TwinTurbo.NET: Nissan 300ZX forum - Yes, that's normal
Subject
Yes, that's normal
Posted by
Broke_as_****
on July 07, 2008 at 5:52 PM
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In Reply To
Boost test question
posted by Norz
on July 07, 2008 at 05:23 PM
Message
The intake pipes before the turbo are never pressurized during normal operation. So when pressure is applied in a boost leak test air flows backward up the PCV system and pressurizes the crankcase and cylinder heads.
Follow Ups
Boost test question
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Norz
17:23:38 07/07/08
Yes, that's normal -
Broke_as_****
17:52:19 07/07/08
Re: Yes, that's normal
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Norz
18:50:05 07/07/08
So...if you were to cap the pcv's,
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yobobrox
21:22:36 07/07/08
You'd want to make very certain you'd isolated the crankcase
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BobbyT
22:45:17 07/07/08
Weeeell
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Broke_as_****
01:45:22 07/08/08
Just a theoretical question.
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yobobrox
18:56:19 07/08/08
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