Heads?
04-03-2009, 10:25 PM
2nd Gear Member
Thread Starter
Join Date: Apr 2007
Location: One of Them
Posts: 409
Heads?
which are better the GT40 Iron or aluminum heads
08-22-2009, 08:21 AM
Join Date: Jun 2008
Location: Virginia
Posts: 33
aluminum heads are always better unless you must run cast, i would always go with aluminum not just because of weight savings, but also the flow differences. that and if they a GT40-P heads they just flat SUCK!!!!!!!!!!!
09-01-2009, 05:18 AM
Join Date: Sep 2009
Location: alabama
Posts: 13
there are 3 different heads GT-40 Y303,GT-40p and the Gt-40x i prefer aluminum because of weight and better heat dissipation I think the GT-40x are the aluminum ones but not sure
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