03-01-2010, 12:37 AM
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#18
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mini truck racer
Join Date: Aug 2006
Location: Baytown , texas
Posts: 3,010
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Re: Opinions on GM cam
Quote:
Originally Posted by 70rs/ss
Brad the ZZ4 can and will work with the spring upgrade, and honestly the stock Vortec springs need to be upgraded so the, "no gain above .475" isn't the whole story." Vortecs flow into the .500 lift range, just not a ton, but definately no loss between .475 and .500 lift. That being said I too bought the HT383 cam on ebay, it was like $80 and is the factory roller type cam, and it'll be close to the Vortec stock lift limit, so the spring upgrade is still needed (for performance, as well as to get the additional clearance you'll need). The HT383 cam, Vortecs w/beehives and a nice 600-650cfm carb w/edelbrock perf rpm intake, and it should throw down some nice tq and hp numbers and a BIG smile too!!
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Well said .
Last edited by hotrod 80; 03-01-2010 at 12:38 AM.
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