Aluminum Heads vs. Cast Iron
#3
RE: Aluminum Heads vs. Cast Iron
unfortunately, engines with aluminum heads and cast iron blocks have a habit of blowing head gaskets because of the difference in the coefficient of expansion for aluminum and cast iron. all this has to happen is once and you might be rebuilding your engine.
#7
RE: Aluminum Heads vs. Cast Iron
Aluminum heads were standard on every L-98 starting in feb.'86.I guess some of the advantages are better heat dissipation and of course,less weight.Aluminum heads or not,the L-98 will always be one of the greatest Vette engines.Long live the C4!!!!! ('96 LT-1 man).
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chase sperry
Corvette C4 Forum
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11-26-2006 12:31 AM