FixVault

Compression Pressure

At cranking speed with throttle wide open and all spark plugs removed. Maximum variation between cylinders is 20 psi.

CAUTION: Whenever the engine is cranked remotely at the starter, the distributor primary lead must be disconnected from the negative post on the coil and the ignition switch must he in the "ON" position. Failure to do this will result in a damaged grounding circuit in the ignition switch.
307", 350" (330 HP) & 454" (425 HP) 150 psi.
350" (245 & 270 HP), 400", 402" & 454" (365 HP) 160 psi.