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Tune-Up Specifications

ENGINE IGNITION TIMING DISTRIBUTOR SPARK PLUGS CARBURETOR No.
Man. Trans. Auto. Trans. Cam Angle Point Gap Type Gap Make & Type
AMERICAN MOTORS                 
232" 6 Cyl. 1-Bbl. 5°B 5°B 31-34° .016" CH. N-12Y. .035" Car. YF 1
258" 6 Cyl. 1-Bbl. 3°B 3°B 31-34° .016" CH. N-12Y .035" Car. YF 2
304", 360" V8 2-Bbl. 5°B 5°B 29-31° .016" CH. N-12Y .035" Ford 2100D 3
360", 401" V8 4-Bbl. 5°B 5°B 29-31° .016" CH. N-12Y .035" Ford 4300 4
BUICK                 
350" V8 2-Bbl. 4°B 4°B 30±2° .016" AC R45TS .040" Roch. 2GV 5
350" V8 4-Bbl. 4°B 4°B 30±2° .016" AC R45TS .040" Roch. 4MV 6
455" V8(All) 4°B (1) 4°B(1) 30±2° .016" AC R45TS .040" Roch. 4MV 7
CADILLAC                 
472", 500" V8 4-Bbl. ............. 8°B 30±2° (1) AC R46N .035" Roch. 4MV 8
CHEVROLET                 
140" 4 Cyl. 1-Bbl. 6°B (1) 6°B 31-34° .019" AC R42TS .035" Roch. MV 9
140" 4 Cyl. 2-Bbl. 8°B 8°B 31-34° .019" AC R42TS .035" Roch. 2GV 10
250" 6 Cyl. 1-Bbl. 4°B 4°B 31-34° .019" AC R46TS .035" Roch. MV 11
307" V8 2-Bbl. 4°B 8°B 29-31° .019" AC R44T .035" Roch. 2GV 12
350" V8 165 HP 6°B 6°B 29-31° .019" AC R44T .035" Roch. 2GV 13
350" V8 175 HP 4°B 8°B 29-31° .019" AC R44T .035" Roch. 4MV 14
350" V8 200 HP 4°B 8°B 29-31° .019" AC R44T .035" Roch. 4MV 15
350" V8 255 HP 8°B (1) 12°B 29-31° .019" AC R44T .035" Hol. 4150 16
400" V8(All) .......... 6°B 29-31° .019" AC R44T .035" Roch. 2GV 17
402" & 454" V8 (All) 8°B 8°B 29-31° .019" AC R44T .035" Roch. 4MV 18
CHRYSLER CORP.                 
198" 6 Cyl. 2 1/2°B (1) 2 1/2°B (1) 41-46° .017-.023" CH. N-14Y .035" Hol. 1920 19
225" 6 Cyl. TDC (4) TDC (4) 41-46° .017-.023" CH. N-14Y .035" Hol. 1920 20
318" 2-Bbl. TDC (1) TDC (1) 30-34° .016-.021" CH. N-13Y .035" Car. BBD 21
340" V8 4-Bbl.(Calif.) 2 1/2°B(5) 2 1/2°B (1) Electron. Electron. CH. N-9Y .035" Car. T.Q. 22
(Non-Calif.) TDC (5) TDC (1) Electron. Electron. CH. N-9Y .035" Car. T.Q. 23
360" V8 2-Bbl. TDC (1) TDC (1) 30-34° .014-.019" CH. N-13Y .035" Hol. 2210 74
400" V8 2-Bbl. (6) (7) (11) (6) (7) (11) 28 1/2-32 1/2° .016-.021" CH. J-13Y .035" Hol. 2210 25
400" V8 4-Bbl.(Calif.) 2 1/2°B (5) 5°B (1) 28 1/2-32 1/2 .016-.021" CH. J-11Y .035" Car. T.Q. 26
(Non-Calif.) TDC (5) 10°B (1) 28 1/2-32 1/2° .016-.021" CH. J-11Y .035" Car. T.Q. 27
(Calif. Fleet Cars) 5°B (1) 5°B (1) 28 1/2-32 1/2° .016-.021" CH. J-11Y .035" Car. T.Q. 28
(Non-Calif. Fleet Cars) ................ 10°B 30-34° .014-.019" CH. J-11Y .035" Car. T.Q. 29
440" V8 4-Bbl. 2 1/2°B (1) 5°B(8) 28 1/2-32 1/2° (9) 016-.021" (9) CH. J-11Y .035" Hol. 4160 30
440" V8 3x2-Bbl. 2 1/2°B (1) 2 1/2°B (1) Electron. Electron. CH. J-11Y .035" Hol. 2300 31
FORD MOTOR CO.                 
