hey and welcome !
i belive people couple their zetec's up with type 9's or mt75 gearbox's. as for bikes i havent a clue!
But to be hohnest, if your planning on getting a mazda based chassis and buying a donor car use the mazda engine
, unless you want to get something even bigger
.
If your doing what im doing, and thats buying lots of bits seperate then you have to have a Q plate i belive, but if you use a donor you will be able to take the plate of that one.
kind regards
Michael