02-10-2014, 12:04 PM
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CC Member
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Join Date: Dec 2001
Location: Louisville,
KY
Cobra Make, Engine: I'm Cobra-less!
Posts: 9,417
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Not Ranked
True...
The 392 Ford crate engine used the GT40X heads, which are not known for their performance offerings. The OP could gain about 70-75 hp alone from a head swap. Plus, when you add air flow, it's easier for the camshaft to work, then you get a higher hp peak as well. Kind of a two-fer.
It wouldn't be prudent to *try* to snag 70 hp out of a camshaft swap. You'd end up with a fussy engine that had no bottom end and no top end either, due to the heads hindering the cam's ability.
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