09-19-2017, 08:13 PM
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CC Member
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Join Date: Jun 2017
Location: Curtice,
OH
Cobra Make, Engine: Superformance
Posts: 19
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Not Ranked
GT40 to Z304 heads
Cannot seem to find a definitive answer. Exhaust ports between the GT-40 heads and Z304 heads. Same height? The Z304 heads are advertised as raised. Not sure if the GT-40 were that way as well? Just concerned about header/pipe exit if I do the swap on a FMS 392 in a Superformance.
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32 Ford 400SB - 16 Corvette Z06 - 65 SPF MKIII 392
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