Hot Rod Forum : Hotrodders Bulletin Board - View Single Post - ZZ4 Camshaft experiences...My stock cam V/S ZZ4 Cam
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Old 01-22-2008, 10:28 AM
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The GM ZZ4 "hot cam" has more lift and more duration and is designed to work with 1.6 ratio rocker arms which add a little more lift. As an example the GM Parts Performance Fastburn 350 is rated at 385hp. Simply adding the "hot cam" kit raises the hp to 430.

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