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Old 09-13-2007, 08:57 AM   #1
MetalHeadZaid
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FPR/pump questions.

a friend of mine is swaping a VR4 vg63 into his old hatch mirage, and wants to run a walbro 255 fuel pump. he tells me the pump will be getting 13.4 volts, and is confused about how high his fuel pressure will be. i told him that the FPR should sort out any issues with high fuel pressure because that is it's job

basically i'm wondering if he'll need an aftermarket adjustable FPR like a sard for this. he's gonna run a T04E so he'll be needing plenty of fuel.

under what circumstances does somebody need an aftermarket FPR? when the engine needs more fuel OR when the pump is giving more fuel???
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