Valve Arrangement
All Except 396" & 427" - E-I-I-E-E-I-I-E (each bank, front to rear).
396" & 427" - I-E-I-E-I-E-I-E (each bank, front to rear).
SPARK PLUGS
| Gap (All) | .035" |
| Torque (All) | 20-25 Ft. Lbs. |
Spark Plug Type
| 283" Standard | AC 45 | |
| Hotter | AC 46 | |
| Colder | AC 44 | |
| 327" Standard | AC 44 | |
| Hotter | AC 45 | |
| Colder | AC 43 | |
| 396" Standard | AC 43N | |
| Colder | AC C42N | |
| 427" Standard | AC 43N | |
| Hotter | AC 44N | |
| Colder | AC C42N | |