Ignition Timing
Set timing with engine idling, automatic transmission in "D" and with distributor vacuum line disconnected and plugged.
| 350" Synchro-mesh | 6° BTDC | |
| 350" Auto. Trans. 2-Bbl. | ||
| Skylark, Skylark Custom, GS, Sportwagon | 10° BTDC | |
| 350" All Others | 4° BTDC | |
| 455" Synchro-mesh | 6° BTDC | |
| Auto. Trans. | 4" BTDC | |
| 455" (Stage 1, All Trans.) | 10° BTDC | |