Valve Arrangement
396", 427" V8 - I-E-I-E-I-E-I-E-(both banks, front to rear).
All Others V8 - E-I-I-E-E-I-I-E.
SPARK PLUGS'
| Gap | .035" |
| Torque | 25 ft. lbs. |
Spark Plug Type
| Engine | Standard | Colder | |
|---|---|---|---|
| 302" | AC 43 | AC 42-1C | |
| 307" | AC 45 | AC 44S | |
| 327" 250 HP | AC 44S | AC 43S | |
| Except 250 HP | AC 44 | AC 43 | |
| 350" | AC 44 | AC 43 | |
| 396" | AC 43N | AC 42N | |
| 427" 430 HP | AC 43XL | AC 42XL | |
| Except 430 HP | AC 43N | AC C42N | |