Why not? Aside from fabricating your own motor mounts, I guess that would work. The spark plug hitting the steering box is a problem. You could use a shorty plug like Accel sells, which would give you an extra half inch, but that's still not very good.
I think with the kit you bought, I'd probably try to move the steering box. To the guy who moved their steering box 2", what modifications did you have to do to the steering system to accomodate that?