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Originally Posted by ZER026D
I think there is it might push more PSI witch makes more power. Phil is on stock fuel sytem besides fuel pump.
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Unless you get bigger injectors you're not going to make more power by upgrading the fuel pump. Even then, you really need an engine management setup to take advantage of more fuel. More fuel w/o more air just means you'll run rich and toast your cat(s) w/o really making more power. Upgrading the fuel system is just a step to allow more boost or higher compression to make power w/o popping the motor.