A dude on twin talk with an America has a website with step-by-step pictures and descriptions. Sorry I forget the name, but I saw it two weeks ago.
A search ought to turn up the thread with the site link.
It's not a stroker if I remember correctly, I think it's a jug swap. Remember the old Triumphs had the Morgo jugs?
For all the hassle I'd skip it. If you need more urge buy a Buell
I'd rather try brain surgery, but a turbo would be easier than more cc's/