Dedicated to the Promotion and Preservation of American Muscle Cars, Dealer built Supercars and COPO cars. |
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#9
08-07-2007, 01:47 AM
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Re: Tuning help
Oh, & last time I messed with the timing, I was getting fairly steady 10 or 12" (can;t remember now)of vacuum on the gage while figiting with the idle screws.
Figured it was just how the W31 cam is in the 455 instead of the 350? I would have panicked seeing 6" to be honest. 
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