i know the stock fuel pressure is around 40psi. i just installed my b&m FPR and my gauge reads somewhere close to 50psi at idle. but after test driving it around. it went up to 60psi..is that normal? what is a safe psi or should be at?

 

36-38 psi is stock. so it depends, what mods you got? if ur not boosting thats a little high in my opinion.

 

not boosting yet. but i have no check engine light with this high of psi. what would happen if its too high?

engine is y8 head on z6 block and vafc for vtec.

 

i idle PSI on stock should be 36psi and Wide open Throttle should be around 46psi.

So to similate WOT, Disconnect the vacuume hose going into the FPR. THen adjust it to 46 from there..

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by EVIL_4g_civic_si &raquo;</TD></TR><TR><TD CLASS="quote">not boosting yet. but i have no check engine light with this high of psi. what would happen if its too high?</TD></TR></TABLE>

THen you'll be running rich if it's too high.. you're just dumping a **** load of fuel

 

feels fast though

am i suppose to adjust it with engine running..or should engine be off? hondata says its suppose to be off..but everyone on HT says on.

 

i think you're suppose to do that with the key on the "On" Position. Not with the engine on.

 

it's been said if it's set high enough it causes ur injectors to stick, cause ur puttting to much load in the injector pintile. That will cause ur car to run erraticly and lean over at the end. Then u know what comes after that. Invest on A/F gauge if ur gonna be playing with ur fuel mixture a lot.