6.0 and 4L80E issues

[Wagonmaster]

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]

[Wagonmaster]

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

[adam3566]

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....

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Have any more pictures? Looks amazing. I would love to do a project like this in a couple years when I have more time.