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Fuel Pressure Regulator

jkotsa

By jkotsa,
in Engines & Forced Induction

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jkotsa Collaborator

jkotsa

Posted
Posted

Hi all just resently purchased a apexi safc2 and was also given a fuel pressure regulator? Want to know will there be any difference if i install this fuel pressure regulator as well? Doesent the engine already have one? Will it make a difference. ps car is r33 s2regrardsJim

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R31Nismoid Grand Master

R31Nismoid

Posted
Posted

No difference, no performance gain

FYI, with correct injectors you can make over 350rwkw, factory fuel reg, hell, even over 400rwkw.

Regs IMO are only good for the person chasing an extra 20-30rwkw from factory items with a mild upgrade turbo

GeeTR Grand Master

GeeTR

Posted
Posted

I've always wondered the results, of a stock/Nismo adjustable FPR, bench tested (literally) against an aftermarket, larger diaphragm'ed unit like a SX, Magnaflow, Malpassi, Sard etc. I wonder which one would control rail pressure VS inlet pressure the quickest... and if this response time even plays on real world chamber AFR's.

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