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fuel pump or not

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trbotaln

15+ Year Contributor
633
9
Sep 7, 2004
hidden hills, California
whats up,
when I log my car in third gear I get an O2 voltage of .95 and it stays on that consistant.
I am getting good timing (20) but I was wondering if you guys think that might be a little bit lean. I have a 3000 gt vr4 fuel pump but I haven't installed it yet. Do you think that I should put in the fuel pump, and if I do will my O2 voltage go up a little bit?


also I am still on the T25 but I am soom upgrading to a 14b :talon:
 
Ignore your O2 voltage, it's useless on 2g's. Go with what gives the best timing. I see O2's of .82 to .84 when tuned for best timing and it still leaves a small trail of fuel smoke. Obviously not too lean since I've got probably 8-10 hours of hard running on a road course this year in that state of tune.
 
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