1600 cc 4 Cyl. 1-Bbl 12°B 12°B 36-40° .025" AL AGR22 .030" Ford 1-Bbl. 32
2000 cc 4 Cyl. 2-Bbl. 9°B (1) 9°B (1) 36-40° .025" AL BRF42 .034" Hol. 5200 33
170" 6 Cyl. 6°B 6°B 35-39° .027" AL BRF82 .034" Car. YF 34
200" 6 Cyl. 6°B 6°B 35-39° .027" AL BRF82 .034" Car. YF 35
240" 6 Cyl. 6°B 6°B 35-39° .027" AL BRF42(2) .034" Car. YF 36
250" 6 Cyl. 6°B 6°B 35-39° .027" AL BRF82 .034" Car. RBS 37
302" V8 2-Bbl. 6°B 6°B 26-30° .017" AL BRF42 .034" Ford 2-Bbl. 38
351°C V8 2-Bbl. 6°B 6°B 26-30° .020" AL ARF42 .034" Ford 2-Bbl. 39
351" W V8 2-Bbl. 6°B 6°B 26-30° .020" AL BRF42 .034" Ford 2-Bbl. 40
351" V8 4-Bbl. 16°B 16°B 26-30° .017" AL ARF42 .034" Ford 4-Bbl. 41
351" V8 4-Bbl. H.O.       .020" AL ARF42 .034" Ford 4-Bbl. 42
400" V8 2-Bbl. ................ 8°B(5) 26-30° .017" AL ARF42 .034" Ford 2-Bbl. 43
429" V8 2-Bbl. ................ 10°B 26-30° .017" AL BRF42 .034" Ford 2-Bbl. 44
429" V8 4-Bbl. ................ 10°B 26-30° .017" AL BRF42 .034" Ford 4-Bbl. 45
429" V8 (Police) ................ 10°B 26-30° .020" AL ARF42 .034" Ford 4-Bbl. 46
460" V8 4-Bbl. ................ 10°B(11) 26-31° .017" AL BRF42 .034" Ford 4-Bbl. 47
IGNITION TIMING: B  - BTDC. A  - ATDC.
SPARK PLUGS: AL  - Autolite. CH.  - CHAMPION.
CARBURETORS: Car.  - CARTER. Hol.  - HOLLEY. Roch.  - ROCHESTER.
No. HOT IDLE (1) FAST IDLE IDLE CO % Air Fuel Ratio Remarks
Man. Trans. Auto. Trans. Man. Trans. Auto. Trans.
RPM Cap Step RPM Man. Auto
1 600 (2) 550 (3) 1600 2nd 1600     14.0 (1) At 500 RPM.
2 600 (2) 550(3) 1600 2nd 1600     14.0 (2) 700 RPM on Calif. cars or 360" V8.
3 750 (2) 650 (2) 1600 2nd 1600     14.0(4) (3) 600 RPM on Calif. cars.
4 700(2) 650(2) 1600 2nd 1600     14.0(4) (4) 13.5-1 with Air Guard.
5 800-600 650/500 820 Low 700       (1) 8° BTDC on Stg. I Man. Trans.
6 800/600 650/500 820 Low 700       10°BTDC on Stg. I Auto. Trans.
7 900/600 650/500 920 Low 700        
8 .............. 600/400 .............. High 1900-1950       (1) Point gap correct when dwell set to 30°.
9 850/550(2) 700/550 2400 (3) High 2800 (3) ...... ...... ...... (1) 4°BTDC on Calif. cars & Corvette 350" 255 HP.
