Thread: Tuning LTFT's

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  1. #1 Tuning LTFT's 
    GTX Level Member Andrew_99GTP's Avatar
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    I am currently in the process of tuning my VE fuel trims. I notice that if I ease into the throttle so that the map kpa slowly increase the trims look pretty good. But if I am at an idle at punch the throttle so the map kpa goes to 70kpa (for and example) the trims are like +6%. Does this matter and why does it happen? If it does matter then how do I tune it out. I am using Eddies table editor, will this tune that out?
    Red 2dr 99 GTP"Old" Z7 t66, A/A IC'd, Custom Heads, 65# Inj, ST2 Cam, Meziere Elec Pump, JP Double Roller(with machined crank gear), Plogs, PLX W/B, Powrtuner SOLD

    "New" 2007 Duramax ccsb with a few mods
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  2. #2 Re: Tuning LTFT's 
    GT Level Member Preotic's Avatar
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    Did you read Jerry's notebook on doing a ve tune? I'm only asking to see that you have set up your bin file correctly to do a ve tune.
    L26,Xp, zzp trans,3.29's,2700 conv, slp headers/catback, diy ported heads/LIM, 3 angle valve job,.052 MLS hg, outlet ported Gen V, 3.6, N*, LQ4, 4" FWI, agx's, ssc's, f-bodys, gmpp sway's +stb's
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  3. #3 Re: Tuning LTFT's 
    GTX Level Member Andrew_99GTP's Avatar
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    Yes that is what I am using to guide me in tuning. I wonder if this problem doesn't have anything to do with AE, should I have maybe set that to 100% so that didn't interfere?
    Red 2dr 99 GTP"Old" Z7 t66, A/A IC'd, Custom Heads, 65# Inj, ST2 Cam, Meziere Elec Pump, JP Double Roller(with machined crank gear), Plogs, PLX W/B, Powrtuner SOLD

    "New" 2007 Duramax ccsb with a few mods
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