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PATC built 6l80e to1200hp

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Old 06-08-2013, 08:49 PM
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Default PATC built 6l80e to1200hp

For sale is a 6l80e out of an '07 Denali that I used when I Swapped to a 6l80e in my '08 GMC 4x4. I popped the tranny a few months back and had my tranny shop put the 1200hp phenix kit in it from PATC. I drove it for a few weeks now it seems it has a crack in the 3-5-R drum which is not apart of the kit. I don't know if it was cracked before and wasn't caught or if I did it. Either way it is a cheap fix and the '10+ year models are supposed to be better. Anyway I'm done with trying to make this 6l80e control the way I want it to from swapping from 4l70e, so I'm ggoing to a 4l80e.

Price for tranny as is 1,500$
Price if I fix it is 2,000 $
All parts from PATC kit are still under warranty for 10 more months!

Also will be selling the wiring harness for the 6l80e swap in a 4wd NNBS, and transfer input shaft that's apart of doing this swap. 200 $
Old 06-08-2013, 09:31 PM
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Offtopic what is needed to do the 6l80 to 4l80 swap?
Old 06-08-2013, 10:24 PM
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I'm still sorting thru that but doesn't seem to be to difficult. I'll post when I do it
Old 06-08-2013, 11:31 PM
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No converter?
Old 06-08-2013, 11:32 PM
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Originally Posted by GMCSIERRA5.3
Offtopic what is needed to do the 6l80 to 4l80 swap?
Get in line for a 6L80E to 4L80E convertion harness.
Old 06-09-2013, 12:39 PM
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I've got a guy local that wants the converter.

And my truck was a 4l70e truck to start with so I don't think it will be to difficult
Old 06-09-2013, 07:37 PM
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I'm sorry to hear that your giving up on the 6L80. I know these 6L80 transmission conversions are a bitch to get 100% but I just hate that 4 speed non shifting feel of any 4 speed automatic transmission. I'm sticking with mine as long as possible.
Old 06-10-2013, 03:30 PM
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I wanted a 6l80e swap on ma truck so bad but hearing all the troubles you have with it working properly i think ill just stick with what i got.
Old 06-10-2013, 04:15 PM
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If it would sort out it would be a killer set up but every time I race it shifts different or converter locks as soon as it hits the next gear
Old 06-10-2013, 04:54 PM
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Would work fine in a truck with 6l80e from the factory tho


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