what should vacuum be at idle
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Supreme Member
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Joined: Sep 1999
Posts: 3,871
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From: Mass
Engine: 350 TPI
Transmission: A4
Axle/Gears: 3.23
what should vacuum be at idle
I think i have a vacuum leak and need to hook up a gauge to find out. the leak must be big enough to cause my idle to go up and down and i cant set timing on new motor until i get it to idle right. where can i hook up the gauge to
TGO Supporter
Joined: Aug 1999
Posts: 14,811
Likes: 1
From: Jackson County
there is no set number your engine will run at, connect the gauge to any port in the intake.
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ICON Motorsports
1st & 3rd
MM Black Diamond 538 F&AM
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ICON Motorsports
1st & 3rd
MM Black Diamond 538 F&AM
Senior Member
Joined: Aug 1999
Posts: 950
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From: This spot right here --->*
Car: 2002 SOM z28
Engine: LS1
Transmission: T-56
For what it's worth, I run about 13"-14" at 900 rpms...
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1984 z28 w/ a 357 cu in. monster engine which is looking like the posterchild for Edelbrock with the exception of the Holley 750vac... all the suspension stuff... 9-bolt posi disk is in...
-=ICON Motorsports=-
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1984 z28 w/ a 357 cu in. monster engine which is looking like the posterchild for Edelbrock with the exception of the Holley 750vac... all the suspension stuff... 9-bolt posi disk is in...
-=ICON Motorsports=-
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