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  1. Thread: O2 ?

    by C2500
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    3,314

    Dave do you have a pin out pic like above for a...

    Dave do you have a pin out pic like above for a 6395 eco that’s in my truck? Or where can I find one..
    Thanks
  2. Thread: O2 ?

    by C2500
    Replies
    45
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    3,314

    Thanks Dave!!

    Thanks Dave!!
  3. Thread: O2 ?

    by C2500
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    45
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    3,314

    What’s the best way to add a ground to the 3 wire...

    What’s the best way to add a ground to the 3 wire O2?? Ground the exhaust somehow to the frame?
  4. Thread: O2 ?

    by C2500
    Replies
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    3,314

    Ok so where does the 3 wire O2 ground? ECM??

    Ok so where does the 3 wire O2 ground? ECM??
  5. Thread: O2 ?

    by C2500
    Replies
    45
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    3,314

    Is the 4 wire O2 just have an extra chassis...

    Is the 4 wire O2 just have an extra chassis ground? So its not using the exhaust to ground the sensor?
  6. Thread: O2 ?

    by C2500
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    45
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    3,314

    Ok got it so one of the white wires be ground...

    Ok got it so one of the white wires be ground then?
  7. Thread: O2 ?

    by C2500
    Replies
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    3,314

    Correct me if this is not right>TBI uses a NB O2...

    Correct me if this is not right>TBI uses a NB O2 so its rich or lean so if a WB O2 is in the same area of the exhaust that the NB is with a separate controller like a LM 1 what would your advantage...
  8. Thread: O2 ?

    by C2500
    Replies
    45
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    3,314

    I cut a good 3/16 off of the bung and put another...

    I cut a good 3/16 off of the bung and put another bung up from that one that is in more in the flow of the exhaust.. when I get my chip back Ill test it to see if it makes any difference when its...
  9. Thread: O2 ?

    by C2500
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    45
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    3,314

    Well let me retract that this is an aftermarket...

    Well let me retract that this is an aftermarket front pipe with a converter and I’m not sure if its in the same location as original but I do know that the O2 wires are a little taught..
    Any one...
  10. Thread: O2 ?

    by C2500
    Replies
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    3,314

    Yes that’s stock location... No its Ed from fast...

    Yes that’s stock location...
    No its Ed from fast chips...I have heard to stay away from Harris performance..
  11. Thread: O2 ?

    by C2500
    Replies
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    3,314

    Dave it is a 3 wire I should have posted that...

    Dave it is a 3 wire I should have posted that sorry. But I would still think it should work better if its up stream closer to the engine.
  12. Thread: O2 ?

    by C2500
    Replies
    45
    Views
    3,314

    O2 ?

    Iím new here and to TBI tuning so bare with me. After reading threw the O2 placement that EagleMark posted I think I need to move my O2.. I have a 94 c2500 pickup with a 383 in it that I just...
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