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PONTIAC

 

1965-75Tune-up Specifications

 
Year Engine Car Model Spark Plug Type
(AC)
- Gap
Point Gap Dwell Angle Firing Order Ignition Timing (BTDC or Mark)
1
Hot Idle
Std. Tran Auto Tran
2
1965 6-215
3
46N -.035 .016 31-34 153624 590
4
490D
4
V8-326 45S -.035
5
30 18436572 590
4
490D
4
V8-389,421 45S -.035
5
30 18436572 525
4
500D
4
1966 6-230 44S -.035 .016 31-34 153624 600
4
500D
4
6-230
With A.I.R 6
44S -.035 .016 31-34 153624 5° ATC 700
7
600D
7
V8s 45S -.035
5
30 18436572 600
4
500D
4
V8s
With A.I.R 6, 8
45S -.035
5
30 18436572 4° ATC 700
7
600D
7
Tri-Carb 44S -.035
5
30 18436572 600
4
500D
4
Tri-Carb
6
44S -.035
5
30 18436572 700
7
600D
7
1967 6-230 44N -.035 .016 31-34 153624 600
4
500D
4
6-230
With A.I.R 6
44N -.035 .016 31-34 153624 TDC 700
7
600D
7
8-326, 400
2 bar carb
45S -.035
5
30 18436572 600
4
500D
4
8-326, 400
2 bar carb 6
45S -.035
5
30 18436572 700
9
600D
9
8-326, 400
4 bar carb
45S -.035
5
30 18436572 600
4
600D
4
8-326, 400
2 bar carb 6
45S -.035
5
30 18436572 700
9
600D
9
8-400
Hi perf
44S -.035
5
30 18436572 700
4
600D
4
8-428 44S -.035
5
30 18436572 700
4
650D
4
8-428
With A.I.R
44S -.035
5
30 18436572 700
7
650D
7
1968 6-250
1 bar carb
44N -.035 .016 31-34 153624 TDC 700/500
7
600/500
7
6-250
4 bar carb
44N -.035 .016 31-34 153624 800/600
7
600/500
7
8-350 45S -.035 .016 28-32 18436572 650/500
7
650/500
7
8-400
Firebird
44S -.035 .016 28-32 18436572 850/600
7
650/500
7
8-400
Firebird H.O.
44S -.035 .016 28-32 18436572 850/600
7
650/500
7
Firebird
Ram Air
44S -.035 .016 28-32 18436572 1000/650
7
650/500
7
Pontiac 400
2 bar carb
45S -.035 .016 28-32 18436572 800/500
7
600/500
7
Pontiac 400
4 bar carb
45S -.035 .016 28-32 18436572 850/650
7
600/500
7
8-428 44S -.035 .016 28-32 18436572 650/500
7
650/500
7
1969 6-250
1 bar carb
R44NS -.035 .016 31-34 153624 TDC 700/500 600/500D
7
6-250
4 bar carb
R44NS -.035 .016 31-34 153624 850/600 600/500D
7
8-350
2 bar carb
R45S -.035 .016 30 18436572 850 650D
7
8-350
4 bar carb
R45S -.035 .016 30 18436572 1000 650D
7
8-400
2 bar carb
R45S -.035 .016 30 18436572 850 650D
7
8-400
4 bar carb
10
.016 30 18436572 700 600D
8-400
Ram Air
10
.016 30 18436572 15° 1000/650 650/500D
7
8-428 R44S -.035 .016 30 18436572 1000 650D
7
1970 6-250
Std. trans 3
R46T -.035 .019 31-34 153624 TDC 750/ 400 -
6-250
Auto trans 3
R46T -.035 .019 31-34 153624 - 600/400D
8-350
2 bar carb
R46S -.035 .016 30 18436572 800 650D
8-400
2 bar carb
R46S -.035 .016 30 18436572 800 650D
8-400
4 bar carb
R45S -.035 .016 30 18436572 950 650D
8-400
Ram Air
R44S -.035 .016 30 18436572 15° 1000/ 650 750/500D
8-455 R45S -.035
11
.016 30 18436572 950 650D
1971
22
6-250
3
R46TS -.035 .019 32.5 153624 850/ 550 650/500D
8-307
Std. trans 3
R45TS -.035 .019 30 18436572 550 -
8-307
Auto trans 3
R45TS -.035 .019 30 18436572 - 550D
8-350
2 bar carb
R47S -.035 .016 30 18436572 12° 800 600D
8-400
2 bar carb
R47S -.035 .016 30 18436572 - 600D
8-400
4 bar carb
R46S -.035 .016 30 18436572 12° 1000/600 700D
V8-455 R46S -.035 .016 30 18436572 12° - 650D
V8-455
H.O.
