anyone runnin rustys trans cooler?i ask this because the other night i went out mudding nothin to bad but i was in 4low for about 30 mins.ion my way home i had to come to a stop on a steep incline to wait for a train when i took off it barely wanted to move, and when i stomped the go pedal it didnt want to shift down or was down and did not want to move barely.got home checked fluid right on the line of being full since i just pulled the pan and replaced filter and fluid.i know i need some gears which are coming next month, but will a cooler help for now.i'm running 93 with roofrack stuffed with high lift spare 35" tire on steel rim, sliders that must weigh 60lbs a piece and some tools,got steel wheels with 35 " tires.