Havent had time to tune...

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May 26, 2010 | 08:44 PM

phasemaster1

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Havent had time to tune...

Installed long tube headers plus got rid of stock Y pipe replaced with 3" Y. My boost/vac gauge went from 16 inches of vac to 12 inches of vac. Is that normal? Or could it be tune? Thanks

May 28, 2010 | 07:43 PM

phasemaster1

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From: florida

Vacuum went from 12 to 9. Trying to find a vacuum leak with a procharger is a joke. The culprit leaking Proflow bypass valve.

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