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Old 05-12-2002, 02:42 PM   #1
exgmguy
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Join Date: Feb 1999
Location: Utica, Michigan
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Default Vacuum reading at idle?

What is a normal vacuum reading at idle for a typical Heads/cam/intake 5.0l?
I have to give my car the "anti-idle surge vacuum leak" and it reads 14 inches at idle, and 16 inches with the leak plugged, surging away.

I have a mild E-303, ported TFS heads, Holley intake and a 70 mm throttle body.
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1988 Mustang GT
stock bottom 302, C4
10.9 @ 128 with 8 psi of Novi 1000 boost!----STOLEN

1989 Mustang notchback
Warmed up 306 with a Procharger.
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