In almost all cases you're going to need to fabricate your own motor mounts....well technically not the mounts, but the engine support arms and possibly the chassis mounting points. The joys of an engine swap include these little engineering and fabrication projects.
I happened to be the one exception to this rule as I was swapping a 617 into a 107 chassis. The 107 and 115 shared the same front subframe so just had to get a set of 115 support arms at the junk yard...sometimes it's better to be lucky than good
