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How much vacuum should I have on my 91 Camaro??

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Old Nov 18, 2004 | 09:18 PM
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grafx
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Joined: Nov 2001
Posts: 1,160
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From: So. California
Car: 91 Camaro RS
Engine: 305 TBI
Transmission: Pro-Built Automatic/Vigilante 2800
How much vacuum should I have on my 91 Camaro??
how much vaccum??
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Old Nov 18, 2004 | 11:03 PM
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Stekman's Avatar
Stekman
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Joined: Jul 2003
Posts: 4,803
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From: Grand Rapids, MI
Car: Z28
Engine: Sb2.2 406
Transmission: Jerico 4 speed
Axle/Gears: Ford 9" 3.60
What's the engine build like? Vacumm is dependant on a few factors, moreso than just "i have 8 holes, how much should I pull."
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Old Nov 19, 2004 | 10:42 AM
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grafx
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From: So. California
Car: 91 Camaro RS
Engine: 305 TBI
Transmission: Pro-Built Automatic/Vigilante 2800
ah...sorry. Its stock 305 TBI
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Old Nov 19, 2004 | 09:02 PM
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ridecamro
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Joined: Feb 2004
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From: MN
Car: 91 rs
Engine: 250
Transmission: 700r4
Axle/Gears: stock??
18-21"HG is what i've always been told for every engine. but my chilton says 15-18"HG so... what is your vacum reading right now??
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