The answer is "NO", you would have to swap the engine too...
Seriously? Do you guy's just make this stuff up as you go along? Do you have any evidence to back up your answer?
eh! stop giving out wrong info people! If you dont know, then dont give advice.
The Zetec and SPI & 1.9 have the same bell housing. (many other ford blocks do to, 1.6 CVH, both tempo 2.3 and OHV 2.3, and Valcan 3.0 and I'm sure there's more)
Tin_maddong is right, auto is the same damn tranny!
Gigaherz did the swap to a MTX-75, he did a few other things to at the same time to, but IIRC the tranny swap was straight forward.
The only problems you'd come across is: If you need to use the Zetec flywheel, it uses larger hardware then the CVH, you'd have to find some shims/bushings for the CVH flywheel bolts.
And I dont know if the focus SPI halfshaft mounting on the block is the same as the Zetec.
Axles and spindals should not be a problem.