Boost dropping when hot

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Feb 18, 2013 | 09:21 PM

lukejw

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Boost dropping when hot

Hey guys I have a 1990 FC 13bt and I'm running my boost at 10psi. The other week it started to drop Down to 5psi when hot and would stay like that till it cooled all the way down.. Any ideas as to what could be causing this?
Luke.

Feb 22, 2013 | 09:43 AM

HRnico

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From: Hood River OR.

are you using a manual boost controller?

Feb 22, 2013 | 10:23 AM

Mr.JTurboII

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From: NJ

when its hot, stuff start to expand, could be a small rip in the couplings, or maybe vaccum lines.

Feb 22, 2013 | 10:28 AM

lukejw

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Yep manual controller ... Thing it is expanding to much?

Feb 22, 2013 | 10:29 AM

lukejw

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Think*

Feb 22, 2013 | 10:30 AM

lukejw

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Are you sure it could be the lines?

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