How to find a very small boost leak

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va240dude
Posts: 139
Joined: Thu Apr 17, 2008 7:23 am
Car: 1992 S13

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So I've got my SR redtop swap done, and had some boost leak issues, thought i had them all fixed, but now I can't get above 7-8 PSI under load without it cutting back all of a sudden, so I'm 100% its a very small boost leak, because it runs perfect at idle, MAF is good. Anybody have an inexpensive effective way to check for small boost leaks?
Modified by va240dude at 6:54 AM 12/15/2008

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IanS
Posts: 9758
Joined: Thu Dec 23, 2004 3:07 pm
Car: 2002 Subaru WRX, 2010 Subaru Forester XT, 2004 Infiniti G35 Coupe.
Location: Esko, MN
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Search for boost leak tester. There is a write up on how to build one. Its cheap and easy.
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