| has anyone encountered the flow limit for the stock fpr im running a nismo 279lph pump with the 12v fpcu mod.. with a stock fpr fitted the fuel pressure reg isnt regulating the pressure and its stuck at around 50psi even with the vacuum source on and off !! yet when i add a nismo pressure reg i can adjust it within spec.. i dont want to run higher then normal pressure at idle are there any options tho when running bigger pumps ?
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