actually I have another 14 bolt Full Floater setting next to my house . . lol . . . same rear I have but has 3.73's instead of 4.88's . . lol , , , also I have probs with my dana 44 . . .maybe it's just me . . other people running decent size tires and not breaking anything . . .but then again heard of jeeps on 35's running em breaking axles. . . but if all ya gotta do is change the spring cups that ain't bad . . . but with 38's ya will probably end up with 4340 chrome molly axles . . .