fill the rad completely with coolant and run the jeep until the t stat opens you'll notice a drop in the coolant level and keep filling until you see no bubbles and a steady flow of coolant. that's what i did just kept adding you'll see the level drop every now and then just add to it.
1993 Jeep Wrangler
4.0L Tom Woods rear HD shaft
D30 w/yukon alloys, lock right, jb4x4 bracket, Rusty's HD tie rod 8.8w/ LSD,SOA xj rear 100" wheelbase, homemade greasable boomerang shackles, SS braided lines, 1" prothane body lift, 35" TrXus M/T, smitty built XRC.
lots of gen right armor and rear stinger.