1990 Isuzu pu 4x4 engine swap 4ze1, 5 speed manual transmission.
Locked up crank. Lost head gasket was dumb and didn't check the bottom end. Do I try to find a 4ze1 block or b4 diesel, 3800v6 or 3.1L v6? I may have rebuildable 3.1L or 3800. They have not been opened up yet.