Thread: getting 420+ HP out of a 350..
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02-22-2009 06:12 AM #1
I personally do not think the Patriot heads will get you there without going the 383 route. Here is a good article from a reputible source. 383 patriot head build the had around a 430 hp range, with even higher torque #s. About 7 pages with dyno sheets also.
http://www.chevyhiperformance.com/te...ine/index.htmlLast edited by mooneye777; 02-22-2009 at 06:21 AM.

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A belated Happy 78th Birthday Roger Spears
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