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Author Topic: Are all th400 transmissions the same?  (Read 5690 times)

Offline ih8mud

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Are all th400 transmissions the same?
« on: December 06, 2005, 06:45:00 pm »
I am considering swapping my th350 for a th400.  I have a np203 transfer case.  I have located an adapter for mating a th400 to a np203 transfer case.  My question is will any th400 work.  Just curious if there is an difference between the 2wd and the 4wd.  I've heard that there is a difference in the length of the output shaft.  I have a 79 chevy long bed pickup truck.

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Offline Lt.Del

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Are all th400 transmissions the same?
« Reply #1 on: December 06, 2005, 05:49:00 pm »
Indeed the size of the transmissions on 4x4's are different.  The shaft length is different (shorter for the 4x4's).

SgtDel

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Offline roundedline

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Re: Are all th400 transmissions the same?
« Reply #2 on: December 06, 2005, 05:56:00 pm »
4WD transmissions are lacking the tailhousing that 2WD tranny has.

Chris Lucas
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Offline Blazin

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Re: Are all th400 transmissions the same?
« Reply #3 on: December 07, 2005, 11:24:00 am »
Not sure about the TH 400s and a 203, but I have a two wheel drive short shaft TH350 mated to a 208 case in my Blazer. I had to remove the tail shaft housing and cut about an 1 1/2" off the output shaft.

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