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6.0 and 4L80E issues

This is a discussion on 6.0 and 4L80E issues within the Classic Muscle forums, part of the Vehicle Specific category; Just finished the LQ4/4L80E install in my '39 Chevy. Runs great, still sorting things out, including a shorty header leak. ...

  1. #1
    Junior Member Wagonmaster's Avatar
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    Black Cherry
    1939 Chevrolet

    Cool 6.0 and 4L80E issues

    Just finished the LQ4/4L80E install in my '39 Chevy. Runs great, still sorting things out, including a shorty header leak. One nagging issue is that the trans seems to "hunt" and constantly shifts up and down, up and down at low speeds with light throttle application. Push on the gas and it's fine...Cruise at 5--60+ and so far no issues, but I haven't had it that fast except once or twice after I left the muffler shop and got my 02 sensors installed....

    [IMG][/IMG]

  2. #2
    Junior Member Wagonmaster's Avatar
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    Black Cherry
    1939 Chevrolet

    No speedo will cause this problem. Have ordered an electronic speedo to handle it.

  3. #3
    Member adam3566's Avatar
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    black Silver
    06 silverado/ 06 C6

    Quote Originally Posted by Wagonmaster View Post
    Just finished the LQ4/4L80E install in my '39 Chevy. Runs great, still sorting things out, including a shorty header leak. One nagging issue is that the trans seems to "hunt" and constantly shifts up and down, up and down at low speeds with light throttle application. Push on the gas and it's fine...Cruise at 5--60+ and so far no issues, but I haven't had it that fast except once or twice after I left the muffler shop and got my 02 sensors installed....

    Click for full size[/thumb]
    Have any more pictures? Looks amazing. I would love to do a project like this in a couple years when I have more time.

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