My RV transmission has been running at 210 to 225 on the freeway. I just added a 10" electric fan to the tranny cooler and was surprised to see that my RV still got up to 210 on the freeway. I hear ...
Have you thought about trying one of these Trans Pan. I had one n my 1990 Ford F350 Class C. It increases the amount of fluid, plus has it's own built in cooling unit.
