stock TPI fuel pressure?
what should my fuel pressure be at idle on a stock TPI system? i thought it was over 40psi right? i tested mine and its at 35psi all the time. when i rev it up it will spike to about 42psi then go right back to 35psi even if i hold the throttle open at a constant rpm. is that ok or sound like a bad fuel pressure regulator or fuel pump?
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