n n e r 9 / 3 2 " 3 T u r n s 2 1 / 6 4 " 1 / 6 4 " 9 / 3 2 " 7 / 8 2 - L e a n 9 / 3 2 " 1 6 0 0 P H / S 3 5 0 " E n g . C a r b . N o .

9 / 3 2 "

1 7 0 5 7 2 4 1 , 2 4 2 A / T 5 / 1 6 " O u t e r 3 / 8 " 2 T u r n s 3 / 3 2 " 1 / 6 4 " 1 / 8 " 7 / 6 4 " 3 / 4 1 - R i c h 1 / 4 " 1 5 5 0 P H / S

1 9 7 8 B u i c k 2 3 1 " E n g .

6 C y l . A / T 7 / 3 2 " I n n e r 9 / 3 2 " 3 T u r n s 5 / 6 4 " 1 / 6 4 " 7 / 6 4 " 1 / 8 " 3 / 4 I n d e x 7 / 3 2 " 2 S 0 0 P H / S B u i c k 3 5 0 " E n g .

C a r b . N o . 1 7 0 5 8 2 4 1

F e d . A / T 5 / 1 6 " O u t e r 3 / 8 " 3 T u r n s 5 / 6 4 " 1 / 6 4 " 7 / 6 4 " 3 / 3 2 " 3 / 4 1 - R i c h 7 / 3 2 " 1 5 5 0 P 1 7 0 5 8 5 5 3 C a l i f . A / T 1 3 / 3 2 " i n n e r 9 / 3 2 " 3 T u r n s 3 / 3 2 " 1 / 3 2 " 1 / 8 " 1 3 / 6 4 " 1 / 2 2 - R i c h 3 / 1 6 " l O O O P U S 1 7 0 5 8 5 0 2 , 5 0 4 C a l i f . / V T 1 5 / 3 2 " i n n e r 9 / 3 2 " 3 T u r n s 9 / 3 2 " 1 / 6 4 " 1 1 / 6 4 " 7 / 8 2 - L e a n 1 7 / 6 4 " 1 6 0 0 P 1 7 0 5 8 2 4 6 A l t . A / T 7 / 3 2 " O u t e r 3 / 8 " 3 T u r n s 5 / 6 4 " 1 / 6 4 " 1 / 8 " 1 / 8 " 3 / 4 I n d e x 7 / 3 2 " 2 5 0 0 P 1 7 0 5 8 5 8 2 , 5 8 4 A l t . A / T 1 5 / 3 2 " I n n e r 9 / 3 2 " 3 T u r n s 9 / 3 2 " 1 / 6 4 " 3 / 1 6 " 7 / 8 2 - L e a n 1 7 / 6 4 " 1 6 0 0 P

B u i c k 4 0 3 " E n g . - _ — F e d . A / T 1 3 / 3 2 " I n n e r 9 / 3 2 " 3 T u r n s 5 / 6 4 " 1 / 3 2 " 1 / 8 " 1 1 / 6 4 " 1 / 2 2 - R i c h 3 / 1 6 " 9 0 0 P L / S C a l l f . / A l t . A / T 1 3 / 3 2 " I n n e r 9 / 3 2 " 3 T u r n s 3 / 3 2 " 1 / 3 2 " 1 / 8 " 1 3 / 6 4 " 1 / 2 2 - R i c h 3 / 1 6 " l O O O P L / S

1 9 7 5 C a d i l l a c , F e d . & A l t . O p t . A / T 1 5 / 3 2 " O u t e r 3 / 8 " 2 T u r n s 5 / 6 4 " 1 / 6 4 " 5 / 3 2 " 1 / 8 " 7 / 1 6 2 - R i c h 7 / 3 2 " 1 2 0 0 P 2 / S C a l i f . A / T 1 5 / 3 2 " O u t e r 3 / 8 " 2V4 T u r n s 5 / 6 4 " 1 / 3 2 " 3 / 1 6 " 3 / 1 6 " 1 / 2 1 - R i c l i 7 / 3 2 " 1 2 0 0 P 2 / S

1 9 7 6 C a d i l l a c 5 0 0 " E n g . F e d . & A l t . O p t . A / T 1 3 / 3 2 " O u t e r 3 / 8 " 2 T u r n s 5 / 6 4 " 1 / 3 2 " 1 1 / 6 4 " 9 / 6 4 " 3 / 8 2 - R i c h 1 5 / 6 4 " 1 4 0 0 N 2 / S * C a l i f . A / T 1 3 / 3 2 " I n n e r 9 / 3 2 " 2 T u r n s 5 / 6 4 " 1 / 3 2 " 1 1 / 6 4 " 1 1 / 6 4 " 3 / 8 2 - R i c h 1 5 / 6 4 " 1 4 0 0 N 2 / S *

1 9 7 7 C a d i l l a c 4 2 5 " E n g . / V T C a r b . N o . 1 7 0 5 7 2 3 0 1 3 / 3 2 " O u t e r 3 / 8 " 2 T u r n s 5 / 6 4 " 1 / 3 2 " 7 / 6 4 " 1 / 8 " 1 / 2 2 - R i c h 1 5 / 6 4 " 1 4 0 0 P 2 / S

1 7 0 5 7 2 3 1 1 7 / 3 2 " O u t e r 3 / 8 " 2 T u r n s 5 / 6 4 " 1 / 3 2 " 9 / 6 4 " 1 / 8 " 1 / 2 2 - R i c h 1 5 / 6 4 " 1 4 0 0 P 2 / S 1 7 0 5 7 2 3 2 1 3 / 3 2 " O u t e r 3 / 8 " 2 T u r n s 5 / 6 4 " 1 / 3 2 " 9 / 6 4 " 1 / 8 " 1 / 2 2 - R i c h 1 5 / 6 4 " 1 4 0 0 P 2 / S 1 7 0 5 7 2 3 3 1 3 / 3 2 " O u t e r 3 / 8 " 2 T u r n s 5 / 6 4 " 1 / 3 2 " 9 / 6 4 " 9 / 6 4 " 1 / 2 2 - R i c h 1 5 / 6 4 " 1 4 0 0 P 2 / S 1 7 0 5 7 5 3 0 . 5 3 3 1 3 / 3 2 " O u t e r 7 / 1 6 " 2 T u r n s 5 / 6 4 " 1 / 3 2 " 5 / 3 2 " 5 / 3 2 " 1 / 2 2 - R i c h 1 5 / 6 4 " 1 5 0 0 P 2 / S 1 7 0 5 7 2 3 4 1 3 / 3 2 " I n n e r 9 / 3 2 " 2 T u r n s 5 / 6 4 " 1 / 3 2 " 9 / 6 4 " 1 / 8 " 3 / 4 2 - R i c h 1 5 / 6 4 " 1 4 0 0 P 2 / S 1 7 0 5 7 2 3 5 1 7 / 3 2 " i n n e r 9 / 3 2 " 2 T u r n s 5 / 6 4 " 1 / 3 2 " 9 / 6 4 " 1 / 8 " 3 / 4 2 - R i c h 1 5 / 6 4 " 1 4 0 0 P 2 / S

1 9 7 8 l a d i l i a c 4 2 5 " E n g . A / T C a r b . N o . 1 7 0 5 8 2 3 3 , 5 3 0

5 3 1 , 5 3 3 1 3 / 3 2 " I n n e r 9 / 3 2 " 2 T u r n s S / 6 4 " 1 / 3 2 " 9 / 6 4 " 5 / 3 2 " 1 / 2 2 - R i c h 3 / 1 6 " 1 5 0 0 2 / S 1 7 0 5 8 2 3 0 1 3 / 3 2 " I n n e r 9 / 3 2 " 2 T u r n s 5 / 6 4 " 1 / 3 2 " 9 / 6 4 " 1 5 / 6 4 " 1 / 2 2 - R i c h 3 / 1 6 " 1 4 0 0 2 / S 1 7 0 5 8 2 3 2 1 3 / 3 2 " I n n e r 9 / 3 2 " 2 T u r n s 5 / 6 4 " 1 / 3 2 " 9 / 6 4 " 5 / 3 2 " 3 / 4 2 - R i c h 3 / 1 6 " 1 5 0 0 2 / S

1 9 7 7 C h e c k e r M t r s . 3 5 0 " E n g . C a l i f . A / T 1 5 / 3 2 " I n n e r 9 / 3 2 " 3 T u r n s 2 1 / 6 4 " 1 / 6 4 " 1 7 / 6 4 " 7 / 8 2 - L e a n 9 / 3 2 " 1 6 0 0 P H / S A l t . / V T 1 5 / 3 2 " I n n e r 9 / 3 2 " 3 T u r n s 2 1 / 6 4 " 1 / 6 4 " 9 / 3 2 " 7 / 8 2 - L e a n 9 / 3 2 " 1 6 0 0 P H / S

