GTDs had mostly a Rover V8 or a Ford Winsor V8. Some had a Ford V6, Cologne or Essex.
Transmissions where mostly a Renault UN1, some upgraded to a ZF later on, or Audi transaxle these days.
T44 Transaxle is hens teeth, you wont find those in a GTD. They where specific original MK2 & MK4.
7.0...