Why not?? Diesel engines should certainly be offered for the Gavril D series, and why not throw in Diesels for the Roamer too? It just makes sense. *cough* 7.3L Powerstroke *cough*
It's coming in the future. Use the search bar, quit blowing up suggestion threads with things already suggested, and stop bumping dead threads. Sorry if I sound like an @$$hole but I mean it's just common courtesy...
You know this is JUST a thing about adding a new torque curve to new engines as an option, right? its literally one of the easier things to mod in.