1 9 7 8 C h e c k e r M t r s . 3 5 0 " E n g . A / T 1 5 / 3 2 " I n n e r 9 / 3 2 " 3 T u r n s 9 / 3 2 " 1 / 6 4 " . 3 / 1 6 " 7 / 8 2 - L e a n 1 7 / 6 4 " 1 6 0 0 P

1 9 7 5 C h e v r o l e t A l l M o d e l s A l l 3 5 0 " E n g . A / T 1 5 / 3 2 " i n n e r 9 / 3 2 " 3 T u r n s 1 9 / 6 4 " 1 / 6 4 " 3 / 1 6 " 1 1 / 6 4 " 7 / 8 I n d e x 2 1 / 6 4 " 1 6 0 0 P H / S A l l 3 5 0 " E n g . M / T 1 5 / 3 2 " I n n e r 9 / 3 2 " 3 T u r n s 1 9 / 6 4 " 1 / 6 4 " 3 / 1 6 " 1 1 / 6 4 " 7 / 8 2 - L e a n 2 1 / 6 4 " 1 6 0 0 N H / S 4 0 0 " E n g . A / T 1 5 / 3 2 " I n n e r 9 / 3 2 " 3 T u r n s 2 1 / 6 4 " 1 / 6 4 " 3 / 1 6 " 1 1 / 6 4 " 3 / 4 I n d e x 2 1 / 6 4 " 1 6 0 0 P H / S C a l i f . 4 0 0 " E n g . A / T 1 5 / 3 2 " I n n e r 9 / 3 2 " 3 T u r n s 2 1 / 6 4 " 1 / 6 4 " 1 3 / 6 4 " 1 1 / 6 4 " 3 / 4 I n d e x 2 1 / 6 4 " 1 6 0 0 P H / S 4 5 4 " E n g . A / T 1 7 / 3 2 " I n n e r 9 / 3 2 " 2 T u r n s 1 / 1 6 " 1 / 6 4 " 1 3 / 6 4 " 3 5 / 6 4 " 9 / 1 6 I n d e x 9 / 3 2 " l O O O P 2 / S

1 9 7 6 C h e v r o l e t A l l M o d e l s 3 5 0 " E n g . A / T 1 3 / 3 2 " I n n e r 9 / 3 2 " 3 T u r n s 2 1 / 6 4 " 1 / 6 4 " 3 / 1 6 " 7 / 8 2 - L e a n 2 1 / 6 4 " 1 6 0 0 P H / S

M / T 1 3 / 3 2 " I n n e r 9 / 3 2 " 3 T u r n s 2 1 / 6 4 " 1 / 6 4 " 3 / 1 6 " 7 / 8 3 - L e a n 2 1 / 6 4 " 1 6 0 0 N H / S 3 5 0 " E n g . H i . P e r f . A / T 1 3 / 3 2 " I n n e r 9 / 3 2 " 3 T u r n s 2 1 / 6 4 " 1 / 6 4 " 3 / 1 6 " 1 2 - L e a n 2 1 / 6 4 " 1 6 0 0 P H / S

M / T 1 3 / 3 2 " i n n e r 9 / 3 2 " 3 T u r n s 2 1 / 6 4 " 1 / 6 4 " 1 1 / 6 4 " 1 2 - L e a n 2 1 / 6 4 " 1 6 0 0 N H / S * 0 0 " E n g . A / T 1 3 / 3 2 " I n n e r 9 / 3 2 " 3 T u r n s 2 1 / 6 4 " 1 / 6 4 " 3 / 1 6 " 7 / 8 2 • L e a n 2 1 / 6 4 " 1 6 0 0 P H / S »54" E n g . A / T 1 3 / 3 2 " I n n e r 9 / 3 2 " 3 T u r n s 1 3 / 6 4 " 1 / 6 4 " 1 5 / 6 4 " 5 / 3 2 " 7 / 8 I n d e x 9 / 3 2 " 1 6 0 0 P H / S »54" E n g . C a n a d a A / T 1 5 / 3 2 " I n n e r 9 / 3 2 " 3 T u r n s 2 1 / 6 4 " 1 / 6 4 " 5 / 3 2 " 7 / 8 2 - R i c h 9 / 3 2 " 1 6 0 0 P H / S

1 9 7 6 - 7 . 7 C h e v r o l e t 3 5 0 " E n g . | c a n a d a A / T 1 5 / 3 2 " O u t e r 3 / 8 " 3 T u r n s 2 1 / 6 4 " 1 / 6 4 " 5 / 3 2 " 7 / 8 I n d e x 2 1 / 6 4 " 1 6 0 0 P H / S

P u m p F a s t A i r V a c u u m V a c u u m A i r V a i v e A u t o F a s t

F l o a t R o d P u m p i d l e C h o k e V a l v e B r e a k B r e a k S p r i n g C h o k e I d l e

Y e a r M a k e L e v e l l o c a t i o n R o d ( B e n c h ) R o d R o d F r o n t R e a r T u r n s S e t t i n g U n l o a d e r * R P M

1 9 7 7 C h e v r o l e t 3 5 0 " E n g . F e d . A / T 1 5 / 3 2 " I n n e r 9 / 3 2 " 3 T u r n s 2 1 / 6 4 " 1 / 6 4 " 1 / 4 " 7 / 8 2 - L e a n 9 / 3 2 " 1 6 0 0 R H / S C a l i f . A / T 1 5 / 3 2 " i n n e r 9 / 3 2 " 3 T u r n s 2 1 / 6 4 " 1 / 6 4 " 1 7 / 6 4 " 7 / 8 2 - L e a n 9 / 3 2 " 1 6 0 0 P H / S A l t . A / T 1 5 / 3 2 " i n n e r 9 / 3 2 " 3 T u r n s 2 1 / 6 4 " 1 / 6 4 " 9 / 3 2 " 7 / 8 2 - L e a n 9 / 3 2 " 1 6 0 0 P H / S C a r b . N o . l 7 0 5 7 2 0 3 M / T 1 5 / 3 2 " i n n e r 9 / 3 2 " 3 T u r n s 2 1 / 6 4 " 1 / 6 4 " 1 / 4 " 7 / 8 3 - L e a n 9 / 3 2 " 1 3 0 0 N H / S

1 7 0 5 7 2 1 0 A / T 1 5 / 3 2 " i n n e r 9 / 3 2 " 3 T u r n s 2 1 / 6 4 " 1 / 6 4 " 9 / 3 2 " 1 2 • L e a n 9 / 3 2 " 1 6 0 0 P H / S 1 7 0 5 7 2 1 1 M / T 1 5 / 3 2 " i n n e r 9 / 3 2 " 3 T u r n s 2 1 / 6 4 " 1 / 6 4 " 9 / 3 2 " 1 3 - L e a n 9 / 3 2 " 1 3 0 0 N H / S 1 7 0 5 7 2 2 8 A / T 1 3 / 32 " I n n e r 9 / 3 2 " 3 T u r n s 2 1 / 6 4 " 1 / 6 4 " 9 / 3 2 " 1 2 - L e a n 9 / 3 2 " 1 6 0 OP H / S

1 9 7 8 C h e v r o l e t 3 5 0 " E n g . 1 7 0 5 8 2 0 2 , 2 0 4 F e d . / V T 1 5 / 3 2 " i n n e r 9 / 3 2 " 3 T u r n s 9 / 3 2 " 1 / 6 4 " 5 / 3 2 " 7 / 8 2 - L e a n 1 7 / 6 4 " 1 6 0 0 P 1 7 0 5 8 2 0 3 F e d . M / T 1 5 / 3 2 " i n n e r 9 / 3 2 " 3 T u r n s 9 / 3 2 " 1 / 6 4 " 5 / 3 2 " 7 / 8 3 - L e a n 1 7 / 6 4 " 1 3 0 0 N 1 7 0 5 8 2 1 0 , 2 2 8 F e d . A / T 1 5 / 3 2 " i n n e r 9 / 3 2 " 3 T u r n s 9 / 3 2 " 1 / 6 4 " 3 / 1 6 " 1 2 - L e a n 1 7 / 6 4 " 1 6 0 0 P 1 7 0 5 8 2 1 1 F e d . M / T 1 5 / 3 2 " i n n e r 9 / 3 2 " 3 T u r n s 9 / 3 2 " 1 / 6 4 " 3 / 1 6 " 1 3 - L e a n 1 7 / 6 4 " 1 6 0 0 N

