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Thread: Nonpro-touring related 4l80e?
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03-08-2006 #1
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Nonpro-touring related 4l80e?
I have a 99 vortec 454/2wd 4l80e that I want to install in my winter toy 91 k5 Jimmy 4x4. Does anyone know if I can go to Chevy for the piece that goes between the trans and the tranfer case? The T-case is an NP241. I know I will need to have the output shaft swapped.
Has anyone done anything like this?
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03-09-2006 #2
Full Blown G-Machiner
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Im not aware of any GM xfer case to trans adaptor that will bolt that xfer case to an 80E. There are a hand full of companies that offer conversion kits from a Th350/700R4 to an TH400 which is the same as the 80E as far as the components you need (output shaft/tail housing bolt pattern, etc).
Heres one that Im aware of and Im sure Advanced Adaptors has something as well.
http://www.powerandperformancenews.c...Category_Code=
HTHGMC Syclone (currently wrecked thanks to the typical rubber headed VA driver not paying attention to his red stop light...oh and he didnt have insurance either)
#614 11.9 @ 113
New stuff finished 08/06:
4L80E trans w/TCI PCM
Front: J&S UCA/LCA, QA1 coil overs
Rear: Caltracks/Belltech drop leaves
Empire drive line alum drive shaft
Polished 17x9 F/17x11 R ZR1s with 275s/315s
Syclone
Tow rig
03-09-2006 #3
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I put a 4l80e behind a 205 t-case. took minor machining to get the register ring to seat on the gm adapter. upgrade to the 205 case much better unit.
03-19-2006 #4
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I agree that the 205 is a much better T case, what I would aso sugjest is that you look up advanced adapters because I would almost bet cash money that they make the piece you need to addapt the 2 and it would be a bolt in. Good luck with the blazer, sounds like it will be a nice rig. I actually have a 89 myself, I love the things.
03-19-2006 #5
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I appreciate the advice. I think I will stay with the 241 for now. I don't do any rock crawling, nor will I put bigger than 33" tires on the truck, so I don't think I need the stronger cast iron 205.
I don't see any 241 to 4l80e adapters on advance's web site, but I think the late model trucks had 4l80es and 241s.
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