The motive for developing the GTX was to provide an automatic transmission in a dune buggy. While the Subaru and VW engines are great engines, when put in a buggy they were still connected to a stick shift transmission, and we saw no way to economically change that. After a great deal of research we came to the conclusion that the drive train in many of the GM offerings would work in a buggy. They were plentiful as they were offered in a variety of models, they were reasonably priced, especially in a salvage condition, and technical assistance was readily available. Lastly, it fit within the bodies we were already producing.