(2) 1200/550 RPM on Calif. Cars.
(3) CEC or TCS disconnected.
(4) 1200/800 RPM with air cond.
10 1200/700(4) 700/550 2400 (3) High 2800 (3) ...... ...... ......
11 700/450 600/450 2400 (3) High 2400 (3) ...... ...... ......
12 900/450 600/450            
13 900/450 600/450            
14 900/450 600/450 1350 2nd 1500 ...... ........ ......
15 900/450 600/450 1350 2nd 1500 ........ ........ ........
16 900/500 700/500 ............... High 2300 ........ ........ ......
17 ............ 600/450            
18 750/450 600/450 1350 2nd 1500 ........ ........ ........
19 800 (2) 800 (2) 2000 2nd 1900(3)       (1) ± 2 1/2°.
(2) 700 RPM on Calif. cars.
(3) 2000 RPM on Calif. cars.
(4) 2 1/2° BTDC on late Calif. cars equipped with.104" diameter intake manifold floor jet.
(5) May be set additional ±2 1/2°.
(6) Dist. #3656329 or 3656335 set 5° BTDC.
(7) Dist. #3656593 or 3656596 set 7.5° BTDC.
(8) Dist. #3656344 or 3656341 set 10±2 1/2° BTDC.
(9) Non-Calif. fleet set points.014-.019" and set cam angle 30-34°.
(10) 800 RPM on Calif. cars.
(11) On all exc. NOx control, set to maximum advance shown on engine compartment emission information label.
20 750 (2) 750 (2) 2000 2nd 1900 (3)      
21 750 750 (2) 1900 (3) 2nd 1900 (3)      
22 850 750 2000 2nd 2000      
23 900 750 1900 2nd 1900      
24 750 750 1900 (3) 2nd 1900 (3)      
25 750 750(2) 1900 (3) 2nd 1900 (3)      
26 800 700 2000 2nd 2000      
27 900 750 1900 2nd 1900      
28 800 700 2000 2nd 2000      
29 900 750 1900 2nd 1900      
30 900 (10) 750 (2) 1900 (3) 2nd 1900 (3)      
31 900 (10) 750 (2) 1900 (3) 2nd 1900 (3)      
32 900/500 ................ 1700 1st ................ 1.2 ........ ........ (1) 6° BTDC on Calif. cars.
(2) 240" Police & Taxi use AL. BRF6 gap is.030".
(3) Without solenoid, set to 750 RPM on Man. Trans., and 550 RPM on Auto. Trans.
(4) Bench operation.
(5) 6° BTDC on Calif. cars.
(6) 625/500 RPM on Calif. cars.
(7) Without solenoid set to 575 RPM.
(8) 800/500 RPM on Calif. cars.
(9) Information not available.
(10) Kickdown step.
(11) 6° BTDC on Calif. cars and cars with 3.0 axle.
33 750/500 650/500 1600 2nd 1800 1.2 1.2 ........
34 750 .................. 1450 (4) .................. 1.2 ........ ........
35 800/500(3) 600/500(3) 1750 (4) 2000 .8 1.2 ........
36 ............... 500 ............... (4) 1650 ...... .5 ........
37 750 600 1600 (4) 1600 1.0 1.0 ........
38 800/500 (7) 600/500 (7) 1400 (10) 1400 (9) .19  
39 750/500(6) (7) 575/500(6) (7) 1400 (10) 1500 (9) .50  
40 600/500 (7) 600/500(7) ................ (10) 1500 (9) .15  
41 1000/500(8) 700/500(8) 1200 (10) 1200 .50 .50  
42                
43 .................. 625/500 .................. (10) 1500 ........ .10  
44 .................. 600/500 .................. (10) 1350 ........ .30  
45 .................. 600/500 .................. (10) 1350 ........ .30  
46 .................. 650/500 .................. (10) 1900 ........ .30  
47 .................. 625/500 .................. (10) 1200 ........ .50  
(1) When Idle Solenoid used: Higher RPM (Solenoid Connected), Lower RPM (Solenoid Disconnected).
ENGINE IGNITION TIMING DISTRIBUTOR SPARK PLUGS CARBURETOR No.
