9 psi?????

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tubakins
Posts: 144
Joined: Sat Jan 01, 2005 12:46 pm
Car: 89 240sx fastback
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i cant get my SR to boost over 9lbs i have Greddy intercooler and bov and DNA manual boost controller i have tried adjusting the BOV and boost controller but i cant get it to boost any higher and i know my boost gauge is right. any thoughts?

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Silvia007
Posts: 1587
Joined: Thu Jul 25, 2002 6:04 am
Car: 93 Nissan 240SX SE Fastback

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My guess is how the MBC is hooked up. If not, I'd check the MBC itself.
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Nicksemianiw
Posts: 721
Joined: Fri Jan 21, 2005 8:06 pm
Car: JDM 89 Silvia K's

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Check for boost leaks and if you have the time take off the turbo and see if the compressor wheel can spin freely.
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nv240fastback
Posts: 204
Joined: Mon Mar 28, 2005 1:22 am
Car: 1991 Nissan 240SX Fastback

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if you have a type-s or type-rs bov its possible that it could be too loose and leaking boost pressure.
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