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can't boost over 28psi help help

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Old Aug 22, 2008 | 07:52 AM
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speedy evo
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can't boost over 28psi help help
i have a t67 25g turbo kit on my car and it just wont boost over 28psi does anyone know why and i am using buschurracing mbc it just wont go over that.
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Old Aug 22, 2008 | 07:56 AM
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Warrtalon
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We would need far more details than what you've given us.
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Old Aug 22, 2008 | 08:00 AM
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stock ecu? BOV setup?
boost leak?
^^just pm warrtalon and get it over with.
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Old Aug 22, 2008 | 08:01 AM
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i mods are hks 272/272, rebuilt head, 255 fuel pump, aem ems, meth injection, super tech value spring and retainer, mbc and a 3'tbe, 1000cc injector.
Last edited by speedy evo; Aug 22, 2008 at 08:04 AM.
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Old Aug 22, 2008 | 08:13 AM
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Test pipe or high flow cat?
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Old Aug 22, 2008 | 08:16 AM
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Originally Posted by wkehn
Test pipe or high flow cat?
test pipe.
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Old Aug 22, 2008 | 08:24 AM
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What BOV/DV?
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Old Aug 22, 2008 | 08:26 AM
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..
Last edited by evo8nfs; Aug 22, 2008 at 08:29 AM. Reason: double post..
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Old Aug 22, 2008 | 08:26 AM
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Originally Posted by markymark1082
What BOV/DV?
greddy rs bov
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Old Aug 22, 2008 | 08:28 AM
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sounds like you need a bigger boost selenoid
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Old Aug 22, 2008 | 08:37 AM
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You will most likely need to swap out the spring in your wastegate for a higher pressure one. Do you know which color is currently in your setup?
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Old Aug 22, 2008 | 08:43 AM
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Originally Posted by rgeier11
You will most likely need to swap out the spring in your wastegate for a higher pressure one. Do you know which color is currently in your setup?
i did change that too the color is red it was blue b4
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Old Aug 22, 2008 | 10:52 AM
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I had to upgrade to dual springs in my Tial 44mm to get past 28psi
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Old Aug 22, 2008 | 10:59 AM
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Originally Posted by EVO8_PR
I had to upgrade to dual springs in my Tial 44mm to get past 28psi
i did upgrade that already.
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Old Aug 22, 2008 | 11:44 AM
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Well its sounds like it's possible your BOV or your MBC.
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