by replacing the pump to a walburo 255 you will increas your amount of fuel and it will help a bit you will get more flow to your injectors but they will still only deliver so much fuel, you will get a little more per duty cycle % and it should drop in if anything you might need to do a trim on the ring the pump mounts on. but thats easy enough. I've done a few subie fuel pumps let me know if you need a hand
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