I bought a combination AC,Altenator bracket from P.I.M. the sponsor here on the site.
Had to move the coolant tank to the fuel vapor tank position and buy a couple of steel coolant lines.
Needed a small spacer for the crank pulley to line up with water pump, alternator pulley
Headers
Correct flywheel balance and teeth wise for the new windsor & ZF.
Starter motor I think was different.
Most of the vendors can help you out with the swap