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Vac. How much

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Old Sep 15, 2013 | 10:36 AM
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nickwfd92
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From: Dover De
Default Vac. How much

Just put my vac/boost gauge in and at normal idle its pulling anywhere from 15-22kpi. And when i am on it goes down to 7 or so. Then when you let off to shift fast it goes to 25 or so. I do have a cam and the car is tuned is this normal. 2000 coupe
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Nick
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Old Sep 15, 2013 | 11:20 AM
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Yep, that seems pretty close to normal. It seems backwards, but that is what it does. I forget all the "why" details but when you jump on the gas the vacumm goes down and when you're coasting the vacumm goes up.
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Old Sep 15, 2013 | 12:22 PM
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From: Dover De
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Thanks. I just remember in my other car that had a vac gauge it held mor vac. Just making sure its normal. Thx
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