Man. Trans. Auto. Trans. Cam Angle Point Gap Type Gap Make & Type
JEEP                 
232" 6 Cyl. 5°B (1) 5°B (1) 31-34° .016" CH. N-12Y .034" Car. YF 48 
258" 6 Cyl. 3°B (1) 3°B (1) 31-34° .016" CH. N-12Y .034" Car. YF 49 
304" V8 5°B (1) 5°B (1) 29-31° .016" CH. N-12Y .034" Ford 2100 50 
360" V8 5°B (1) 5°B (1) 29-31° .016" CH. N-12Y .034" Ford 2100 51 
OLDSMOBILE                 
350" V8 2-Bbl. 8°B (1) 8°B (1) 30±2° .016" AC R-46S .040" Roch. 2GC 52 
350" V8 4-Bbl. 8°B (1) 12°B (1) 30±2° .016" AC R-46S(3) .040" Roch, 4MC 53 
455" V8 (W-30) 10°B (1) 10°B (2) 30±2° .016" AC R-45S .040" Roch. 4MC 54 
455" V8 (442) 10°B (1) .......... 30±2° .016" AC R-45S .040" Roch. 4MC 55 
455" V8 (All Others) 8°B (1) 8°B (1) 30±2° .016" AC R-46S .040" Roch. 4MC 56 
PONTIAC                 
250" 6 Cyl. 1-Bbl. 4°B 4°B 32 1/2° .019" AC R-46T .035" Roch. MV 57 
307" V8 2-Bbl. 4°B 8°B 30±2° (1) AC R-44T .035" Roch. 2GV 58 
350" V8 2-Bbl. 8°B 10°B 30±2° (1) AC R-46TS .035" Roch. 2GV (2) 59 
400" V8 2-Bbl. ............ 10°B 30±2° (1) AC R-46TS .035" Roch. 2GV 60 
400" V8 4-Bbl. 8°B 10°B 30±2° (1) AC R-45TS .035" Roch. 4MV 61 
455" V8 2-Bbl. ............ 10°B 30±2° (1) AC R-45TS .035" Roch. 2GV 62 
455" V8 4-Bbl. ............ 10°B 30±2° (1) AC R-45TS .035" Roch. 4MV 63 
455" V8 4-Bbl. H.O. 8°B 10°B 30±2° (1) AC R-45TS .035" Roch. 4MV 64 
IGNITION TIMING: B -  BTDC. A --  ATDC.
SPARK PLUGS: AL  - Autolite. CH.  - CHAMPION.
CARBURETORS: Car.  - CARTER. Hol.  - HOLLEY. Roch.  - ROCHESTER.
No. HOT IDLE (1) FAST IDLE IDLE CO % Air Fuel Ratio Remarks
Man. Trans. Auto. Trans. Man Trans. Auto. Trans.
RPM Cam Step RPM Man. Auto.
48 650-700 600 2200 2nd 2200       (1) Set at 500 RPM.
49 650-700 600 2200 2nd 2200        
50 700-750 650 1600 2nd 1600        
51 700-750 650 1600 2nd 1600        
52 600 600 (4) 1000 Low 1000       (1) At 1100 RPM.
53 550 600 (5) 1100 Low 1100       (2) At 850 RPM.
54 550 550 (4) 1100 Low 1100       (3) 350" Auto. Trans. uses AC R-46S.
55 550 ................ 1100 Low ................       (4) In PARK.
56 550 600 (4) (6) 1100 Low 1100       (5) In DRIVE.
                  (6) 550 RPM on Toronado.
57 700/450 600/450 2400 High 2400       (1) Correct when dwell set to 30°.
58 900/450 600/450 1500 High 1500       (2) Man. Trans. uses Car. WGD.
59 800 625 1500 High 1500        
60 ................ 625 ................ High 1500        
61 1000/600 700/500 1500 High 1500        
62 ................ 625 1500 High 1500        
63 ................ 650/500 1500 High 1500        
64 1000/600 700/500 1500 High 150        
(1) When Idle Solenoid used: Higher RPM (Solenoid Connected), Lower RPM (Solenoid Disconnected).
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