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Type: Posts; User: j.sim

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    4l80e slipping need help diagnosing

    6.0l with btr stage 4 truck cam

    1)its not the stock tranny to motor its a junkyard tranny Do i need program it?it seems to work it just slips in every gear.
    2)its also still stock convertor i...
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    Thank you, I will have wideband in shortly. Will...

    Thank you, I will have wideband in shortly. Will look into that tutorial it looks helpful
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    108170108171

    108170108171
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    new to tuning and need help

    6.0l 4l80e 317 heads with a btr stage 4 truck cam springs and push rods 224/230 .553 .553 109lsa
    no cat, no downsream o2 sensors,
    seems like its running rich, it stumbles when try to give it gas....
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