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Vacume at 20, 28 on non boosted engine.?

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Old 06-01-2004, 11:35 PM
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Default Vacume at 20, 28 on non boosted engine.?
I have my gauges installed & thought I'd tee off my intake manifold to test the boost gauge out & it was reading 20-28
on the vacume side only. Is this normal?
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Old 06-02-2004, 06:01 AM
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hybrdcivic95
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Default Re:Vacume at 20, 28 on non boosted engine.?
couldnt tell ya, i bought a boost gauge with boost only, who needs vaccuum?
 
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Old 06-02-2004, 08:07 AM
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Default Re:Vacume at 20, 28 on non boosted engine.?
This one has vacume, got it at jc witney & I tested the boost side with an air compressor @ 10p.s.i. & it's acurate. The vacume side isn't in psi s though, it's in ingh- whatever that means.
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Old 06-02-2004, 09:04 AM
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Default Re:Vacume at 20, 28 on non boosted engine.?
20 is normal...
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Old 06-02-2004, 09:28 AM
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Default Re:Vacume at 20, 28 on non boosted engine.?
20 at idle and about 24-26 on decelleration (sp) for me.
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Old 06-02-2004, 10:50 AM
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Default Re:Vacume at 20, 28 on non boosted engine.?
yeah thats normal.
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Old 06-02-2004, 11:15 AM
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Default Re:Vacume at 20, 28 on non boosted engine.?
20 NORMAL 28 should be with load, like a/c lights radio etc.
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Old 06-02-2004, 12:41 PM
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Default Re:Vacume at 20, 28 on non boosted engine.?
I run anywhere from 16-20 at idle and it jumps to 24 on decel, it's normal, so long as it 'rises' to 0 at open throttle.
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