Am I a pair of Edelbrock cylinder heads, or should I rebuild in, port and polish the original heads?
Do not know whether I should invest assembled pair of Edelbrock Performer RPM heads, or should I port and polish, do a valve job, replace valves, springs, rockers. The original heads are fine, no cracks or warped. By the way I am rebuilding a Pontiac 455 HO engine. I'm boring the block .030 over and adding a Stroker Kit a Comp cam with .510 lift ported, an Edelbrock Victor intake and Holley carb 750 heads to 4150HP game will breathe some air into the engine. New pistons, rings and arms support the reconstruction Alongs with Doug header. I do not want to draw this, but it will be a show car. Engine is mounted on a 1968 Pontiac Firebird are pro-touring cars. All proposals are very estimated.
If the heads by someone who knows what the hell they do finish, you will be better with your HO heads. From a performance point of view. Tests have shown high almost stock Vortec heads outflow of U.S. dollars Edelbrock stuff. But on the other hand, led a series of aluminum on all areas, the bitchin 'factor through the roof!
StreetlegalTV.com - PRI 2010 Edelbrock Big Victor II Manifolds
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