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All Manufacturers

ENGINE IGNITION TIMING* DISTRIBUTOR SPARK PLUGS CARBURETOR No.
Man. Trans. Auto. Trans. Cam Angle Point Gap Type Gap Make & Type
CHRYSLER CORP.                 
225" 6 Cyl. Light Duty                
  Federal 12°B 12°B (1) (1) CH RBL-16Y .035" holley 1945 1
  Calif. 8°B 8°B (1) (1) CH RBL-16Y .035" Carter BBD 2
318" V8 Light Duty                
  Federal 12°B 12°B (1) (1) CH RN-11Y .035" Carter BBD 3
  Calif. 6°B (2)6°B (1) (1) CH RN-11Y .035" Carter TQ 4
360"-1 2-Bbl. V8 Light Duty                
  Federal 10°B 10°B (1) (1) CH RN-12Y .035" Holley 2245 5
360"-3 2-Bbl. V8 Heavy Duty                
  Federal ..... TDC (1) (1) CH RF-10 .035" Holley 2245 6
  Calif. ..... TDC (1) (1) CH RF-10 .035" Holley 2245 7
360"-1 4-Bbl. V8 Light Duty                
  Federal 4°B 4°B (1) (1) CH RN-12Y .035" Carter TQ 8
  Calif. (4)10°B 10°B (1) (1) CH RN-12Y .035" Carter TQ 9
360"-3 4-Bbl. V8 Heavy Duty                
  Federal ..... 4°B (1) (1) CH RF-10 .035" Carter TQ 10
  Calif. ..... 4°B (1) (1) CH RF-10 .035" Carter TQ 11
440"-1 & 440"-3 V8 Heavy Duty                
  Federal ..... 8°B (1) (1) CH(5)OBL-9Y .035" Carter TQ 12
  Calif. ..... 8°B (1) (1) CH(5)OBL-9Y .035" Carter TQ 13
FORD MOTOR CO.                 
300" 6 Cyl. Light Duty                
  All Models 6°B 10°B (1) (1) AL BSF-42 .044" Carter YFA-1 14
300" 6 Cyl. Heavy Duty                
  All Models 12°B 12°B (1) (1) AL BSF-42 .044" Carter YFA-1 15
302" V8 Light Duty                
  Federal (3)6°B (4)6°B (1) (1) AL ASF-42 .044" MC 2150 16
  Calif. ..... (5)6°B (1) (1) AL ASF-42 .044" MC 2150 17
351" M V8 Light Duty                
  Federal 10°B 6°B (1) (1) AL ASF-42 .044" MC 2150 18
  Calif. (8)10°B (9)6°B (1) (1) AL ASF-42 .044" MC 2150 19
351" M V8 Heavy Duty                
  All Models 6°B 12°B (1) (1) AL ASF-42 .044" MC 2150 20
351" W V8 Light Duty                
  Federal 4°B (1)10°B (1) (1) AL ASF-42 .044" MC 2150 21
  Calif. ..... 8°B (1) (1) AL ASF-42 .044" MC 2150 22
351" W V8 Heavy Duty                
  All Models ..... 6°B (1) (1) AL ASF-42 .044" MC 2150 23
400" V8 Light Duty                
  Federal 10°B 6°B (1) (1) AL ASF-42 .044" MC 2150 24
  Calif. ..... 6°B (1) (1) AL ASF-42 .044" MC 2150 25
400" 8V Heavy Duty                
  All Models 3°B 3°B (1) (1) AL ASF-42 .044" MC 2150 26
460" V8 Light Duty                
  All Models ..... 14°B (1) (1) AL ASF-42 .044" MC 4180C 27
460" V8 Heavy Duty                
  All Models ..... 8°B (1) (1) AL ASF-42 .044" MC 4180C 28
IGNITION TIMING: B  - BTDC.
SPARK PLUGS: AL  - Autolite, CH  - Champion.
CARBURETORS: ROCH  - Rochester, MC  - Motorcraft, TQ  - Thermo-Quad.
No. HOT IDLE** FAST IDLE Remarks
Man. Trans. Auto. Trans. Man. Trans. Auto Trans.
RPM Cam Step RPM
            (1) - Electronic Ignition.
1 675 675 1600 2nd 1600 (2) - See Emission Control Tune-Up Decal, as some Calif. Auto. Trans. are 8°B.
2 800 800 1400 2nd 1600  
            (3) - See Emission Control Tune-Up Decal, as some Fed. Auto. Trans. have 750 RPM Hot Idle, 1750 Fast Idle.
3 680 680 1400 2nd 1500  
4 750 750 1600 2nd 1600  
            (4) - See Emission Control Tune-Up Decal, as some Calif. Man. Trans. models are 6°B with 750 RPM Hot Idle, others 4°B with 700 RPM Hot Idle.
5 750 750 1600 2nd 1600  
6 ..... 700 ..... 2nd 1400  
7 ..... 700 ..... 2nd 1400 (5) - CH OJ-11Y or RJ-11Y, 440"-1 engine.
8 700 (3)700 1600 2nd (3)1600  
9 (4)750 750 1600 2nd 1600  
10 ..... 700 ..... 2nd 1600  
11 ..... 700 ..... 2nd 1600  
12 ..... 700 ..... 2nd 1400  
13 ..... 700 ..... 2nd 1400  
            * - See Emission Control Tune-Up Decal for Correct Ignition Timing RPM.
14 700/500 550/500 1600 2nd 1600  
            ** - Lower RPM is TSP "OFF".
15 700/500 550/500 1600 (2)2nd 1600 (1) - Electronic Ignition.
            (2) - 2550 RPM, High Step, Cal. No. 9-77M-R0.
