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82 GT · 06-17-2006, 02:15 PM

Idle vacuum is between 14-15hg(Park) and I'm running a 6.5 power valve.
I'm beginning to wonder if maybe my PV is closing before the end of the run and shutting off the power circuit of the carb.
I have a vacuum gauge I'm going to hook up so I can watch it during a pass down the track.

06-17-2006, 02:15 PM	#22
82 GT Import Slayer Join Date: May 1999 Posts: 2,241	Re: Holley carb. gurus needed! Idle vacuum is between 14-15hg(Park) and I'm running a 6.5 power valve. I'm beginning to wonder if maybe my PV is closing before the end of the run and shutting off the power circuit of the carb. I have a vacuum gauge I'm going to hook up so I can watch it during a pass down the track. __________________ '82 GT 351W (.060)Comp Cams 274* Extreme Energy cam, ported & polished heads w/ 1.94/1.60 valves 10.3:1 flat top pistons,stealth intake, Mallory dizzy,Holley 750dp carb, BBK shorties,Flowmaster exhaust,C-4 with 3700 stall converter, B&M pro shifter,8.8 rear, 4:10's, subframes, electric fan, powermaster alternator, 4 core radiator.