DeSoto
1946-61 Tune-up Specifications
| Year | Engine Car Model | Spark Plug Gap | Point Gap | Dwell Angle | Firing Order | Ignition Timing (BTDC or Mark) | Valve Lash | |
| Intake | Exhaust | |||||||
| 1946-48 | All | .030 | .020 | 35-38 | 153624 | "0" | .008H | .010H |
| 1949-50 | All | .035 | .020 | 35-38 | 153624 | 1 |
.008H | .010H |
| 1951 | All | .035 | .020 | 35-38 | 153624 | 1 |
.008H | .010H |
| 1952-53 | Six | .035 | .020 | 35-38 | 153624 | 1 |
.008H | .010H |
| V8 | .035 | .018 | 2 |
18436572
3 |
4 |
Zero | Zero | |
| 1954 | Six | .035 | .020 | 39 | 153624 | 5 |
.008H | .010H |
| V8 | .035 | .018 | 2 |
18436572
3 |
4 |
Zero | Zero | |
| 1955 | 2
Bar. Carb. |
.035 | .017 | 2 |
18436572
3 |
4° | Zero | Zero |
| 4
Bar. Carb. |
.035 | .017 | 34 | 18436572
3 |
10° | Zero | Zero | |
| 1956 | V8-330
2 Bar. Carb. |
.035 | .017 | 27-32 | 18436572
3 |
8° | Zero | Zero |
| V8-330
4 Bar. Carb. |
.035 | .017 | 27-32 | 18436572
3 |
4° | Zero | Zero | |
| V8-341 | .035 | .017 | 27-32 | 18436572
3 |
6° | Zero | Zero | |
| 1957 | V8-325 | .035 | .017 | 27-32 | 18436572
3 |
6° | Zero | Zero |
| V8-341 | .035 | .017 | 27-32 | 18436572
3 |
6° | Zero | Zero | |
| 1958 | V8-350, 361
1 Carb. |
.035 | .017 | 27-32 | 18436572
3 |
6° | .060-.210
11 |
|
| V8-361
2 Carbs. |
.035 | .017 | 10 |
18436572
3 |
8° | .060-.210
11 |
||
| 1959 | V8-361, 383
1 Carb. |
.035 | .017 | 27-32 | 18436572
3 |
10° | .060-.210
11 |
|
| V8-383
Two Carbs. |
.035 | .017 | 13 |
18436572
3 |
10° | .060-.210
11 |
||
| 1960 | V8-361, 383 | .035 | .017 | 27-32 | 18436572
3 |
10° | .060-.210
11 |
|
| 1961 | V8-361 | .035 | .017 | 27-32 | 18436572
3 |
10° | .060-.210
11 |
|
1- Third line after "0" mark.
2- Each set of points 26-28°, total dwell both sets 32-36°.
3- Cylinder numbering (front to rear): Left bank 1-3-5-7 Right bank 2-4-6-8. 4- Fourth line after "0" mark.
5- Second line after "0" mark.
10- Each set of points 29-32°; total dwell both sets 36-39°.
11- With lifter collapsed.
13- Each set of points 27-32°; total dwelt bothsets 34-40°.