Running a WS6 T.A. LS1 with 4L60E in 53 Chev Panel half ton. Mustang 2 IFS and 10bolt 8.5, 3:73's in rear. Plan on a 8 by 16" wheel with P245/55. Thats about 26.6" tall. Question: anyone know expected rpm's in O.D. at speed? Would 3:42's be better? Cheers