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01-01-2011, 12:36 PM
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#1 |
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Registered User
Join Date: Oct 2008
Location: los angeles ca
Posts: 220
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will a 1981 th400 4x4 trans fit in....
my friend's 1990 Chevy dually. The 1981 trans was mated to a np 208, I believe he has a np 241.
Now I talked to a guy who said the early th400 tailshaft is about 1" longer than the later model (1990) th400. He said or thinks they changed or made the tail shaft 1" longer around 1986-87. Can anyone set me straight before this project hit the wall, Happy New Year and thanks for any help. |
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01-01-2011, 11:58 PM
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#2 |
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Registered User
Join Date: Jul 2009
Location: West Jefferson, OH
Posts: 999
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Re: will a 1981 th400 4x4 trans fit in....
Is it a new body or old body style? If old body, then yes, it should work if you have a compatible cross member.
New body, I'm not too sure. Either way, expect to lengthen/shorten the drive shafts.
__________________
-Andy '77 K5 Blazer '78 K10 Shortbed '78 C20 Suburban '79 K30 Crew Cab Dually '84 C10 Short Stepside '88 K20 Suburban 
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01-02-2011, 09:36 AM
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#3 |
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Senior Member
Join Date: May 2004
Location: Binghamton, NY
Posts: 3,469
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Re: will a 1981 th400 4x4 trans fit in....
__________________
2000 GMC CCSB 454/4L80 6” lift SAS 1999 Chevy CCSB 454/NV4500 4” SAS 1999 GMC Yukon 350/4L60 6" SAS |
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01-06-2011, 05:03 PM
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#4 |
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Senior Member
 Join Date: Mar 2003
Location: Colfax-California
Posts: 8,650
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Re: will a 1981 th400 4x4 trans fit in....
It'll bolt right in. 1990 was the last year of the turbo 400 in the pick-ups. The tail shaft will be correct for the 241. The shafts were the same for the 208 and the 241 as well as the adaptor.
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