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4WD ECSB 4L80E Conversion Questions

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Old 12-05-2008 | 08:03 PM
  #11  
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Originally Posted by LMSeven
What about '91 and up?
SOME will work but they need to have the mounting bosses for the neutral safety switch....

Also all pre 97 trans will have no bolt hole in the top of the case, and both cooler ports will be up front
Old 12-05-2008 | 09:10 PM
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Originally Posted by Wilde Racing
SOME will work but they need to have the mounting bosses for the neutral safety switch....
I mildly regret buying one out of a 94 c2500 right now...

edit: searched around some more, doesn't seem too bad... definitely glad I didn't get a 91-93. btw I think you have a post in every 4l80 thread on the site Can you tell which bosses will work with a few a pics? I hate trans ****, it's the whole reason I'm swapping to an 80e...I don't wanna mess with this crap again.

Last edited by LMSeven; 12-05-2008 at 09:44 PM.
Old 12-05-2008 | 10:46 PM
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Originally Posted by LMSeven
I mildly regret buying one out of a 94 c2500 right now...

edit: searched around some more, doesn't seem too bad... definitely glad I didn't get a 91-93. btw I think you have a post in every 4l80 thread on the site Can you tell which bosses will work with a few a pics? I hate trans ****, it's the whole reason I'm swapping to an 80e...I don't wanna mess with this crap again.

lol, yea I love trans threads


With mounting tabs


With-out

Old 12-05-2008 | 11:18 PM
  #14  
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Well I guess that's good news

I scored mine on E bay for $300 + S&H, I've gotta get it taken apart and see what needs replaced. It spins in gear, immobile in park, and the input shaft is solid, that's about all I know so far lol. Thanks for the help
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