| YEAR | ENGINE CODE | MANUAL | AUTO | REMARK |
| 1950-65 | 1200-G1500 | 10° BTDC | ---------- | 1 |
| 1966-67 | FI, HI, HO | 7.5° BTDC | ---------- | 1 |
| 1968-70 | HI, BI, H5000001 | 0° TDC | 0° TDC | 1 |
| 1971-73 | AE, AH | 5° ATDC | 5° ATDC | 2, 5 |
| 1974 | AK | 7.5° BTDC | 7.5° BTDC | 3 |
| 1974 | AH | 5° ATDC | 5° ATDC | 2 |
| 1975 | AJ | 5° ATDC | 5° ATDC | 6 |
| 1976 0N | AJ | 5° ATDC | 0° TDC | 6 |
1. STATIC TIMING MARK.
2. STROBE TIMING MARK, AT IDLE, VACUUM HOSE(S) ON.
3. STROBE TIMING MARK, AT IDLE, VACUUM HOSE(S) OFF.
4. STROBE TIME AT 3500 RPM, VACUUM HOSE(S) OFF.
5. FROM SPRING 1973 ENGINES WITH ONE VACUUM HOSE ON THE DISTRIBUTOR, ADJUST TIMING TO 7.5 BTDC WITH VACUUM HOSE FROM DISTRIBUTOR DISCONNECTED AND PLUGGED. STARTING CHASSIS NO. 11326474897 MANUAL TRANSMISSION AND 1132690032 AUTOMATIC STICKSHIFT.
6. CARBON CANISTER HOSE DISCONNECTED AT AIR CLEANER. STROBE TIME, AT IDLE VACUUM HOSE(S) ON
CRITTER'S VOLKSWAGENS