I've been told that not all guts will fit in all MTX casings though....?
Not sure if that is true but a well known zetec builder said it when I asked about clutches.
Also, I can imagine it being quite full on stripping and rebuilding the gearboxes , are there any good places I could take the boxes to get it done??

I dont have any gearbox tools or experience rebuilding them... but would have a go if there is any good threads on it lol