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Old 05-15-2007, 08:19 PM   #1
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Default Boost gage on 92 SSEI

Hey i was wondering if it was normal that my boost gage stays at -70 when i'm not accelerating....right when i accelerate it goes up as i go further down on the pedal obviously....but is it normal that it idles at -70 ?
If not what could cause that?
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Old 05-17-2007, 06:11 PM   #2
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anyone, no?
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Old 05-17-2007, 06:14 PM   #3
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yes, that is completely normal. your boost is being bypassed at that point.
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Old 05-17-2007, 09:00 PM   #4
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You are reading manifold vacuum at idle, just like a non-supercharged car. Mid-throttle should read about zero, and wide open throttle (in gear) should read about 8-9 psi on US cars and about 3/4 scale on cars with stock pulleys.
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Old 05-20-2007, 06:05 PM   #5
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wooot thanks a mil guys!
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