would it be possible to stick a fox .74 on a sig somthin' extra? if not how bout a .61?

figured id ask b4 i spent cash on engine. btw i no ill have to add a ton of weight to tail it its possible to use .74 w/o destroying plane.

-edit-

if i didnt love the somthin' extra somuch id use a plane better suited for the job but oh well.