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Originally Posted by 82 GT
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.
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Remember that it's when the manifold vacuum is below the rating that the power valve is open. At WOT, the vacuum is right at 0 or a hair more. No matter what pwer valve # you use, it will always be open at WOT.
Rev
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'66 Coupe, 306, 350-375 HP, C-4, 13.07 e.t., 104.8 mph, 1/4 mi.
O.B.C. #2
'66 coupe