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  1. #1 Re: e85 mixing no mods 
    GTPpower
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    Default 12-17-2013
    Quote Originally Posted by Anthony Smith View Post
    The question remains what have you done about the fact that ethanol runs ~30% leaner than gasoline? You are playing a guessing game of how much ethanol/gasoline is in the tank at any given time by mixing and matching and on top of that it sounds like you dont have a tune to properly adjust your air fuel ratio to compensate. So far youve been lucky that your fuel trims went far enough quick enough to make it not lean out and melt a piston. Also your stock narrowband oxygen sensor can only accurately measure stoich NOT air/fuel ratio so when your on the throttle hard and it needs to be richer than stoich the fuel trims are just locking in at who knows whatever random number they come up with at that time. Good luck....
    Trims don't lock on at a random number. They lock on at the last value it was using before it goes into pe. Hence why this is fine....not optimal, but ok for a bolt on car.
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  2. #2 Re: e85 mixing no mods 
    Anthony Smith
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    Default 12-17-2013
    Quote Originally Posted by GTPpower View Post
    Trims don't lock on at a random number. They lock on at the last value it was using before it goes into pe.
    ahhhahahahhhhaaaa thats funny. If that worked correctly and it were only that simple, tuning would be so much easier.


    like I said good luck, you need it...thats what your running on.
    1999 GTP Coupe ------ Comp Cam 76-802-9, 2.7" pulley, S2IC, N*, FWI, SD Headers, DHP Tune, Built trans (single 3.29s, 300m), Magnaflow Catback, 60#injectors, E85, MT ET Street DR's, Fbody brakes, PRJ pump/rails. 302whp/328ft-lbs.......12.41@110mph
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  3. #3 Re: e85 mixing no mods 
    blueguy
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    Default 12-17-2013
    Quote Originally Posted by Anthony Smith View Post
    ahhhahahahhhhaaaa thats funny. If that worked correctly and it were only that simple, tuning would be so much easier.


    like I said good luck, you need it...thats what your running on.
    lulllll.

    Guy.

    Like Nick has never tuned a car before.

    *in4awesomereply*.
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  4. #4 Re: e85 mixing no mods 
    GTPpower
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    Default 12-17-2013
    Quote Originally Posted by blueguy View Post
    lulllll.

    Guy.

    Like Nick has never tuned a car before.

    *in4awesomereply*.


    Didn't we used to be able to "like" posts on here?


    2001 GTP Drag Car - XPZ, Tischler heads, Upsidedown M90 IC'd, e85, Gen V, 2.3 w/ 5%OD
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  5. #5 Re: e85 mixing no mods 
    GTPpower
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    Default 12-17-2013
    Quote Originally Posted by Anthony Smith View Post
    ahhhahahahhhhaaaa thats funny. If that worked correctly and it were only that simple, tuning would be so much easier.


    like I said good luck, you need it...thats what your running on.
    LOL...so you think trims lock on to a random number?


    2001 GTP Drag Car - XPZ, Tischler heads, Upsidedown M90 IC'd, e85, Gen V, 2.3 w/ 5%OD
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