In order to use a L67 in a RWD application, here is what you need.
A 94-95 Chevy S10 bellhousing
A V8 Mustang T5 (because it can take the torque of the L67) And there are MANY applications of the T5 so be careful of which you choose.
I plan on doing the "same" thing as midgetracr.
Good luck