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Tuning & Engine Management EPROMS, ECU, MAF, knock, EGT, wideband, datalogging, fuel trims, etc. Read this Forum's Strict Guidelines.

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Old 03-13-2005, 10:13 PM   #1 (permalink)
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From: Oak Ridge, New Jersey
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maft tuning/ logs included

i just started getting around to using my maft with 3"gm maf. when i go wot it pulls nice from like 2500-4.5 but from 4.5 up it just doesnt pull any harder. my timing is all sorts of screwed up and im bombarded with too many things to handle right now. can someone tell me wtf is up with my logs...btw these were two short little pulls because i was afraid of blowing up my car, however egt never went over 1350f so im guessing im running a tad rich? i need someone to point me in the right direction. can i start using afc or should i fidaddle with maft more











these logs also might be messed up so i have no clue cause after about an hour of trying to absorb the technique and testing and fiddling i just got fed up with it.
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Old 03-14-2005, 08:40 AM   #2 (permalink)
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Is it just me or does your O2 voltage seem a little lean?


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Old 03-14-2005, 08:54 AM   #3 (permalink)
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i would try to get the low fuel trim at 100 and not 81 % first. The timing looks fine in those logs. They are at 20 degrees which is normal.
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