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what psi?

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Old Sep 13, 2007 | 08:47 AM
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305EVO
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From: FLA
what psi?
how high can you boost with the stock fuel pump on a evo 9 before it starts to lean out?
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Old Sep 13, 2007 | 08:53 AM
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E\/0IXG$R's Avatar
E\/0IXG$R
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From: NOVA
bump for a good question.
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Old Sep 13, 2007 | 09:07 AM
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From: Chelsea, AL
I run about 26 psi at peak and taper to about 19 psi at 7200. IDC is about 87% at 11.2:1 @ 7200. I've run up to 22 psi at 7000+ and hit around 94% IDC, but that was at 10.7:1 or so.

Does that help?
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Old Sep 13, 2007 | 09:12 AM
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saiyanzzrage
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its cheap insurance, just upgrade the damn thing
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Old Sep 13, 2007 | 10:12 AM
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From: FLA
thanx guys
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