MissR34 Posted August 24, 2008 Share Posted August 24, 2008 just wanted to know for those that upgraded there fuel pump to a Walbro 500hp/255 L pump, did u upgrade the fuel pressure regulator as well? cheers cara Link to comment https://www.sau.com.au/forums/topic/233150-need-some-help/ Share on other sites More sharing options...
R33S2 Posted August 25, 2008 Share Posted August 25, 2008 I did with a Malpassi unit, it was recommended by my tuner because he had to up the fuel pressure to accomodate the higher boost i was running (18psi) and the stock injectors which wouldnt flow enough at standard pressure. If you are running normal specs it shouldnt matter. Link to comment https://www.sau.com.au/forums/topic/233150-need-some-help/#findComment-4090277 Share on other sites More sharing options...
RusH_ Posted August 25, 2008 Share Posted August 25, 2008 i didnt, my stock fuel pump was gone when i got a major service done shortly after i got the car, so i had them replace it with the Walbro 255l/hr, i have no major mods Link to comment https://www.sau.com.au/forums/topic/233150-need-some-help/#findComment-4090433 Share on other sites More sharing options...
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