A big block and small block bellhousing and everything is the same, location they bolt in the car. The difference is I wouldn't run a bellhousing with a small flywheel, I'm running a 60's corvette bellhousing with a I wanna say 12" flywheel and clutch..... You still planning on running a T5? I worry about breaking my Muncie with my engine, i wouldn't want to do all the work of putting the T5 into to break it, my .02