C a l i f . A / T 1 5 / 3 2 " i n n e r 9 / 3 2 " 3 T u r n s 9 / 3 2 " 1 / 6 4 " 3 / 1 6 " 7 / 8 2 - L e a n 1 7 / 6 4 " 1 6 0 0 P C a n a d a A / T 1 5 / 3 2 " I n n e r 9 / 3 2 " 3 T u r n s 9 / 3 2 " 1 / 6 4 " 9 / 6 4 " 7 / 8 I n d e x 1 7 / 6 4 " 1 6 0 0 P

1 9 7 5 C t i e v r o l e t T r u c k C - 1 0 , ( E l C a m i n o C a l i f . ) 3 5 0 " E n g . / V T 1 5 / 3 2 " I n n e r 9 / 3 2 " 3 T u r n s 1 9 / 6 4 " 1 / 6 4 " 3 / 1 6 " 1 1 / 6 4 " 7 / 8 I n d e x 2 1 / 6 4 " 1 6 0 0 P H / S C - 1 0 , 3 5 0 " E n g . M / T 1 5 / 3 2 " I n n e r 9 / 3 2 " 3 T u r n s 1 9 / 6 4 " 1 / 6 4 " 3 / 1 6 " 1 1 / 6 4 " 7 / 8 2 - l ^ a n 2 1 / 6 4 " 1 6 0 0 N H / S S - 1 0 , 3 5 0 " E n g . / V T 5 / 1 6 " I n n e r 9 / 3 2 " 3 T u r n s 2 1 / 6 4 " 1 / 6 4 " 3 / 1 6 " 1 1 / 6 4 " 3 / 4 I n d e x 2 1 / 6 4 " 1 6 0 0 P H / S S - 1 0 0 , 3 5 0 " E n g . M / T 5 / 1 6 " I n n e r 9 / 3 2 " 3 T u r n s 2 1 / 6 4 " 1 / 6 4 " 3 / 1 6 " 1 1 / 6 4 " 3 / 4 2 - L e a n 2 1 / 6 4 " 1 6 0 0 N H / S * 0 0 " E n g . A / T 1 5 / 3 2 " i n n e r 9 / 3 2 " 3 T u r n s 2 1 / 6 4 " 1 / 6 4 " 3 / 1 6 " 1 1 / 6 4 " 3 / 4 i n d e x 2 1 / 6 4 " 1 6 0 0 P H / S C a l i f . 4 0 0 " E n g . A / T 1 5 / 3 2 " I n n e r 9 / 3 2 " 3 T u r n s 2 1 / 6 4 " 1 / 6 4 " 1 3 / 6 4 " 1 1 / 6 4 " 3 / 4 i n d e x 2 1 / 6 4 " 1 6 0 0 P H / S • 5 4 " E n g . A / T 1 7 / 3 2 " i n n e r 9 / 3 2 " 2 T u r n s 1 A 6 " 1 / 6 4 " 1 3 / 6 4 " 3 5 / 6 4 " 9 / 1 6 I n d e x 9 / 3 2 " l O p O P 2 / S C a l i f . 4 5 4 " E n g . A / T 1 7 / 3 2 " i n n e r 9 / 3 2 " 2 T u r n s 1 / 1 6 " 1 / 6 4 " 3 / 1 6 " 3 5 / 6 4 " 9 / 1 6 i n d e x 9 / 3 2 " l O O O P 2 / S

1 9 7 6 C h e v r o l e t & G M C T r u c k 3 5 0 " E n g . A / T 5 / 1 6 " i n n e r 9 / 3 2 " 3 T u r n s 2 1 / 6 4 " 1 / 6 4 " 3 / 1 6 " 7 / 8 2 - L e a n 2 1 / 6 4 " 1 6 0 0 P H / S

M / T 5 / 1 6 " I n n e r 9 / 3 2 " 3 T u r n s 2 1 / 6 4 " 1 / 6 4 " 3 / 1 6 " 7 / 8 3 - l ^ a n 1 - 1 a a n

2 1 / 6 4 " 1 6 0 0 N H / S

± - L . t K i r i ( C a l i f . )

3 5 0 " E n g . C a n a d a A / T 5 / 1 6 " O u t e r 3 / 8 " 3 T u r n s 2 1 / 6 4 " 1 / 6 4 " 5 / 3 2 " 7 / 8 I n d e x 2 1 / 6 4 " 1 6 0 0 P H / S 4 5 4 " E n g . F e d . / V T 7 / 1 6 " i n n e r 9 / 3 2 " 3 T u r n s 2 1 / 6 4 " 1 / 6 4 " 1 1 / 6 4 " 7 / 8 2 - R i c h 9 / 3 2 " 1 6 0 0 P H / S C a l i f . A i l / T 7 / 1 6 " I n n e r 9 / 3 2 " 3 T u r n s 2 1 / 6 4 " 1 / 6 4 " 3 / 1 6 " 7 / 8 I n d e x 9 / 3 2 " 1 6 0 0

1 9 7 7 C h e v r o l e t & G M C T r u c k 3 5 0 " E n g . A / T 7 / 1 6 " i n n e r 9 / 3 2 " 3 T u r n s 2 1 / 6 4 " 1 / 6 4 " 1 1 / 6 4 " 7 / 8 2 - L e a n 9 / 3 2 " 1 6 0 0 P H / S F e d . M / T 7 / 1 6 " I n n e r 9 / 3 2 " 3 T u r n s 2 1 / 6 4 " 1 / 6 4 " 1 1 / 64" 7 / 8 3 - L e a n 9 / 3 2 " 1 3 0 0 N H / S C a l i f . M / T 7 / 1 6 " i n n e r 9 / 3 2 " 3 T u r n s 2 1 / 6 4 " 1 / 6 4 " 1 1 / 6 4 " 7 / 8 1 - L e a n 9 / 3 2 " 1 3 0 0 N H / S C a r b . N o . 1 7 0 5 7 2 0 2 ,

1 7 0 5 7 2 0 4 F e d . A / T 1 5 / 3 2 " i n n e r 9 / 3 2 " 3 T y r p s 1 / 6 4 " 1 / 4 " 7 / 8 2 - L e a n 9 / 3 2 " 1 6 0 0 P H / S 1 7 0 5 7 2 0 9 F e d . M / T 5 / 1 6 " I n n e r - _ l / 6 4 1 " — 1 1 /64" 7 / 8 3 - R i c h 9 / 3 2 " l ^ O O N H / S 1 7 0 5 7 5 0 2 , 7 5 0 4

5 / 1 6 " I n n e r - — 1 1 /64" 7 / 8 3 - R i c h

C a l i f . A / T 1 5 / 3 2 " i n n e r 9 / 3 2 " 3 T u r n s 2 1 / 6 4 " 1 / 6 4 " 1 7 / 6 4 " 7 / 8 2 - l _ e a n 9 / 3 2 " 1 6 0 0 P H / S 1 7 0 5 7 5 0 3 C a l i f . M / T 1 5 / 3 2 " I n n e r 9 / 3 2 " 3 T u r n s 2 1 / 6 4 " 1 / 6 4 " 1 1 / 6 4 " 7 / 8 1 - L e a n 9 / 3 2 " 1 3 0 0 N H / S 1 7 0 5 7 5 8 2 , 7 5 8 4 A i t . / V T 1 5 / 3 2 " i n n e r 9 / 3 2 " 3 T u r n s 2 1 / 6 4 " 1 / 6 4 " 9 / 3 2 " 7 / 8 2 - L e a n 9 / 3 2 " 1 6 0 0 P H / S 1 7 0 5 7 5 8 6 , 7 5 8 8 A i t . A / T 7 / 1 6 " O u t e r 9 / 3 2 " 3 T u r n s 2 1 / 6 4 " 1 / 6 4 " 3 / 1 6 " 7 / 8 2 - L e a n 9 / 3 2 " 1 6 0 0 P H / S

4 5 4 " E n g . F e d . A / T 3 / 8 " I n n e r 9 / 3 2 " 3 T u r n s 2 1 / 6 4 " 1 / 6 4 " 1 1 / 6 4 " 7 / 8 2 - R i c h 2 1 / 6 4 " 1 6 0 0 P H / S C a l i f . A l l / T 7 / 1 6 " i n n e r 9 / 3 2 " 3 . T u r n s 9 / 3 2 " 1 / 6 4 " 5 / 3 2 " 7 / 8 I n d e x 1 7 / 6 4 " 1 7 0 0 M H / S G M C M t r . H o m e 4 0 3 " E n g . F e d . 1 5 / 3 2 " I n n e r 9 / 3 2 " 3 T u r n s 7 / 6 4 " 1 / 3 2 " 9 / 6 4 " 1 / 2 3 - R i c h 7 / 3 2 " 9 0 0 P L / S

1 9 7 8 C h e v . & G M C T r u c k 3 5 0 " E n g .