16 700 600/550 2000 High 2000 (3) - 4°B, Cal. No. 9-53H-R0.
17 ..... (6)650/550 ..... High (7)2400 (4) - 8°B, Cal. No. 9-54H-R0.
            (5) - 8°B, Cal. No. 9-54S-R0.
18 650 550 2000 High 2000 (6) - 600 RPM, Cal. No. 9-54T-R0.
19 650 550 2000 High (10)2000 (7) - 2000 RPM, Cal. No. 9-54T-R0.
            (8) - 8°B, Cal. No. 9-59S-R0.
20 600 600/500 1750 High 2000 (9) - 10°B, Cal. No. 9-60S-R0.
            (10) - 2100 RPM, Cal. No. 9-60S-R0.
21 800/500 600/500 1500 (12)2nd 2200 (11) - 12°B, Cal. No. 9-64H-R0.
22 ..... 600/500 ..... High 2200 (12) - High Step, Auto. Trans.
            (13) - A/C "OFF".
23 ..... (13)650/525 ..... 2nd 1700 (14) - A/C Clutch Energized
            (15) - A/C Clutch De-Energized.
24 650 550 2000 High 1900  
25 ..... 550 ..... High 1900  
26 600 600/500 1750 High 2000  
27 ..... (14)650 ..... 2nd 1600  
28 ..... 650/800 (15) ..... 2nd 1600  
ENGINE IGNITION TIMING DISTRIBUTOR SPARK PLUGS CARBURETOR No.
Man. Trans. Auto. Trans. Cam Angle Point Gap Type Gap Make & Type
GENERAL MOTORS                 
250" 6 Cyl. Light Duty                
  Federal 10°B 10°B (1) (1) AC R46TS .035" Roch. 2SE 29
  Calif.                
  C20, G20 & G30 6°B 8°B (1) (1) AC R46TS .035" Roch. 2SE 30
  All Others 10°B 10°B (1) (1) AC R46TS .035" Roch. 2SE 31
292" 6 Cyl. Heavy Duty                
  Federal 8°B 8°B (1) (1) AC R44T .035" Roch. 1ME 32
  Calif. 8°B 8°B (1) (1) AC R44T .035" Roch. 1ME 33
305" V8 Light Duty                
  Federal 6°B 6°B (1) (1) AC R45TS .045" Roch. M2MC 34
350" V8 Light Duty 8°B 8°B (1) (1) AC R45TS .045" Roch. M4MC 35
350" V8 Heavy Duty 4°B 4°B (1) (1) AC R44T .045" Roch. M4MC 36
400" V8 Light Duty ..... 4°B (1) (1) AC R45TS .045" Roch. M4MC 37
400" V8 Heavy Duty ..... 4°B (1) (1) AC R44T .045" Roch. M4MC 38
454" V8 Light Duty 8°B 8°B (1) (1) AC R45TS .045" Roch. M4MC 39
454" V8 Heavy Duty 4°B 4°B (1) (1) AC R44T .045" Roch. M4MC 40
INTERNATIONAL                 
196" 4 Cyl. Light Duty TDC ..... (1) (1) CH RJ-10Y .035" Holley 1940C 41
304" V8 Light Duty TDC TDC (1) (1) CH RJ-10Y .035" Holley 2245C 42
345" V8 Light Duty TDC TDC (1) (1) CH RJ-10Y .035" Carter TQ 43
JEEP                 
258" 6 Cyl. Light Duty                
  CJ Models 6°B 4°B (1) (1) CH RN-13L .035" Carter BBD 44
  Other Models 8°B 8°B (1) (1) CH RN-13L .035" Carter BBD 45
304" V8 Light Duty                
  CJ Models                
  Federal 5°B 8°B (1) (1) CH RN-12Y .035" MC 2100 46
  Calif. 5°B ..... (1) (1) CH RN-12Y .035" MC 2100 47
360" V8 Light Duty                
  Cherokee, Wagoneer & Truck                
  Federal 8°B 8°B (1) (1) CH RN-12Y .035" MC 2150 48
  Calif. ..... 8°B (1) (1) CH RN-12Y .035" MC 2150 49
IGNITION TIMING: B  - BTDC.
SPARK PLUGS: AL  - Autolite; CH  - Champion.
CARBURETORS: ROCH  - Rochester, MC  Motorcraft, TQ  - Thermo-Quad.
No. HOT IDLE* FAST IDLE Remarks
Man. Trans. Auto. Trans. Man. Trans. Auto Trans.
RPM Cam Step RPM
            * - 6 Cyl. Models, Lower RPM is Base Idle, (Solenoid De-Energized).
            V8 Models, Higher RPM, Solenoid Energized.
29 750/425 600/425 1800 High 2000  
30 750/425 600 2100 High 2100 (1) - Electronic Ignition.
31 750/425 600 2100 High 2100  
32 700 700/425 2400 High 2400  
33 700 700/425 2400 High 2400  
34 600/700 500/600 1300 High 1600  
35 700 500/600 1600 High 1600  
36 700 700 1900 High 1900  
37 ..... 500/600 ..... High 1600  
38 ..... 700 ..... High 1900  
39 700 550/600 1600 High 1600  
40 700 700 1900 High 1900  
            (1) - Electronic Ignition.
41 700 ..... 2200 High .....  
42 700 700 2200 High 2200  
43 700 700 1600 High 1600  
44 700 600 1500 2nd 1600 (1) - Electronic Ignition.
45 600 600 1500 2nd 1600 (2) - 750-950 RPM, J-20 Models.
46 700 600 1500 2nd 1600  
47 750 ..... 1500 2nd .....  
48 (2)800 600 1500 2nd 1600  
49 ..... 600 ..... 2nd 1600  
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