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Installed Walbro 255 fuel pump

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Old Jan 17, 2007 | 12:59 PM
  #1  
ringo234's Avatar
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From: So Cal
Car: 89 IROC Z28
Engine: 357 TPI
Transmission: 700R4
Axle/Gears: 3.42 Posi
Installed Walbro 255 fuel pump

I installed a Walbro 255 fuel pump and now my car is running way too rich. I don't think my injectors can take the pressure of the upgraded pump.

Saturday I'm going to have Kevin the Moderator on the So. Cal. board do a custom prom and I hope that will fix the problem, because besides idling rough the smell of gas is awful and my MPG has lost about 30%.
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Old Jan 18, 2007 | 01:33 PM
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Firebat's Avatar
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Maybe it took out your fuel regulator. Its possible that dirt could have gotten into the lines/tank too, maybe.
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