as on the other thread - it
might do OK for occasional light use [10" is about the smallest made], but having no GVW rating on it I'd be leery of taking a chance - also, what happens in hot weather [if you get any

] when you're stuck in traffic and there's no air flow around the unit? your best bet would be to have a tube and fin unit in front of the rad ... check some of
Derales tube and fin types, or look into PermaCool or
TransLife, check your local parts stores and see what they carry, find something that has a rating, at least 9-10,000 GVW, too much is OK, not enough is grief .... and make sure whichever way you go to have a trans oil temp gauge
Bill