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Maximum Boost

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Old Apr 14, 2008, 05:37 AM
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Maximum Boost

What is the Maximum Boost you can run on your Stock EVO IX MR?
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Old Apr 14, 2008, 05:37 AM
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50lbs
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Old Apr 14, 2008, 05:41 AM
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^ LOL OP with or without meth?

Josh

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Old Apr 14, 2008, 06:20 AM
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Ohh boy.

If you're untuned, don't turn the boost up. If you have a tuner, he or she will tell you what to turn it to. Usually not more than 23 PSI with stock turbo, no meth, 93 pump.
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Old Apr 14, 2008, 06:23 AM
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I would turn it up to 20psi on a mbc, call it a day.
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Old Apr 14, 2008, 07:31 AM
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you can turn it up to 25psi, just see how high before you car knocks. 23psi is conservative, 25psi would be a good.
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Old Apr 14, 2008, 10:11 AM
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i beleive the max for the stock turbo is around like 32psi.... not 100 percent sure. but that is the MAX, highly recommend you dont run that kind of boost
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Old Apr 14, 2008, 10:17 AM
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Originally Posted by lemmonhead
you can turn it up to 25psi, just see how high before you car knocks. 23psi is conservative, 25psi would be a good.
True..I am holding 23-24 with a mid 25's spike and zero knock on 93 octane. It depends on the tune.
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Old Apr 14, 2008, 10:24 AM
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OP: race or pump gas?
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Old Apr 14, 2008, 10:27 AM
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I just got retuned this weekend by 4WS. I'm currently running 25psi but I have the mods to support it. If you are looking to turn up the boost without a tune I wouldnt do it. If you must do so then I would do no more than 20 psi.

If you are getting tuned and just need to know the max boost with no mods you need to just shoot for as much as you can with no knock.
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Old Apr 14, 2008, 10:40 AM
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