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Old 12-06-2009, 03:15 PM
Anthony Anthony is offline
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Join Date: Apr 1999
Location: cleveland, OH
Cobra Make, Engine: CSX4000, 427
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I would agree with undy, + - 500 hp. depends if the heads were ported.

I built a "replica" 427 comp car engine, except for cam.

Had original displacement, heads, intake, carb, and I probably got about 560HP, dyno'd at 460 hp at the wheels.
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