vaccum help!!
vaccum help!!
i put a vaccum gauge on my car today to tell me what power valve i need for my holley carb. I thought i would see around 5 inches of vaccum or so, but the gauge says i have 19
i know the gauge is right too, since it was calibrated when i picked it up from my dads work.
isnt this to high of vaccum? what do i do?
i know the gauge is right too, since it was calibrated when i picked it up from my dads work.
isnt this to high of vaccum? what do i do?
Joined: Jul 2003
Posts: 10,537
Likes: 205
From: NYC / Jersey
Car: 1990 Trans Am GTA
Engine: Turbo 305 w/MS2
Transmission: 700R4
That reading is perfect!
What are the cam spec's, and what size rocker's are you using? A reading of 19 is perfect bro, and a reading of only 5 would indicate a serious vacuum leak somewhere....
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zupmanZ28
Tech / General Engine
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Mar 13, 2001 05:07 PM








