fuel pressure question

[markc32]

so the stock fuel pressure for the rb26 is 36-43 psi according to the fsm....

ok its 36psi at idle and 43 psi vacuum to regulator disconnected....43 pis ign on only

and whats the fuel pressure say close to redline?

thanks

[RWDragoon]

Depends on your boost level. Ideally your fuel pressure regulator is "Rising Rate" Which means for every 1psi of boost, you should get a fuel pressure increase of 1psi

[Skym]

As far as I know stock FPR is 1:1 rising rate.