fuel pressure regulator?
#1
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fuel pressure regulator?
in which case would i need one? I have a 94 wrx wagon and wish to pump 300bhp out of it, of course i will have a walbro fuel pump, but do i need the FPR?
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You should be able to get 300bhp from 440's, and the Walbro, on the standard reg.
You shouldn't need to increase fuel pressure until you want 330-350bhp.
Mark.
You shouldn't need to increase fuel pressure until you want 330-350bhp.
Mark.
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