The rock crawler crowd loves the 420 for a lot of the games they play. We also used them in the super stock truck classes in the tractor pulling game, and I don't remember too many hand grenaded transmissions. Unless you're running big slicks and treating every stoplight like a drag strip, there shouldn't be any problems.
Jerry

Last edited by Hotrod Lincoln; 03/17/2014 3:13 PM.
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