In the auto trans world, few transmissions can handle the type of power the TH400 can when it's upgraded from stock. Unlike the Powerglide, which is mainly a drag racing trans, the TH400 is a viable ...
As robust as the GM TH400 transmission is, years of aggressive use will still take their toll. High torque, low gearing, and off-road romping can eventually manifest in the form of a cracked ...
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