1 7 0 5 8 2 1 8 , 2 2 2 F e d . A / T 7 / 1 6 " i n n e r 9 / 3 2 " 3 T u r n s 9 / 3 2 " 1 / 6 4 " 9 / 6 4 " 7 / 8 2 - L e a n 1 7 / 6 4 " 1 6 0 0 P 1 7 0 5 8 2 1 9 F e d . M / T 7 / 1 6 " i n n e r 9 / 3 2 " 3 T u r n s 9 / 3 2 " 1 / 6 4 " 5 / 3 2 " 7 / 8 3 - L e a n 1 7 / 6 4 " 1 8 0 0 N 1 7 0 5 8 2 0 2 , 2 0 4 F e d . A / T 1 5 / 3 2 " I n n e r 9 / 3 2 " 3 T u r n s 9 / 3 2 " 1 / 6 4 " 1 1 / 6 4 " 7 / 8 2 - L e a n 1 7 / 6 4 " 1 6 0 0 P 1 7 0 5 8 2 0 1 F e d . M / T 1 5 / 3 2 " i n n e r 9 / 3 2 " 3 T u r n s 9 / 3 2 " 1 / 6 4 " 5 / 3 2 " 7 / 8 3 - L e a n 1 7 / 6 4 " 1 3 0 0 N 1 7 0 5 8 5 0 9 , 5 1 0 , 5 8 6 , 5 8 8 A l t . A / T 1 5 / 3 2 " O u t e r 1 1 / 3 2 " 3 T u r n s 9 / 3 2 " 1 / 6 4 " 1 1 / 6 4 " 7 / 8 2 - L e a n 1 7 / 6 4 " 1 6 0 0 P 1 7 0 5 8 5 0 6 , 5 0 8 , 5 1 8 , 5 2 2 C a l i f . / V T 1 5 / 3 2 " i n n e r 9 / 3 2 " ^ T u r n s 9 / 3 2 " 1 / 6 4 " 1 1 / 6 4 " 7 / 8 1 - L e a n 1 7 / 6 4 " 1 6 0 0 P 1 7 0 5 8 5 0 3 , 5 1 9 C a l i f . M / T 1 5 / 3 2 " I n n e r 9 / 3 2 " 3 T u r n s 9 / 3 2 " 1 / 6 4 " 1 1 / 6 4 " 7 / 8 1 - L e a n 1 7 / 6 4 " 1 3 0 0 N

4 0 0 " E n g . 1 7 0 5 8 5 2 3 , 5 2 4 , 5 2 7 , 5 2 8 C a l i f . A / T 1 5 / 3 2 " I n n e r 9 / 3 2 " 3 T u r n s 9 / 3 2 " 1 / 6 4 " 5 / 3 2 " 7 / 8 1 - L e a n 1 7 / 6 4 " 1 6 0 0 P

4 5 4 " . E n g .

1 7 0 5 8 5 0 1 , 5 2 0 , 5 2 1 F e d . / C a l l f . A l l / T 3 / 8 " i n n e r 9 / 3 2 " 3 T u r n s 9 / 3 2 " 1 / 6 4 " 5 / 3 2 " 7 / 8 3 - L e a n 1 7 / 6 4 " 1 6 0 0 1 7 0 5 8 5 1 2 C a l i f . A l l / T 1 3 / 3 2 " I n n e r 9 / 3 2 " 3 T u r n s 9 / 3 2 " 1 / 6 4 " 5 / 3 2 " 7 / 8 I n d e x 1 / 4 " 1 7 0 0 G M C M t r . H o m e 4 0 3 " E n g . 1 5 / 3 2 " I n n e r 9 / 3 2 " 3 T u r n s 3 / 3 2 " 1 / 3 2 " 1 / 8 " 1 / 2 3 - R i c h 1 3 / 6 4 " 1 0 0 0 L / S

1 9 7 5 G M C T r u c k C - 1 5 0 0 , ( S p r i n t C a l i f . ) 3 5 0 " E n g . A / T 1 5 / 3 2 " I n n e r 9 / 3 2 " 3 T u r n s 1 9 / 6 4 " 1 / 6 4 " 3 / 1 6 " 1 1 / 6 4 " 7 / 8 I n d e x 2 1 / 6 4 " 1 6 0 0 P H / S C - 1 5 0 0 , 3 5 0 " E n g . M / T 1 5 / 3 2 " I n n e r 9 / 3 2 " 3 T u r n s 1 9 / 6 4 " 1 / 6 4 " 3 / 1 6 " 1 1 / 6 4 " 7 / 8 2 - L e a n 2 1 / 6 4 " 1 6 0 0 N H / S G - 1 5 0 0 , 3 5 0 " E n g . A / T 5 / 1 6 " i n n e r 9 / 3 2 " 3 T u r n s 2 1 / 6 4 " 1 / 6 4 " 3 / 1 6 " 1 1 / 6 4 " 3 / 4 I n d e x 2 1 / 6 4 " 1 6 0 0 P H / S G - 1 5 0 0 , 3 5 0 " E n g . M / T 5 / 1 6 " I n n e r 9 / 3 2 " 3 T u r n s 2 1 / 6 4 " 1 / 6 4 " 3 / 1 6 " 1 1 / 6 4 " 3 / 4 2 - L e a n 2 1 / 6 4 " 1 6 0 0 N hKS 4 0 0 " E n g . / V T 1 5 / 3 2 " I n n e r 9 / 3 2 " 3 T u r n s 2 1 / 6 4 " 1 / 6 4 " 3 / 1 6 " 1 1 / 6 4 " 3 / 4 I n d e x 2 1 / 6 4 " 1 6 0 0 P H / S C a l i f . 4 0 0 " E n g . A / T 1 5 / 3 2 " I n n e r 9 / 3 2 " 3 T u r n s 2 1 / 6 4 " 1 / 6 4 " 1 3 / 6 4 " 1 1 / 6 4 " 3 / 4 I n d e x 2 1 / 6 4 " 1 6 0 0 P H / S 4 5 4 " E n g . A / T 1 7 / 3 2 " I n n e r 9 / 3 2 " 2 T u r n s 1 / 1 6 " 1 / 6 4 " 1 3 / 6 4 " 3 5 / 6 4 " 9 / 1 6 I n d e x 9 / 3 2 " l O O O P 2 / S C a l i f . 4 5 4 " E n g . A / T 1 7 / 3 2 " I n n e r 9 / 3 2 " 2 T u r n s 1 / 1 6 " 1 / 6 4 " 3 / 1 6 " 3 5 / 6 4 " 9 A 6 I n d e x 9 / 3 2 " 1OOOP 2 / S

1 9 7 6 - 7 7 S E E C h e v r o l e t T r u c k F o r G M C

P u m p F a s t A i r V a c u u m V a c u u m A i r V a l v e A u t o F a s t

F l o a t R o d P u m p i d l e C h o k e V a l v e B r e a k B r e a k S p r i n g C h o k e I d l e Y e a r M a k e l ^ v e l L o c a t i o n R o d ( B e n c h ) R o d R o d F r o n t R e a r T u r n s S e t t i n g U n l o a d e r * R P M

1 9 7 5 O l d s m o b i l e ( C a r b . N o . 7 0 4 5 1 8 3 ) 3 5 0 " E n g . A / T 1 5 / 3 2 " i n n e r 9 / 3 2 " 3 T u r n s 9 / 6 4 " 1 / 3 2 " 3 / 1 6 " 9 / 6 4 " 1 / 2 2 - R i c h 1 5 / 6 4 " 9 0 0 P L / S ( C a r b . N o . 7 0 4 5 2 4 6 ) 3 5 0 " E n g . A / T 3 / 8 " O u t e r 3 / 8 " 2 T u r n s 3 / 3 2 " 1 / 6 4 " 1 / 8 " 7 / 6 4 " 3 / 4 1 - R i c h 1 5 / 6 4 " 1 8 0 0 P H / S ( C a r b . N o . 7 0 4 5 2 5 0 ) 3 5 0 " E n g . A / T 1 5 / 3 2 " I n n e r 9 / 3 2 " 3 T u r n s 9 / 6 4 " 1 / 3 2 " 3 / 1 6 " 9 / 6 4 " 1 / 2 2 - R i c h 1 5 / 6 4 " 9 0 0 P L / S C a l i f . ( C a r b . N o . 7 0 4 5 4 8 3 , 5 5 0 ) 3 5 0 " E n g . A / T 1 5 / 3 2 " i n n e r 9 / 3 2 " 3 T u r n s 9 / 6 4 " 1 / 3 2 " 3 / 1 6 " 9 / 6 4 " 1 / 2 2 - R i c h 1 5 / 6 4 " 9 0 0 P L / S 4 0 0 " E n g . A / T 1 7 / 3 2 " I n n e r 9 / 3 2 " 3 T u r n s 1 / 8 " 1 / 3 2 " 5 / 3 2 " 1 7 / 6 4 " 1 / 2 i n d e x 1 5 / 6 4 " 1 8 0 0 P H / S 4 5 5 " E n g . A / T 1 5 / 3 2 " I n n e r 9 / 3 2 " 3 T u r n s 9 / 6 4 " 1 / 3 2 " 3 / 1 6 " 9 / 6 4 " 3 / 4 2 - R i c h 1 5 / 6 4 " 9 0 0 P L / S T o r o n a d o 4 5 5 " E n g . A / T 1 5 / 3 2 " i n n e r 9 / 3 2 " 3 T u r n s 9 / 6 4 " 1 / 3 2 " 3 / 1 6 " 9 / 6 4 " 3 / 4 2 - R i c h 1 5 / 6 4 " 9 0 0 P L / S C a l i f . 4 5 5 " E n g . / V T 1 5 / 3 2 " I n n e r 9 / 3 2 " 3 T u r n s 9 / 6 4 " 1 / 3 2 " 3 / 1 6 " 9 / 6 4 " 3 / 4 2 - R i c h 1 5 / 6 4 " 9 0 0 P L / S

