GM Fast Burn Heads...
10-01-2005, 08:10 PM
#1
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Join Date: Sep 1999
Location: Boulder, CO. USA
Posts: 506
GM Fast Burn Heads...
Has anybody installed these heads on an LT1?
Can they be ported to flow above average? Like 275-280 CFM @ .550 or so?
Of course I'm aware that they need to be converted to reverse cooling.
THX-Goose
Can they be ported to flow above average? Like 275-280 CFM @ .550 or so?
Of course I'm aware that they need to be converted to reverse cooling.
THX-Goose
Last edited by zhevy-1; 10-01-2005 at 08:24 PM.
10-01-2005, 09:32 PM
#2
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Join Date: Feb 2004
Posts: 4,800
Re: GM Fast Burn Heads...
They are to LT4 heads what Vortecs are to iron LT1 heads, a standard coolant flow version. So converting those heads to reverse flow would be foolish because GM made them for the LT1 block and called them LT4 heads. Besides a good porter can get the numbers you quoted out of LT1 heads anyway.
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