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How do you centerline Graffrig Boost Gauge?

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Old 11-02-2010, 09:35 PM
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Default How do you centerline Graffrig Boost Gauge?

I have one gauge with engine off the gauge is at 1 psi of boost. Is there a way to bring the needle back to 0 with engine off?
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Old 11-03-2010, 10:23 AM
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Send it back to be recalibrated ... or purchase a new gauge .
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Old 11-03-2010, 10:58 AM
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I have seen gauge needles move from rough water. Send it back to be fixed or buy new.
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