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Old 03-19-2009, 12:47 AM   #1
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Default super lean over 5K?

I've had a problem with the fuel pump before, so I bought a stock one from napa like 6 months ago to try and fix the problem, before it would randomly cut out, as if it wasn't getting power, then randomly turn back on, so I changed it and now after driving for an hour or two, once I hit WOT in bogs or sputters like crazy and on my shitty narrow band it doesn't read anything?? I'm in the market for a wideband so I can know exactly what's up, Do you all think I should think about upgrading my fuel setup? IE dual feed rail, bigger injectors, walbro? I'm almost positive it's the pump that's bad but, I will need this stuff down the road anyway. Plus I need to hook up my MS after I get the boom sling and an LC-1!!
thanks!!!

Last edited by p51hellfire; 03-23-2009 at 12:23 AM.
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Old 03-19-2009, 07:41 AM   #2
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A decription of your setup, fuel pressure readings, and wideband readings would be real nice...
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Old 03-19-2009, 09:27 AM   #3
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Stock fuel pump & rail are good for 225 WHP at least, assuming you're running properly sized injectors and not using an AFPR. Of course, you haven't told us anything about your setup...
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Old 03-19-2009, 11:07 AM   #4
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His setup isn't in his signature like everybody else, so does he think we are mind readers?

Hey, if it goes super lean above 5k, then don't go above 5k.

"Doctor, it hurts when I do this."
"Then stop doing that."
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Old 03-19-2009, 11:40 AM   #5
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get a wideband, asshat. I changed fuel pumps because mine died and cut duty cycle in half.
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Old 03-23-2009, 12:17 AM   #6
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Car is stock as far as engine, and i will be getting the fuel pressure reading asap, sorry I didn't mention that, Hustler I'm waiting to see if your buddy has the pump, and I'm working on the WB
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