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Boost Gauge Prob?

   
Old Jul 10, 2008 | 03:05 PM
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Boost Gauge Prob?
OK. I read the manual and it says that the Boost zeros out every time you turn the car on. When I start my SS the Boost zeros out and then it drops to a vacuum of 15 to 20. Is that normal?
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Old Jul 10, 2008 | 04:03 PM
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Yes, and it is a good idea to let the vacuum go to 15-20 before driving. That lets the temps come up some and vacuum in the power brakes.
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Old Jul 10, 2008 | 06:05 PM
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Awesome! Thanks IVTECH!
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Old Jul 10, 2008 | 06:09 PM
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Originally Posted by ivtech
Yes, and it is a good idea to let the vacuum go to 15-20 before driving. That lets the temps come up some and vacuum in the power brakes.
15 - 20 inches of vacuum at idle? I never see more than 12-14.
Last edited by 405HP_Z06; Jul 11, 2008 at 08:41 AM.
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Old Jul 10, 2008 | 07:48 PM
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From: A state of L N F Performance
I usually sit at 20 vacuum at idle, so did the Audi.
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Old Jul 10, 2008 | 07:52 PM
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I'm guessing the variations in vacuum have something to do with altitude...just like boost.
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Old Jul 11, 2008 | 11:01 AM
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my vacuum is at 20 when i idle too
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