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Sold 96 Gen6 BBC with full harness/ECM/4l80e of your choice.

Has Jon messaged you about this yet? I told him he needs this for your old dually. I'm having trouble getting him to come off the money, lol. I'm even driving around Iowa right now with room in the trailer.
 
That would be a PERFECT place for it though lol.
 
That would be a PERFECT place for it though lol.

Yep. It's been burning a ton of oil on #4 or #6 (I can't remember) and he was talking about rebuilding it. I told him a while ago to just yank it and put in a gen 6 454.
 
Yeah, i'm well over 1000 miles away from this deal but could be tempted if it were closer. A halfway decent 4L80 is impossible to find for me locally.
Probably going to get a reman 4l85 for my '02 burb and refresh the old one to put in the blazer someday, whenever it finally needs it.
 
You mean for just a transmission? I know there's a bunch of stand alone controllers for them, but no idea who likes what one or their features.
 
Seeing what it would take to swap an l29 into my ‘91 V2500 that has a 4l80e. Looking for an 8.1 but the 454 would work too.
 
Seeing what it would take to swap an l29 into my ‘91 V2500 that has a 4l80e. Looking for an 8.1 but the 454 would work too.
I have the same thing in mind. I also have a '91 V2500 with the 4L80e. The TBI 350 isn't cutting it. Love the burb but it doesn't like mountain passes, especially with snowmobiles or my raft trailer.
 
if you have a 4L80 just get a 454 / 4L80 combo wiring and bolt it in and flash the pcm that you get with it .

no need to reinvent the wheel when gm did it factory . you might need to update your early 4L80 internal wiring if it never got done before . otherwise bolt and go plug and play for the most part .

if me i would grab this whole combo and swap it as one and swap t-case to yours and go . newer 4L80 internals and known good working combo with least amount of swap problems . save old as spare or sell it off get money back .

if you do not want to play wiring games here ya go $600.oo bucks plug n play wiring for motor and trans . https://howellefi.com/product/vortec-harness-1996-01-7-4l-sfi-w-4l80e-transmission/
 

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