Porsche 356
Tune-up Specifications
Porsche 356
Tune-up Specifications
| Valve Clearances | |||
| YEAR/MODEL | INTAKE (INCHES) | EXHAUST (INCHES) | |
| 1955-1963 | 356 A/B, 1600 | .004 | .006 |
| 356 A/B, 1600S | .004 | .006 | |
| 1960-1963 | 356 B, S90 | .006 | .004 |
| 1963-1965 | 356 C | .004 | .006 |
| 356 SC | .006 | .004 | |
| 1966-1967 | 912 | .004 | .006 |
| 1968-1969 | 912 | .004 | .006 |
| Ignition | |||||||
| PLUG | POINT | IDLE RPM | |||||
| YEAR/MODEL | GAP IN INCHES | GAP IN INCHES | DWELL DEGREE | FIRING ORDER | TIMING AT | (+/- 50) | |
| 1955-1963 | 356 A/B,1600 | .024 TO .028 | .016 | 47-53 | 1432 | 5 BTDC | 800 |
| 356 A/B,1600 S | .024 TO .028 | .016 | 47-53 | 1432 | 5 BTDC | 900 | |
| 1960-1963 | 356 B, S90 | .024 TO .028 | .016 | 47-53 | 1432 | 3 BTDC | 900 |
| 1963-1965 | 356 C | .024 TO .028 | .016 | 47-53 | 1432 | 5 BTDC | 900 |
| 356 SC | .024 TO .028 | .016 | 47-53 | 1432 | 3 BTDC | 900 | |
| 1966-1967 | 912 | .024 TO .028 | .016 | 47-53 | 1432 | 3 BTDC | 900 |
| 1968-1969 | 912 | .024 TO .028 | .016 | 47-53 | 1432 | 3 ATDC | 900 |