04-08-2019, 12:12 PM
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#27 (permalink)
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Track Member
Join Date: Dec 2015
Location: South Carolina
Posts: 699
Drives: 2017 nismo 370z
Rep Power: 3377
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Quote:
Originally Posted by SS_Firehawk
Fuel needs to be at 51psi. Your stock fuel pressure regulator isn't keeping up. Definitely need to switch to a return style. I highly recommend you buy a complete fuel return kit and not piece it together. It's an *** pain. Charles (Phunk) at CJM is my lone recommendation
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Stock fuel pressure is at 51 ... but any kit that isn’t using a fuel return will see pressure drop .. and is made up with duty cycle ... and I agree a return system should be installed but 40 psi with 1000cc injectors at 85-90% duty cycle should still support 14-15 lbs boost
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