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exgmguy · 05-12-2002, 02:42 PM

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.

05-12-2002, 02:42 PM	#1
exgmguy Registered Member Join Date: Feb 1999 Location: Utica, Michigan Posts: 2,631	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. __________________ 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.