1 9 7 6 O l d s m o b i l e O m e g a 3 5 0 " E n g . F e d . A / T 5 / 1 6 " O u t e r 3 / 8 " 2 T u r n s 3 / 3 2 " 1 / 6 4 " 9 / 6 4 " 1 / 8 " 3 / 4 1 - R i c h 1 / 4 " 1 8 OOP H / S C a l i f . A / T 5 / 1 6 " O u t e r 3 / 8 " 2 T u r n s 3 / 3 2 " 1 / 6 4 " 1 / 8 " 1 / 8 " 3 / 4 i n d e x 1 / 4 " 1 8 0 0 P H / S O l d s . 3 5 0 " E n g . A / T 1 3 / 3 2 " i n n e r 9 / 3 2 " 3 T u r n s 1 / 8 " 1 / 3 2 " 3 / 1 6 " 9 / 6 4 " 1 / 2 2 - R i c h 1 5 / 6 4 " l O O O P L / S 4 5 5 " E n g . / V T 1 3 / 3 2 " I n n e r 9 / 3 2 " 3 T u r n s 1 / 8 " 1 / 3 2 " 3 / 1 6 " 9 / 6 4 " 3 / 4 2 - R i c h 1 5 / 6 4 " 9 0 0 P L / S 3 5 0 " & 4 5 5 " E n g . C a r b . N o ' s . 1 7 0 5 6 2 5 1 , 6 2 5 6 A / T 1 3 / 3 2 " i n n e r 9 / 3 2 " 3 T u r n s 1 / 8 " 1 / 3 2 " 3 / 1 6 " 9 / 6 4 " 3 / 4 2 - R i c h 1 5 / 6 4 " 9 0 0 P L / S C a r b . N o ' s . 1 7 0 5 6 5 5 1 , 6 5 5 6 / V T 1 3 / 3 2 " I n n e r 9 / 3 2 " 3 T u r n s 1 / 8 " 1 / 3 2 " 3 / 1 6 " 9 / 6 4 " 3 / 4 1 - R i c h 1 5 / 6 4 " 8 0 0 P L / S

1 9 7 7 O l d s m o b i l e 3 5 0 " E n g . F e d . / V T 1 3 / 3 2 " i n n e r 9 / 3 2 " 3 T u r n s 3 / 3 2 " 1 / 3 2 " 9 / 6 4 " 3 / 1 6 " 1 / 2 2 - R i c h 7 / 3 2 " 9 0 0 P L / S C a r b . N o . 1 7 0 5 7 2 5 8 F e d . A / T 1 3 / 3 2 " I n n e r 9 / 3 2 " 3 T u r n s 3 / 3 2 " 1 / 3 2 " 9 / 6 4 " 1 5 / 6 4 " 1 / 2 2 - R i c h 7 / 3 2 " l O O O P L / S C a l i f . / V T 1 3 / 3 2 " I n n e r 9 / 3 2 " 3 T u r n s 3 / 3 2 " 1 / 3 2 " 9 / 6 4 " 1 / 4 " 1 / 2 2 - R i c h 7 / 3 2 " l O O O P U S 3 5 0 " E n g . W / S i n g i e V a c . B r e a k C a l i f . A / T 1 5 / 3 2 " I n n e r 9 / 3 2 " 3 T u r n s 2 1 / 6 4 " 1 / 6 4 " 1 7 / 6 4 " 7 / 8 2 - L e a n 9 / 3 2 " 1 6 0 0 P H / S A l t . A / T 1 5 / 3 2 " i n n e r 9 / 3 2 " 3 T u r n s 2 1 / 6 4 " 1 / 6 4 " 9 / 3 2 " 7 / 8 2 - L e a n 9 / 3 2 " 1 6 0 0 P H / S 4 0 3 " E n g . C a l i f . A / T 1 3 / 3 2 " I n n e r 9 / 3 2 " 3 T u r n s 3 / 3 2 " 1 / 3 2 " 9 / 6 4 " 1 / 4 " 1 / 2 2 - R i c h 7 / 3 2 " l O O O P L / S C a r b . N o . 1 7 0 5 7 5 5 2 C a l i f . A / T 1 3 / 3 2 " I n n e r 9 / 3 2 " 3 T u r n s 3 / 3 2 " 1 / 3 2 " 9 / 6 4 " 1 5 / 6 4 " 1 / 2 2 - R i c h 7 / 3 2 " l O O O P L / S A l t . A / T 1 3 / 3 2 " I n n e r 9 / 3 2 " 3 T u r n s 3 / 3 2 " 1 / 3 2 " 9 / 6 4 " 1 5 / 6 4 " 1 / 2 2 - R i c h 7 / 3 2 " l O O O P L / S

1 9 7 8 O l d s m o b i l e 3 0 5 " E n g .

1 7 0 5 8 2 0 2 , 2 0 4 F e d . A / T 1 5 / 3 2 " I n n e r 9 / 3 2 " 3 T u r n s 9 / 3 2 " 1 / 6 4 " 5 / 3 2 " 7 / 8 2 - L e a n 1 7 / 6 4 " 1 6 0 0 P

3 5 0 " E n g . 1 7 0 5 8 5 0 2 , 5 0 4 C a l i f . / V T 1 5 / 3 2 " I n n e r 9 / 3 2 " 3 T u r n s 9 / 3 2 " 1 / 6 4 " 1 1 / 6 4 " 7 / 8 2 - L e a n 1 7 / 6 4 " 1 6 0 0 P 1 7 0 5 8 5 8 2 , 5 8 4 A l t . / V T 1 5 / 3 2 " I n n e r 9 / 3 2 " 3 T u r n s 9 / 3 2 " 1 / 6 4 " 3 / 1 6 " 7 / 8 2 - L e a n 1 7 / 6 4 " 1 6 0 0 P

3 5 0 " / 4 0 3 " E n g . 1 7 0 5 8 2 5 0 , 2 5 3 F e d . A / T 1 3 / 3 2 " I n n e r 9 / 3 2 " 3 T u r n s 5 / 6 4 " 1 / 3 2 " 1 / 8 " 1 1 / 6 4 " 1 / 2 2 - R i c h 3 / 1 6 " 9 0 0 L / S

1 7 0 5 8 2 5 8 , 5 5 3 A l t . / C a l i f . / V T 1 3 / 3 2 " I n n e r 9 / 3 2 " 3 T u r n s 3 / 3 2 " 1 / 3 2 " 1 / 8 " 1 3 / 6 4 " 1 / 2 2 - R i c h 3 / 1 6 " 1 0 0 0 L / S

4 0 3 " E n g . 1 7 0 5 8 2 5 9 F e d . A / T 1 3 / 3 2 " I n n e r 9 / 3 2 " 3 T u r n s 3 / 3 2 " 1 / 3 2 " 1 / 8 " 1 1 / 6 4 " 1 / 2 2 - R i c h 3 / 1 6 " 9 0 0 L / S

1 7 0 5 8 2 5 7 , 5 5 5

A l t . / C a l i f . / V T 1 3 / 3 2 " i n n e r 9 / 3 2 " 3 T u r n s 3 / 3 2 " 1 / 3 2 " 1 / 8 " 1 3 / 6 4 " 1 / 2 2 - R i c h 3 / 1 6 " 1 0 0 0 L / S

