for the box look for a chevy with 4 bolts as they are stronger (better) than a 3 bolt. They will both work for a sagniaw power conversion. you should be able to get the pump from the same vehicle, but you may need a new pulley.
-Mark
80 CJ-7 Laredo 304v8 TF999 3.73's BFG M/T's
-Mark
80 CJ-7 Laredo 304v8 TF999 3.73's BFG M/T's