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increase boost?

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Old 07-18-04, 11:06 PM
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increase boost?

got my greddy profec b spec II in. so im wondering how much boost i can increase too on a stock japanese motor with full 3in exhaust, intake, FCD, FPR @ 65psi.

i was kinda hoping to hit 1 bar but right now im only running 0.5

can my stock S5 turbo take that much?
Old 07-18-04, 11:09 PM
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id keep it below 12psi.. what IC are you running? if stock, 12psi max.. if front mount maybe a bit more, but the turbo doesnt like the higher psi much, and will see a shorter life
Old 07-18-04, 11:10 PM
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Don't go over 12 psi on the stock unit, it really can't do much more than that without leading to trouble.
Old 07-18-04, 11:39 PM
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so will that be fine on my stock injectors? with a high flow fuel pump?

yep im on the stock intercooler
Old 07-19-04, 12:17 PM
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Old 07-19-04, 01:52 PM
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with a upgraded pump 12 is fine, dont go higher..
Old 07-19-04, 01:58 PM
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You are saying that 12 PSI is fine without upgraded injectors and just a big fuel pump? Can anyone else confirm this?

-Joe
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