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fuel pressure regulator?

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Old Dec 3, 2006 | 05:21 PM
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Default 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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Old Dec 3, 2006 | 05:24 PM
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From: 8.95 @ 168mph. Zero to 1KM 194.1mph
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The early cars only have 380cc injectors, and I would be looking at bigger injectors before buying a FPR.


Mark.
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Old Dec 3, 2006 | 06:02 PM
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sorry need to add, I do have them 440cc injectors
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Old Dec 3, 2006 | 07:41 PM
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From: 8.95 @ 168mph. Zero to 1KM 194.1mph
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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.
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