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Fuel upgrade

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Old Aug 11, 2010, 06:24 AM
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Fuel upgrade
Ok. so im upgrading my fuel system on my car with an ams fuel pressure regulator. cause the other one isnt responding to changes. And so i was wondering how much psi should it be set on if my car is putting out 315 horsepower? thanks
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Old Aug 11, 2010, 06:30 AM
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Originally Posted by clubEVO93
Ok. so im upgrading my fuel system on my car with an ams fuel pressure regulator. cause the other one isnt responding to changes. And so i was wondering how much psi should it be set on if my car is putting out 315 horsepower? thanks
With the vacuum line unplugged it should be between 43 and 45 PSI.


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Old Aug 11, 2010, 06:32 AM
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much thanks man
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Old Aug 11, 2010, 06:32 AM
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What he posted above.

FWIW, these are the stock values for fuel pressure:
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