| Year |
Engine Car Model |
Spark Plug Gap |
Point Gap |
Dwell Angle |
Firing Order |
Ignition Timing
(BTDC
or
Mark) |
Valve Lash |
| Intake |
Exhaust |
| 1946-48 |
L4
|
.030 |
.020 |
41 |
1342 |
5°
|
.016C |
.016C |
| L6
|
.030 |
.020 |
35 |
153624 |
5° |
.016C |
.016C |
| 1949-51 |
L4
|
.030 |
.020 |
41 |
1342 |
5°
|
.016C |
.016C |
| L6
|
.030 |
.020 |
39 |
153624 |
5° |
.016C |
.016C |
| L4
|
.030 |
.020 |
47 |
1342 |
5°
|
.016C |
.016C |
| L6
|
.030 |
.020 |
39 |
153624 |
5° |
.016C |
.016C |
| 1952 |
F4
|
.030 |
.020 |
47 |
1342 |
5°
|
.018C |
.016C |
| L6
|
.030 |
.020 |
39 |
153624 |
5° |
.016C |
.016C |
| L6
|
.030 |
.020 |
39 |
153624 |
5° |
.016C |
.016C |
| F6
|
.030 |
.020 |
39 |
153624 |
5° |
.018C |
.016C |
| 1953-57 |
F4
|
.030 |
.020 |
47 |
1342 |
5°
|
.018C |
.016C |
| F4
|
.030 |
.020 |
47 |
1342 |
5°
|
.018C |
.016C |
| L6
|
.030 |
.016 |
38-45 |
153624 |
5° |
.016C |
.016C |
| 1956-57 |
L4
|
.030 |
.020 |
47 |
1342 |
5°
|
.016C |
.016C |
| 1958 |
F-Head 4 |
.030 |
.020 |
42 |
1342 |
5°
|
.018C |
|
| 6-226 |
.030 |
.020 |
39 |
153624 |
4° |
.014C |
.014C |
| L-Head
4 |
.030 |
.020 |
42 |
1342 |
5°
|
.016C |
.016C |
| 1959-62 |
F-Head 4-134 |
.030 |
.020 |
42 |
1342 |
5°
|
.018C |
|
| L-Head
4-134 |
.030 |
.020 |
42 |
1342 |
5°
|
.016C |
.016C |
| 6-226 |
.030 |
.020 |
39 |
153624 |
4° |
.014C |
.014C |
| 1963-64 |
F-Head 4-134 |
.030 |
.020 |
42 |
1342 |
5°
|
.018C |
|
| L-Head 4-134 |
.030 |
.020 |
42 |
1342 |
5°
|
.016C |
.016C |
| 6-226 |
.030 |
.020 |
39 |
153624 |
5° |
.014C |
.014C |
| 6-230 |
.030 |
.020 |
39 |
153624 |
5° |
.006C |
.008C |
|