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