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Intake manifold pressure gauge question

That's not a boost gauge. Its a mani pressure gauge used for vacuum and not positive pressure.

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Old 05-26-2017, 03:24 PM   #1 (permalink)
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That's not a boost gauge. Its a mani pressure gauge used for vacuum and not positive pressure.
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Old 05-26-2017, 04:24 PM   #2 (permalink)
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Originally Posted by TopgunZ View Post
That's not a boost gauge. Its a mani pressure gauge used for vacuum and not positive pressure.
Yea i know but i thought that intake manifold pressure would be positive pressure at least close to my boost pressure? since compressor is feeding directly to intake?
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