Walbro 255lph Fuel Pump
#6
Re:Walbro 255lph Fuel Pump
it'll definitely run a little bit richer. I did it in my integra and the a/f went from a 14.3 to a 10.0 just from the pump. I think if you put bigger fuel returns you'll aviod the problem but who cares. lean it out with more boost
#7
Re:Walbro 255lph Fuel Pump
----, well its installed already. not much i can do about it now. and to whoever said to lean it out with boost....if you read my question, i was asking about installing it before boosting. well yeah, i guess it will be running rich. as soon as my safc gets here, ill lean it all out. does anyone have any recommendations as far as how much to lean it out across the rpm range to get it back to running like stock?
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