Thread: 454 head question
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10-22-2004 05:14 PM #2
CHR Member
- Join Date
- Dec 2003
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- Festus
- Car Year, Make, Model: 75 GMC C-15
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781s are great heads, would be really nice if you put 2.19/1.88s in em. youll be down some horsepower, Im gonna guess 30-40 HP compared to the RPM headsat the most, but chances are that loss will only be in the upper rpm range anyway. John75 GMC C-15 factory 454, automatic, lowered
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