Please come visit our site. It is dedicated to nearly all recent GM automatic transmissions for rear wheel drive vehicles. It mostly deals with identifying them for a swap into an LS powered vehicle. It also gets in depth about the advantages of the transmission over it's TH350 counterpart. There are several sites that deal with this subject, but the goal of this one is to be the one that helps the best. One may also find information regarding what exactly would go into swapping one of these into a muscle car. At the very minimum, the driveshaft will need shortened in almost all situations. Also there is a plethora of information concerning identification of the Powerglide, 200-4R, and TH400 transmission as well.