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Old Nov 21, 2008 | 09:33 PM
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BeauA4's Avatar
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1st Gear
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From: San Jose
Thumbs down boost gauge=\
i have an aftermarket boost gauge. and the gauge reads below zero when im not giving it much gas. then when i throttle it goes up to where im boosting. why when i let off it drops below 0
 
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Old Nov 21, 2008 | 09:45 PM
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Jc61990's Avatar
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its called vacuum, its normal it should be around 18-20 Hg
 
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Old Nov 21, 2008 | 10:00 PM
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cincyTT's Avatar
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^ not when he is crusing. Depending on speed and throttle angle, it will be around 5-15in hg. All completely normal. You have to give it almost full throttle to create boost
 
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Old Nov 21, 2008 | 10:08 PM
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alright thanks guys i was just curious my. my friend thought it was wierd
 
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Old Nov 21, 2008 | 10:28 PM
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yea.... keep in mind.. stay in vac and you get better MPG
 
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