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Alum heads

Ken

Gone but not forgotten
Joined
Jan 30, 2001
Messages
8,236
Location
Hermosa Beach, CA
Corvette
1987 Z51 Silver Coupe
Which head Jim?

I found this at Scoggin-Dickey :
The Vortec - High Performance Assembled Heads have a chamber size of 64cc, while the "Fast Burn" Aluminum Heads have a chamber size of 62cc, and the Splayed Valve Cylinder Head have a chamber size of 45cc.

So you see that you should be a little more specific with your question.
 

69MyWay

Well-known member
Joined
Jul 3, 2001
Messages
4,364
Location
Auburndale, Florida
Corvette
1969 Killer Shark
I thought the stock aluminum L98 heads are actually only 58cc. The factory head gasket is extra thick. That drops the compression less than what you would expect for such a small chamber.
 

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