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  1. D

    Fitech running fat

    The afr is tracking but its definately wrong as its smokes and backfires randomly through exhaust. Ive never heard of shorting the + - together. How does that help? Thanks!
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    Fitech running fat

    Where would i find that? I havent seen that parameter in my handheld. Thanks!
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    Fitech running fat

    Thanks. I have done that twice with no change
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    Fitech running fat

    Yes e3s and there is already a return from the tbi to the reg. The system displays its at target afr but still running rich. IACs are 3-4. O2 sensor is 3" behind collector, welded bung. No exhaust leaks anywhere. Thanks for your input!
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    Fitech running fat

    Cam is .578 230 dur 110 sep. Ran great at 13* with carb. I dont see how adding any more pressure than the 46 would help with a rich cond. Thanks for the input! I am about ready to go back carb..
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    Fitech running fat

    Guy at fitech said if that was the case it would throw fault codes and there arent any
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    Fitech running fat

    Its definatly +/- a bit. I have tried to adjust it with no change i will check fuel trim today and see what it is. I am truly at a loss here. Thanks for your time
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    Fitech running fat

    I believe it was around 12.9
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    Fitech running fat

    No power at wot. Sluggish
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    Fitech running fat

    Yes its clocked correct i even removed and cleaned it. Dizzy is not controlled by efi unit.
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    Fitech running fat

  12. D

    Fitech running fat

    Idle. It smokes and pops randomly through exhaust
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    Fitech running fat

    I am! Feel like i just threw 1800$ in the shredder!
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    Fitech running fat

    Yes it is. Says its running at 13.9
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    Fitech running fat

    Ya all that has been done, reset and redone several times
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    Fitech running fat

    Yes the tech guy at fitech said the internal regulator is only capable of suppressing 340lph pumps. Mine is 400 so he said to bypass regulate it down to 43-46lbs.
  17. D

    Fitech running fat

    LONG story ill try to be short. 496 bbc .585 hyd roller cam alum ported chevy heads edelbrock rpm air gap tko 600 9" 3.70 gear ran great with qf 850 carb. switched to fitech 800 mean street. new fuel tank w/400lph pump bypass regulator at 43psi. cant get it to lean out no matter what. back fire...
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