How to modify your Holley Power Valve Circuit

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#15 (permalink)

12-01-2009, 02:07 PM

vector1

CC Member

Join Date: Dec 2004

Location: Kansas City, KS

Cobra Make, Engine: jbl

Posts: 2,291

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pvcr are sometimes too small also. in this scenario you can enlarge the pvcr one drill bit size at a time. these channels are very sensitive. then if you go too big you can drill and tap for the bleed as tom has shown. fyi

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