Quote:
Originally Posted by kwmech
I would have. GM hasn't built that trans in over 25 years. Good cores are getting hard to find
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I would have, too. Spur cut gear trains sell for $200 each wholesale. Angle cut gear trains are an exact replacement, meaning the transmission could have been switched to a standard TH400 with a spur cut gear train left over to help cover the cost of the rebuild.
TH475s all had spur cut gears. All came in heavy duty applications. All tend to be noisy, but never have problems with gears cutting into the cages which is a problem in heavy duty applications. All are nothing more than a TH400 or TH375C with spur cut gears.