COMET
1960-64 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 | |||||||
| 1960 -61 | 6
Cly. Std. trans |
.034 | .025 | 37-42 | 153624 | 4°
Pulley |
.016H | .016H |
| 6
Cly. Auto trans |
.034 | .025 | 37-42 | 153624 | 10°
Pulley |
.016H | .016H | |
| 1962 | 6
Cly. Std. trans |
.034 | .025 | 37-42 | 153624 | 4° | .016H | .016H |
| 6
Cly. Auto trans |
.034 | .025 | 37-42 | 153624 | 10° | .016H | .016H | |
| 1963 | 6-144
Std. trans |
.034 | .025 | 37-42 | 153624 | 8° | .066- .216
3 |
|
| 6-144
Auto trans |
.034 | .025 | 37-42 | 153624 | 12° | .066- .216
3 |
||
| 6-170
Std. trans |
.034 | .025 | 37-42 | 153624 | 6° | .066- .216
3 |
||
| 6-170
Auto trans |
.034 | .025 | 37-42 | 153624 | 12° | .066- .216
3 |
||
| V8
Std. trans |
.034 | .017 | 26-31 | 15426378
1 |
6° | 3/4 Turns
2 |
||
| V8
Auto trans |
.034 | .017 | 26-31 | 15426378
1 |
10° | 3/4 Turns
2 |
||
| 1964 | 6
Std. trans |
.034 | .025 | 37-42 | 153624 | 6° | .066- .216
3 |
|
| 6
Auto trans |
.034 | .025 | 37-42 | 153624 | 12° | .066- .216
3 |
||
| V8
Std. trans |
.034 | .017 | 26-31 | 15426378
1 |
6° | 3/4 Turns
2 |
||
| V8
Auto trans |
.034 | .017 | 26-31 | 15426378
1 |
10° | 3/4 Turns
2 |
||
1 - Cylinders numbering front to rear: Right bank 1234 left bank 5678
2 - tighten rocker arm adjusting screw to eliminate all push rod end clearance, then tighten screw number turns listed.
3 - Clearance is obtained at valve stem tip with
hydraulic lifter collapsed. If clearance
is less than minimum, install an undersize
push rod. If clearance is greater
install an oversized push rod.