Re: TH400 question
what engine ? and all you should have to do is shorten your existing driveshaft....Are you building a high performance race truck or a towing truck? If not you should go to the 700r4 for the street......it will get you lots better fuel mileage....and it will have the same performance in 1-3 at the th400......then it can still shift into OD for fuel mileage
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