R46S -.035 .016 30 18436572 12° 1000/ 600 700D
1972
22
6-250
3
R46T -.035 .019 32.5 153624 850/450 650/450D
8-307
Std. trans 3
R44T -.035 .016 30 18436572 900/450 -
8-307
Auto trans 3
R44T -.035 .016 30 18436572 - 600/450D
8-350 R46TS -.035 .016 30 18436572 800 -
8-350 R46TS -.035 .016 30 18436572 10° - 625D
8-400
2 bar carb
R46TS -.035 .016 30 18436572 10° - 625D
8-400
4 bar carb
R45TS -.035 .016 30 18436572 10° 1000/600 700/500D
V8-455
2 bar carb
R45TS -.035 .016 30 18436572 10° - 625D
V8-455
4 bar carb
R45TS -.035 .016 30 18436572 10° - 650/500D
V8-455
H.O. Std. trans
R45TS -.035 .016 30 18436572 1000/600 -
V8-455
H.O. Auto trans
R45TS -.035 .016 30 18436572 10° - 700/500D
1973
22
6-250 R46T -.035
12
32.5 153624 750/450 600D
6-350
Std. trans
R46T -.040 .019 30 18436572 10° 900/600 -
8-350
Auto trans
R46TS -.040 .016 30 18436572 12° - 650D
8-400
2 bar carb
R46TS -.040 .016 30 18436572
13
- 650D
8-400
4 bar carb
R45TS -.040 .016 30 18436572
13
1000/ 600 650D
8-455 R45TS -.040 .016 30 18436572
13
1000 650D
8-455
S.D.
R44TS -.040 .016 30 18436572
13
1000/ 600 750/500D
1974
22
6-250 R46T -.035
12
32.5 153624 850 600D
8-350
2 bar carb
R46TS -.040
12
30 18436572
13
900 650D
8-350
2 bar carb 14
R46TS -.040
12
30 18436572 10° - 625D
8-350
4 bar carb
R46TS -.040
12
30 18436572
13
1000 650D
8-350
4 bar carb 14
R46TS -.040
12
30 18436572 10° - 625D
8-400
2 bar carb
R46TS -.040
12
30 18436572
13
- 650D
8-400
2 bar carb 14
R46TS -.040
12
30 18436572 10° - 625D
8-400
4 bar carb
R45TS -.040
12
30 18436572
13
1000 650D
8-400
4 bar carb 14
R45TS -.040
12
30 18436572 10° - 625D
8-455 R45TS -.040
12
30 18436572
13
- 625D
8-455
14
R45TS -.040
12
30 18436572 10° - 650D
8-455
SD
R44TS -.040
12
30 18436572 12° 1000 750D
1975
22
6-250 R46TX -.060 - - 153624 10° 800 650D
8-260
15
R46SX -.080 - - 18436572 16° 750 650D
8-260
14,15
R46SX -.080 - - 18436572 18° 750 650D
8-350 R46TSX -.060 - - 18436572
19
800
20
8-350
16
R45TSX -.060 - - 18436572 12° 800 600D
8-400
2 bar carb
R46TSX -.060 - - 18436572 16° 800 650D
8-400
2 bar carb 17
R45TSX -.060 - - 18436572 16° 800 650D
8-400
4 bar carb 18
R45TSX -.060 - - 18436572
21
800 650D
8-400
4 bar carb 14
R45TSX-.060 - - 18436572 12° 800 650D
8-455 R45TSX-.060 - - 18436572 16° 800 650D
8-455
14
R45TSX-.060 - - 18436572 10° 800 625D
 

1 - BTDC - Before top dead center

2 - D- Drive N- neutral

3 - SEE Chevrolet for service procedure

4 - If A/C, A/C turned to Full On position

5 - Turn adjusting screw in Clockwise until engine misfires, then turn screw out 1/2 turn

6 - With Air Injection reactor emission system (A.I.R)

7- With A/C off

8- Tempest with manual trans

9- 100 rpm higher with A/C

10- GTO uses R44S, all others R45S

11- Use R44s on Ram Air TDC- Top dead center

12- New .019, used .016

13- Manual tran 10°, auto 12°

14- CA

15-SEE Oldsmobile for service procedure

16- Ventura only SEE Buick for service procedure ATC- After top center

17- All except Firebird, Grand Prix, and CA

18- Firebird, Grand Prix except CA

19- Manual tran 12°, auto 16°

20- 2 bar carb 600rpm, 4 bar carb 650 rpm

21-12°, auto 10°

22- Exc Astre