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-   -   Thm-400 In G-body (http://www.hotrodders.com/forum/thm-400-g-body-90744.html)

oldsmo 05-31-2006 10:46 PM

Thm-400 In G-body
 
i am about to pull a THM-400 for my g-body. I wanted to know what I have to do for the drive-shaft(lenthwise and do most yokes yous the same u-joints as original)? I will be taking the slip yoke that came with the trans. OH yeah what tail-shaft should I be looking for. I pretty sure when you use a THM-350 you use the 6" tail but I am not to familiar with the 400.. Is the 200r4 torque convertor interchangable.


Thanks for any advise!!!!

jakeshoe 05-31-2006 11:34 PM

You will want the short tailhousing. You're crossmember should work with minor mods, you will need a TH350/TH400 converter, the 200-4R will not interchange.
You also need the larger yoke, 32 spline.

oldsmo 05-31-2006 11:38 PM

damn I knew it. Just paid 400 for my convertor last year. Crossmember is a G-force 2004r/400.

oldsmo 06-03-2006 12:34 AM

Anyone else have any suggestions???

Crosley 06-03-2006 08:14 AM

Quote:

Originally Posted by oldsmo
Anyone else have any suggestions???


For what?

jakeshoe mapped it out for you..... t-400 use the short tail housing unit.

Yoke is larger 32 spline unit.... U-joints depend on what yoke you buy, still may not match your current drive shaft.

Drive shaft will need to be modified

Cross member will need work.

200r4 convert will not work in t-400

oldsmo 06-03-2006 11:05 AM

thanks then Jakeshoe.


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