Ok, thinking about mk1 Focus RS engine transplant into my mk6 Escort gti with a 6-speed ST170 gearbox, not worried too much about tackling issues like fabricating mounts etc but can people point out any glaring issues e.g will I have linkage issues to the gearbox and what I could do to get around it. I know I will need to look at drive shafts, but I can have some made with focus bits at one end and escort bits at the other.

sensible comments welcome.