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Old 02-12-2014, 08:28 PM   #1
gmcrew
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4L80e

I have a 1991 two wheel drive crew with a rebuilt 4L80e in it as a parts truck.
Wondering if it's worth saving this transmission and shelve it as a future donor for my 1991 crew 4x4 with the 4L80e.
Will it mate up to the np205?
Is it plug and play?

Thanks!
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Old 02-12-2014, 09:40 PM   #2
meatwagon83
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Re: 4L80e

from what i understand the aa 4l80e/np205 adapter uses the 2wd trans
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Old 02-13-2014, 12:14 AM   #3
joe231
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Re: 4L80e

Is it a gas engine?
Definitely keep the wiring harness and computer.
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Old 02-14-2014, 02:06 PM   #4
Tdubbyount
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Re: 4L80e

If you dont want it i'd be glad to take it off your hands for you.
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Old 02-15-2014, 08:50 AM   #5
nekkidhillbilly
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Re: 4L80e

id keep it
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Old 02-15-2014, 10:28 PM   #6
v30crewcab
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Re: 4L80e

I think all you got to do is change the tailhousing and it will work. I got one of the 4l80/205 adapters sitting around and its longer than a regular 241 style adapter, like twice as long.
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Old 02-16-2014, 08:28 AM   #7
nekkidhillbilly
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Re: 4L80e

if its like a 60e you can change the tail without rebuilding it. im not a 100% on the 80e though.
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Old 02-16-2014, 03:31 PM   #8
school boy
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Re: 4L80e

my 80e 2wd had the bolt on housing, if im not mistaken they all do. mine was a 92
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Old 02-16-2014, 03:40 PM   #9
nekkidhillbilly
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Re: 4L80e

the housing bolts on a 60e but you still have to rebuild it to get the proper output shaft for 4wd. looks like its the same for the 80e.

http://www.thetruckstop.us/forum/sho...-amp-4wd-4L80E
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