1 9 7 5 F t o n t i a c 3 5 0 " E n g . / V T 1 7 / 3 2 " I n n e r 9 / 3 2 " 3 T u r n s 1 / 8 " 1 / 3 2 " 5 / 3 2 " 1 7 / 6 4 " 7 / 1 6 i n d e x 1 5 / 6 4 " 1 8 0 0 P H / S 3 5 0 " E n g . M / T 1 7 / 3 2 " I n n e r 9 / 3 2 " 3 T u r n s 1 / 8 " 1 / 3 2 " 5 / 3 2 " 1 7 / 6 4 " 7 / 1 6 i n d e x 1 5 / 6 4 " I B O O N H / S . ( V e n t u r a ) 3 5 0 " E n g . A / T 3 / 8 " O u t e r 3 / 8 " 2 T u r n s 3 / 3 2 " 1 / 6 4 " 1 / 8 " 7 / 6 4 " 3 / 4 1 - R i c h 1 5 / 6 4 " 18OOP H / S ( C a n . ) 3 5 0 " E n g . / V T 1 5 / 3 2 " I n n e r 9 / 3 2 " 3 T u r n s 1 9 / 6 4 " 1 / 6 4 " 3 / 1 6 " 1 1 / 6 4 " 7 / 8 i n d e x 2 1 / 6 4 " 1 6 0 0 P H / S 4 0 0 " E n g . A l l / T 1 7 / 3 2 " i n n e r 9 / 3 2 " 3 T u r n s 1 / 8 " 1 / 3 2 " 5 / 3 2 " 1 7 / 6 4 " 1 / 2 i n d e x 1 5 / 6 4 " 1 8 0 0 N H / S 4 5 5 " E n g . A / T 1 7 / 3 2 " I n n e r 9 / 3 2 " 3 T u r n s 1 / 8 " 1 / 3 2 " 5 / 3 2 " 1 7 / 6 4 " 1 / 2 i n d e x 1 5 / 6 4 " 1 8 0 0 P H / S

1 9 7 6 I ' o n t i a c 3 5 0 " E n g . F e d . / V T 5 / 1 6 " O u t e r 3 / 8 " 2 T u r n s 3 / 3 2 " 1 / 6 4 " 9 / 6 4 " 1 / 8 " 3 / 4 1 - R i c h 1 / 4 " 1 8 0 0 P H / S C a l i f . / V T 5 / 1 6 " O u t e r 3 / 8 " 2 T u r n s 3 / 3 2 " 1 / 6 4 " 9 / 6 4 " 9 / 6 4 " 3 / 4 i n d e x 1 / 4 " 1 8 0 0 P H / S 3 5 0 " E n g . C a n a d a / V T 1 5 / 3 2 " I n n e r 9 / 3 2 " 3 T u r n s 2 1 / 6 4 " 1 / 6 4 " 5 / 3 2 " 7 / 8 I n d e x 2 1 / 6 4 " 1 6 0 0 P H / S 3 5 0 " E n g . C a r b . N o . 1 7 0 5 6 5 6 8 A / T 1 7 / 3 2 " O u t e r 3 / 8 " 3 T u r n s 1 / 8 " 1 / 3 2 " 5 / 3 2 " 1 / 4 " 1 / 2 1 - R i c h 1 5 / 6 4 " 1 8 0 0 P H / S 4 0 0 " - 4 5 5 " E n g . / V T 1 7 / 3 2 " O u t e r 3 / 8 " 3 T u r n s 1 / 8 " 1 / 3 2 " 5 / 3 2 " 1 / 4 " 1 / 2 1 - R i c h 1 5 / 6 4 " 1 8 0 0 P H / S C a r b . N o . 1 7 0 5 6 2 6 3 M / T 1 7 / 3 2 " O u t e r 3 / 8 " 3 T u r n s 1 / 8 " 1 / 3 2 " 1 1 / 6 4 " 1 / 4 " 5 / 8 1 - R i c h 1 5 / 6 4 " 1 8 0 0 N H / S 4 5 5 " E n g . C a l i f . / V T 1 7 / 3 2 " O u t e r 3 / 8 " 3 T u r n s 1 / 8 " 1 / 3 2 " 1 1 / 6 4 " 1 / 4 " 1 / 2 1 - R i c h 1 5 / 6 4 " I B O O P H / S

1 9 7 7 P o n t i a c 3 5 0 " E n g . F e d . / V T 1 3 / 3 2 " i n n e r 9 / 3 2 " 3 T u r n s 3 / 3 2 " 1 / 3 2 " 9 / 6 4 " 3 / 1 6 " 1 / 2 2 - . R i c h 7 / 3 2 " 9 0 0 P L / S C a r b . N o . 1 7 0 5 7 2 6 2 / V T 1 7 / 3 2 " O u t e r 3 / 8 " 3 T u r n s 1 / 8 " 1 / 3 2 " 5 / 3 2 " 1 / 4 " 1 / 2 1 - R i c h 7 / 3 2 " 1 8 0 0 P H / S C a l i f . A / T 1 3 / 3 2 " i n n e r 9 / 3 2 " 3 T u r n s 3 / 3 2 " 1 / 3 2 " 9 / 6 4 " 1 / 4 " 1 / 2 2 - R i c h 7 / 3 2 " l O O O P L / S A l t . / V T 1 3 / 3 2 " i n n e r 9 / 3 2 " 3 T u r n s 3 / 3 2 " 1 / 3 2 " 9 / 6 4 " 1 5 / 6 4 " 1 / 2 2 - R i c h 7 / 3 2 " l O O O P L / S 3 5 0 " E n g . W / S i n g i e V a c . B r e a k C a l i f . A / T 1 5 / 3 2 " i n n e r 9 / 3 2 " 3 T u r n s 2 1 / 6 4 " 1 / 6 4 " 1 7 / 6 4 " 7 / 8 2 - L e a n 9 / 3 2 " 1 6 0 0 P H / S A l t . / V T 1 5 / 3 2 " I n n e r 9 / 3 2 " 3 T u r n s 2 1 / 6 4 " 1 / 6 4 " 9 / 3 2 " 7 / 8 2 - L e a n 9 / 3 2 " 1 6 0 0 P H / S 4 0 0 " E n g . F e d . / V T 1 7 / 3 2 " O u t e r 3 / 8 " 3 T u r n s 1 / 8 " 1 / 3 2 " 5 / 3 2 " 1 / 4 " 1 / 2 1 - R i c h 9 / 3 2 " 1 8 0 0 P H / S

M / T 1 7 / 3 2 " O u t e r 3 / 8 " 3 T u r n s 1 / 8 " 1 / 3 2 " 1 1 / 6 4 " 1 / 4 " 5 / 8 1 - R i c h 9 / 3 2 " 1 8 0 ON H / S 4 0 3 " E n g . F e d . & A i t . / V T 1 3 / 3 2 " I n n e r 9 / 3 2 " 3 T u r n s 3 / 3 2 " 1 / 3 2 " 9 / 6 4 " 3 / 1 6 " 1 / 2 2 - R i c h 9 / 3 2 " 9 0 0 P L / S

Callf, A / T 1 3 / 3 2 " i n n e r 9 / 3 2 " 3 T u r n s 3 / 3 2 " 1 / 3 2 " 9 / 6 4 " 1 / 4 " 1 / 2 1 2 - R i c h 9 / 3 2 " l O O O P L / S

P u m p F a s t A i r V a c u u m V a c u u m A i r V a l v e A u t o F a s t

F l o a t R o d F ^ m p i d l e C h o k e V a l v e B r e a k B r e a k S p r i n g C h o k e I d l e

Y e a r M a k e L jeve l L o c a t i o n R o d ( B e n c h ) R o d R o d ( F r o n t ) ( R e a r ) T u r n s S e t t i n g U n l o a d e r * R P M

1 9 7 8 P o n t i a c 3 0 1 " E n g .

3 5 0 " E n g .

