Re: Help with my 383 Impala.

The 186's on the car are 64cc double humps. The pistons are 11 cc dished, .024 in the hole and the head gasket is like .040, That comes out to 9.867.... Compression won't change. Definitely will need a bigger cam. Would like a hyd roller. Have to find out if my Hedmans will work with angle plug heads too.

The heads are 215 cc intake flow like 225/205 at .500 and 265/217 at .600. Springs are 145 at the seat and 385 lbs open, will handle up to .650 lift.

Guy was asking about 60% of Summit's price so I bit.

The 186's on the car are 64cc double humps. The pistons are 11 cc dished, .024 in the hole and the head gasket is like .040, That comes out to 9.867.... Compression won't change. Definitely will need a bigger cam. Would like a hyd roller. Have to find out if my Hedmans will work with angle plug heads too.

The heads are 215 cc intake flow like 225/205 at .500 and 265/217 at .600. Springs are 145 at the seat and 385 lbs open, will handle up to .650 lift.

Guy was asking about 60% of Summit's price so I bit.

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