as the topic said, i've got my 2.2ecotec from an 03 cavalier, have cpu, and pcm's all the other crap like alt ect not running an ac unit, how ever my cav is a 00 automatic and i know i need to do welding for the 5speed and install a clutch ect ect the list goes on the swap wont be going on till i have all parts

what i need to know is, what tranny am i looking for part number specs and what is the best tranny for an 03 eco. yes i have searched around but can't find anything solid

thanks

03-05 ecotec transmission is the only one you can use.