A / T 1 5 / 3 2 " O u t e r 3 / 8 " 3 T u r n s 5 / 6 4 " 1 / 3 2 " 1 / 8 " 1 1 / 6 4 " 5 / 8 2 - R i c h 1 3 / 6 4 " 2 3 0 0 P

1 7 0 5 8 2 4 1 F e d . A / T 5 / 1 6 " O u t e r 3 / 8 " 3 T u r n s 5 / 6 4 " 1 / 6 4 " 7 / 6 4 " 3 / 3 2 " 3 / 4 1 - R i c h 7 / 3 2 " 1 5 5 0 P

1 7 0 5 8 2 0 2 , 2 0 4

F e d . A / T 1 5 / 3 2 " I n n e r 9 / 3 2 " 3 T u r n s 9 / 3 2 " 1 / 6 4 " 5 / 3 2 " 7 / 8 2 - L e a n 1 7 / 6 4 " 1 6 0 0 P

1 7 0 5 8 2 0 3 F e d . M / T 1 5 / 3 2 " I n n e r 9 / 3 2 " 3 T u r n s 9 / 3 2 " 1 / 6 4 " 5 / 3 2 " 7 / 8 3 - L e a n 1 7 / 6 4 " 1 3 0 0

1 7 0 5 8 5 0 2 , 5 0 4

C a l i f . A H - 1 5 / 3 2 " i n n e r 9 / 3 2 " 3 T u r n s 9 / 3 2 " 1 / 6 4 " 1 1 / 6 4 " 7 / 8 2 - L e a n 1 7 / 6 4 " 1 6 0 0 P

1 7 0 5 8 5 8 2 , 5 8 4

A l t . A / T 1 5 / 3 2 " I n n e r 9 / 3 2 " 3 T u r n s 9 / 3 2 " 1 / 6 4 " 3 / 1 6 " 7 / 8 2 - L e a n 1 7 / 6 4 " 1 6 0 0 P

1 7 0 5 8 2 8 2 , 2 8 4

C a n a d a A / T 1 5 / 3 2 " i n n e r 9 / 3 2 " 3 T u r n s 9 / 3 2 " 1 / 6 4 " 9 / 6 4 " 7 / 8 I n d e x 1 7 / 6 4 " 1 6 0 0 P

1 7 0 5 8 2 5 8 , 5 5 3

A l t . / C a l l f . / V / T 1 3 / 3 2 " I n n e r 9 / 3 2 " 3 T u r n s 3 / 3 2 " 1 / 3 2 " 1 / 8 " 1 3 / 6 4 " 1 / 2 2 - R i c h 3 / 1 6 " 1 0 0 0 L / S

4 0 0 " E n g .

1 7 0 5 8 2 6 4 . 2 7 8

F e d . A / T 1 7 / 3 2 " O u t e r 3 / 8 " 3 T u r n s 1 / 8 " 1 / 3 2 " 9 / 6 4 " 1 / 4 " 1 / 2 1 - R i c h 3 / 1 6 " 1 8 0 0 P

1 7 0 5 8 2 7 4 , 2 7 6 ,

2 6 6 F e d . A / T 1 7 / 3 2 " O u t e r 3 / 8 " 3 T u r n s 1 / 8 " 1 / 3 2 " 9 / 6 4 " 1 / 4 " 1 / 2 I n d e x 3 / 1 6 " 1 8 0 0 P

1 7 0 5 8 2 6 3 F e d . M / T 1 7 / 3 2 " O u t e r 3 / 8 " 3 T u r n s 1 / 8 " 1 / 3 2 " 5 / 3 2 " 1 / 4 " 5 / 8 I n d e x 3 / 1 6 " 1 8 0 0 N

4 0 3 " E n g .

1 7 0 5 8 2 5 8 , 5 5 3

A l t . / C a l l f . A / T 1 3 / 3 2 " I n n e r 9 / 3 2 " 3 T u r n s 3 / 3 2 " 1 / 3 2 " 1 / 8 " 1 3 / 6 4 " 1 / 2 2 - R i c h 3 / 1 6 " 1 0 0 0 L / S

1*T*-a« DATA TABLE PUMP AIR VACUUM VACUUM AIR VALVE AUTO

YEAH MAKE FLOAT ROD PUMP CHOKE VALVE BREAK BREAK SPRING CHOKE UNLOAOER LEVEL LOCATION ROD ROD ROD (FRONT) (REAAI r ruRNs i SETTING

BUtCK CAUF. 305 - EWG. V» A / T 1 5 / 3 2 " MNER 1 / 4 - 38" .015 28" 7 / 8 2-LEAN 3 8 -ALT 305 - ENG. V8 A / T 1 5 / 3 2 - OUTEB 1 1 / 3 2 " 3 8 - .015 3 3 - 7 / 8 1-LEAN 4 6 -CALtF 350-LENG. V8 A / T 1 5 / 3 2 - INNER 1 / 4 - 3 8 - .015 2 8 - 7 /a 2-LEAN 38* ALT. 350-L ENG. VB A / T 1 5 / 3 2 " OUTER 1 1 / 3 2 - 38* -015 3 3 - 7 / 8 I -LEAN 4 8 -3S0H ENG. V8 AyT 5 / 1 8 - OUTEB 3 / 8 " I B - .015 21 .5 - 20.S- 3 / 4 1-RICH 3 8 -FED 350-R ENG. VB A / T 1 3 / 3 2 - INNER 9 / 3 2 - I B * 030 2 3 - 30 .5 - 1 /2 2-RICH 3 5 -CAUF. 35011 ENG. V8 A / T 1 3 / 3 2 " INNER 9 / 3 2 - 19* .030 2 4 - 3 6 5 - 1 /2 2-RICH 3 5 -ALT 3S0-H ENG. VB Ayj 1 3 / 3 2 - INNQt 9 / 3 2 " ^9' .030 2 4 - 3 2 - 1 /2 2 -mcM 3 5 -F€0 403 - ENG. VB A / T 1 3 / 3 2 - INNER 9 / 3 2 - 18* .030 2 3 - 3 0 J - 1 /2 2-niCH 3 5 -CAUF. 4 0 3 - ENG. V t A / T 1 3 / 3 2 - INNER - 9 / 3 2 " 19" .030 2 4 - 36 .5 - t / 2 2-RICH 3 5 -ALT. 4 0 3 - ENG. VB ATT 1 3 / 3 2 - INNER 9 / 3 2 - i g ­ .030 2 4 - 32» 1 /2 2-RICH 3 5 -BUICK 307- . 3 5 0 - ENG. 49S ft CAN. A /T 1 3 / 3 2 - INNER 9 / 3 2 - n ­ -025 2 6 - 3 4 - 1 /2 N / A 3 5 -

1962 BUCK 307 - ENG A>T 13 /32 - »MBt 9 /32 - i s * .025- 22" 34* 1/2 35*

19S3-84 BUCK 307" m s . CANADA 1 3 / 3 2 - MNB1 9 /32 - 19.5- .025- 23* 34* 1/2 N/A 36* • BUCK 3 0 7 - E N a CANADA 13 /32 - M N O 9 / 3 2 - i s ­ .025- 2 1 * 3 4 - 1/2 N/A 2 r

1979 CADILLAC 4 2 5 - ENG FED A /T 1 3 / 3 2 - INNER 9 / 3 2 - l e " .030 2 5 - 3 7 - 1 /2 2-RICH 2 5 ' CAUF/ALT A/1 1 3 / 3 2 - INNER 9 / 3 2 - 16" 030 2 8 - • 2 8 ' 1 /2 2-RICH 2 5 -

1980 CADILLAC 368 - ENG 49S CARB NO 17080230 i s m - MHCR ^ 3 / 3 2 - i s ­ 0Z5 - 2 4 - 1 /2 N / A 3 5 - -CAflfl. NO. 17080231 1 3 / 3 2 - INNER " l e - 0 2 S " 28* 2 8 - 1 /2 N / A 3 5 -

1979 CHECKER MTHS. 350" ENG. A / T 15/32- INNER 1 / 4 - 3 8 - ,015 2 8 - 7 / 8 2-LEAN 3 8 -1979 CHEVROLET 3 0 5 ' ENG. FED. A/T 1 5 / 3 2 - INNER 1 / 4 - 3 8 - 015 2 7 - 7 / 8 1-LEAN 3 8 ' ~

FED- M /T 1 5 / 3 2 - INNER l - ' '4 - 3 8 - .015 2 7 - 7 / 8 2-LEAN 38-CAUf ATT 1 5 / 3 2 - MNER 1 / 4 - 3 8 - 015 2 8 - 7 / 8 2-LEAN 38* ALT. A/T 1 5 / 3 2 - OUTCT 1 1 / 3 2 - 3 8 - .015 3 3 - 7 / 8 1-LEAN 4 6 -FED CARB. NO. 17059218.222 A / T l S / 3 2 - INNER 1 / 4 - 3 8 - -015 2 8 - 7 / 8 2-LEAN 3 8 -350 - ENG. VB FED. CARB. NO. 17059210.228 A/T 1 5 / 3 2 - MNEfl 9 / 3 2 - 3 8 - ,015 2 7 - 1 1-LEAN SB-FED. CARB. NO 17059216.217 A / T 1 5 / 3 2 - INNER 1 / 4 - 3 8 - 015 2 7 - 7 / 8 1-LEAN SB' FED CARe. NO. 17059203 M/T 1 5 / 3 2 - MNER 1 / 4 - 3 8 - -015 2 7 - 7 / 8 2-LEAN 3 8 -FED CARe NO-17059211 M /T 1 5 / 3 2 - INNER 9 / 3 2 - 3 8 - .015 2 7 - 1 2-LEAN 3 8 -CAUF. A /T 1 5 / 3 2 - INNER 1 / 4 - 3 8 - .015 2 8 - 7 / 8 2-LEAN 3 8 -ALT A /T 1 5 / 3 2 - OUTER 1 1 / 3 2 - 38* .015 3 3 - 7 / 8 1-LEAN 4 6 -

