well $1500 later i got it back. new rad, new external cooler, rerouted the lines, and double flushed the whloe thing. ohh ya dealer threw in a free oil change.ha. drove great for about 2hrs than the vibration came back. iv been driving it localy for about two days now and im feeling a loss of power in the down shift, and rear wheel tork(sp). ideas?? mine is to send it to a tranny shop and have it rebuilt. ????? . can an aftermarket shift kit be installed at this time, and does anyone know where to get one