I would suggest an air locker, flip the switch and she has the front locked, the steering on a solid locked front end is alot different on slick surfaces than a regular front end, plus you could possibly break an axle shaft if you are in 4x4 and have to turn on a dry surface or tear a ball joint out of socket, trust me, I have seen it happen and I got the pictures...
Personally if I was building the 60 from the ground up I would use aftermarket 35 spline shafts in and out, CTM 1480 joints, Warn Gold Series lockouts and a ARB locker...