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4L60e to 4L80e conversion tuning

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Old Feb 27, 2018 | 08:15 PM
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Default 4L60e to 4L80e conversion tuning

I have a built LQ9 and controller from an Escalade swapped into my Chevelle. I'm good with computers and I own EFIlife with V2, but so far I have always had professionals tune my vehicles.

I swapped out my TH400 for a 4L80e, and my tuner lives 3.5 hours away, so I'd like to make sure the transmission runs and drives without leaks before I haul it to him for final tuning.

He has it running on a speed density tune right now, and the tune file still shows a 4l60e. Can I modify his tune to run with a 4l80e for test drive? Is it as easy as a segment swap, or does it need a whole new tune or maybe operating system? My goal is to do as much as I can so all he has to do is final dyno tune and done.
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Old Feb 27, 2018 | 08:54 PM
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U can run a run a 80e with a 60e tune. Takes a relay to make it work. Google it!
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Old Feb 27, 2018 | 10:19 PM
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Just a segment swap will get you up & running. (with the wiring mods)
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