[Hold on SVT]

do you have to drop your whole engine/tanny or take it out to change your clutch?

 

[Yocrew]

Yes you do.

 

[WD40]

You can leave the engine in the car, as long as it's supported with an engine cradle (or the like).
The tranny however, will have to come out.

There's a "semi" how-to in this thread:
http://www.focusfanatics.com/forum/showthread.php?t=173569

And, another one:
http://www.focusfanatics.com/forum/showthread.php?t=162752