Max Boost? - Subaru WRX Forum
 
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post #1 of 5 Old 10-06-2004, 01:26 AM Thread Starter
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Max Boost?

I am just wondering what is the max boost you can run on the stock turbo/fuel system before you will hit fuel cut or the inneficiency point of the turbo. Right now i belive i am at about 14.6 psi.
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post #2 of 5 Old 10-06-2004, 12:24 PM
 
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16.5-17 is max on stock turbo.
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post #3 of 5 Old 10-06-2004, 12:25 PM Thread Starter
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but is it safe to run that much boost on teh stock fuel system? Will i hit fuel cut?
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post #4 of 5 Old 10-06-2004, 01:31 PM
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I doubt you'll hit fuel cut. You will probably start knocking and/or run out of fuel before that.
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post #5 of 5 Old 10-06-2004, 01:34 PM
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yeah i agree with cosmo on this one.. with out any EM i wouldnt run 16 to 17 psi.. you would most likely get knock and very high egts.. i wouldnt raise the boost more then 1 to 2 psi without other tuneing.. and really dont raise boost if you have the stock up pipe.
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