1979 CHEV. & GMC TRUCK 3 0 5 - ENG. VB FED. AyT 1 5 / 3 2 - INNER 1 / 4 - 3 8 - 015 2 7 - 7 / B 1-LEAN 3 8 -FED. M / T 1 5 / 3 2 " INNER 1 / 4 - SB- .015 2 7 - 7 / 8 2LEAN 3 8 ' CALIF A / T 1 5 / 3 2 - INNER 1 / 4 - SB" .015 2 8 - 7 / 8 2-LEAN 3 8 ' 3 5 0 - ENG. VB FED. A/T 1 5 / 3 2 - INNER 9 / 3 2 - 4 6 - .015 2 3 - 7 / 8 1 -LEAN 42* FED M /T 1 5 / 3 2 - INNER 9 / 3 2 - 46" .015 2 3 - 7 / 8 INDEX 4 2 -CAUF. ALL/T 1 5 / 3 2 - INNER 9 / 3 2 - 4 6 - .015 2 6 - 7 / 8 1-LEAN 42* ALT. A / T 1 5 / 3 2 - OUTER 1 1 / 3 2 - 46" .015 30" 7 / 8 2-LEAN 42* ALT CARB. NO. 17059582.584 A / T 1 5 / 3 2 - OUTER 1 1 / 3 2 - 3 8 - 015 33" 7 / 8 1 -LEAN 4 6 -4 0 0 - ENG. V8 A /T 1 5 / 3 2 - INNER 9 / 3 2 - 46" .015 2 3 - 7 / 8 1-LEAN 42* 454 - ENG, VB 3 / 8 - INNER 9 / 3 2 - 46" .015 2 8 - 7 / 8 3-LEAN 42"

1380 CHEVROLET 3 0 5 - ENG. CARB, NO 170802B2. 284 7 / 1 6 - OUTER 1 1 / 3 2 " 2 0 - .025- 2 5 - 7 / 8 N / A 38"

1380 CHEVROLET & CMC TRUCK 305-ENG. 49S A /T 1 5 / 3 2 - INNER 9 / 3 2 - 46" 925 26" 7 / 8 N / A 4 2 -350 - ENG. 43S CARB. NO- 17080291 M /T 1 5 / 3 2 - INNER 9 / 3 2 - 46" 035 26" 7 / B N / A 4 2 * 350 - ENG. 49S CARB, NO 17080205 M /T 1 5 / 3 2 - INNER 3 / 3 2 - 4 6 - 025 2 3 - 7 / 8 N / A 4 2 -350- . 400 - ENG. (INCL. CAUF.) A / T 1 5 / 3 2 - INNER 9 / 3 2 - 46" 025 2 3 - 7 / 8 N /A 4 2 -

13B3 CHEVROLET & GMC TRUCK 360" ENG. CARB NOS 1 7080201, 20S, 206 15 /32 - M4ER 9 /32 - 46" .026" 23* 7/8 N/A 42* CARB NOS 17080290.231.232 15 /32" MNER 9/32" 46* ,025- 28* 7/8 N/A 42*

T379 OLDSMOBILE 305" ENG. FED. A/T 1 5 / 3 2 - INNER 1 / 4 - 3 8 " 015 27" 7 / 8 1-LEAN 3 8 -FED. CARB. NO. 17059218^22 A /T 1 5 / 3 2 - INNER 1 / 4 - 3 8 - .015 2 8 - 7 / B 2LEAN 3 8 -FED M/T 1 5 / 3 2 - INNER 1 / 4 - 3 8 - 015 27" 7 / 8 2-LEAN 38" CALIF. A /T 1 5 / 3 2 - INNER 1 / 4 - 3 8 - 015 28" 7 / 8 2-LEAN 3 8 -ALT, A /T 1 5 / 3 2 - OUTER 1 1 / 3 2 - 38" 015 33" 7 / 8 I-LEAN 4 6 -350-L ENG. CAUF. A / T 1 5 / 3 2 - INNER 1 / 4 - 3 8 ' 015 28" 7 / 8 2LEAN 38" ALT A/T 1 5 / 3 2 - OUTER 1 1 / 3 2 - 3 8 - .015 3 3 - 7 / 8 1-LEAN 46" 350-R ENG. FED. A n 1 3 / 3 2 " INNER 9 / 3 2 - 18" 030 23" 3 0 5 " 1 / 2 2-RlCH 3 5 -CAUF. A /T 1 3 / 3 2 - INNER 9 / 3 2 " 19 - 030 24- 36 5 * 1 / 2 2 RICH 3 5 ' ALT. A / T 1 3 / 3 2 " INNER 3 / 3 2 - 19 - 030 24" 3 2 - 1 /2 2 RICH 3 5 ' 403 - ENG. FED. A / T 1 3 / 3 2 - INNER 9 / 3 2 - 1 8 - 030 23" 30,5" 1 / 2 2-RICH 3 5 -CAUF, A /T 1 3 / 3 2 - INNER 9 / 3 2 - 19" 030 24" 36 5 - 1 /2 2-RICH 3 5 -ALT. A /T 1 3 / 3 2 - INNER 9 / 3 2 - i g ­ 030 24" 3 2 " 1 /2 2-RICH 35"

19BO-8 OLDSMOBILE 307". 350- ENG. A /T 1 3 / 3 2 - INNER 9 / 3 2 - n ­ 025 26" 34" 1 /2 N /A 35 -1982 0LDSMOBH.T 307 - ENG, AfT 13/32" INNER 9/32" i s * .025- 2 2 ' 34* 1/2 __ 35*

' 1S83-84 OU)SMOBILE307-ENaCANAOA 1 3 / 3 2 - MNBI 9 /32 - 19.5" -025- 23* 34* 1/2 N/A 35* 1 0 U - M OLDSMOBLE 3 0 7 - ENG CANADA 13 /32" MNBI 9/32" 15* 0 2 5 - 2 1 * 3 4 - 1/2 N/A 27*

1379 PONTIAC 3 0 5 - ENG. CAUF. A /T 1 5 / 3 2 - INNER 1 / 4 - 38" 015 2 8 - 7 / 8 2 LEAN 38 -ALT A /T 1 5 / 3 2 - OUTER n / 3 2 - 33" 015 3 3 ' 7 / 8 I-LEAN 4 5 -3S0-L ENG. CAUF. A /T J S / 3 2 - INNER 1 / 4 - 3B" .015 2 8 ' 7 / 8 2 LEAN 38" ALT. A / T 1 5 / 3 2 - OUTER 1 1 / 3 2 - 38" 015 3 3 - 7 / B I L E A N 46" 350-R ENG. CAUF. A / T 1 5 / 3 2 " INNER 9 / 3 2 - 19" 030 2 4 - 3 6 5 - 1 / 2 2-RICH 35" ALT. AJT 1 3 / 3 2 - INNER 9 / 3 2 " 18 - 030 23" 3 0 5 - 1 / 2 2 RICH 3 5 -350-X ENG. FED. AJT 5 / 1 6 - OUTER 3 / 8 - 1 8 - 015 21 5 - 2 0 5 " 3 / 4 1 -RICH 3fl" 4 0 0 - ENG. FED. M /T 1 7 / 3 2 - OUTER 3 / 8 " 23" 030 28" 38" 5 / 8 INDEX 35" 403 - ENG- FED. A n 1 3 / 3 2 - INNER 9 /32" I B " -030 23" 3 0 5 - 1 /2 2-RICH 35" CAUF. A n 1 3 / 3 2 - INNER 3 / 3 2 - 19" 030 2 4 - 36 .5 - 1 / 2 2 RICH 35" ALT. A n 1 3 / 3 2 - INNER 9 / 3 2 - 13 - 030 2 4 - 3 2 - 1 / 2 2-RICH 35"

1 0 M PONTIAC 3 0 r ' ENO. CANADA 13 /3 r ' INNER 9 /32" 18" .02»" 2 1 - 3 4 ' 1/2 N/A 27" P =PARK 2/8 =SeCOND STEP M/T = MANUAL THANSMISSION FED. = FEDERAL 148 STATES) 3R0"L = CHEVROLET 8UILT ENQINE REV. 1 2 / M N = M U T R A l H/S = MMM STEP • = SLOVK IDLE R.P.M REFER TO CAUF. = CAUFORWA 380-R = OtDSMOSILE BUILT ENQWE U S ^ L O V n t r A / r = AUTOMATIC TRANSMISSION ENOINE COMPARTMENT OECAl ALT. ^ALTTTUDE 3S0"X = BUKK BUILT ENQINE