Dedicated to the Promotion and Preservation of American Muscle Cars, Dealer built Supercars and COPO cars. |
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#22
06-02-2003, 01:58 PM
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Re: Hesitating Holley
Marlin, if you block the rear power valve you must increase the rear jet size 6 to 8 jet sizes to compensate. The power valves job is to keep mixture lean while crusing and richen when accelerating. However since the rear barrels are either fully closed or fully open on the dragstrip, there is no need for a variable air/fuel mixture. The advantages to blocking the power valve are that the power valve now can't stick closed and cause a lean condition, and won't blow out and leak if you should have an intake manifold backfire.
You gonna go to Norwalk? [img]/ubbthreads/images/graemlins/  [/img]
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...................... John Brown This isn't rocket surgery..... 
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