what is the mechanical difference between the MK 1 and 2 escorts and all the other vertions????

MK1 & 2 Escorts are both RWD all escorts after are FWD.

Nick

MK1 escort uses a lot of old IMPERIAL threads, that are different to the Mk2 Escort

Such as the steering rack tie rods, sierra balljoints dont fit on mk1 but they fit on mk2. Simply cos Ford upgraded to metric