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06-18-2005, 03:46 AM
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Scooby Newbie
Member#: 89122
Join Date: Jun 2005
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Hydra vacuum question :)
Hi there,
I have just noticed that my off throttle vacumm on my boost gauge (around 4500-2500 rpm, when the throttle is shut) has raised after I fitted the Hydra. Before it was around -550 bar (app 400 mmHg) now it is around -0.9 bar (app 650mmHg).. Does anyone have an idea on this?? Or is there a cure for that  )
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06-18-2005, 10:38 AM
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#2 |
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NASIOC Vendor
Member#: 54918
Join Date: Feb 2004
Location: 673 WHP Element ProComp Engine
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It sounds like you may have had a leak at your boost gauge/fitting. It's normal to see 610 - 650 mm/hg under heavy compression braking. My gauge also read low and I found that the one way valve at the front of the manifold was damaged.
Thanks, Phil www.elementtuning.com |
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