Wheelbase
*From the factory manuals:
1979-83 short bed 101.77 *
1979-83 long bed 110.24 *
1984-89 4Runner 102.95 *
1984-88 xtra cab 112.20 *
1984-88 single cab short bed 102.95 *
1984-88 single cab long bed 112.20 *
1984-88 double cab real short bed 112.20 *
1990-91 4Runner, 2 door 103.3
1990-95 4Runner, 4 door 103.3
1989-95 short bed 103.3
1989-95 long bed 122.5
1989-95 xtra cab 122.5
1995.5-04 Tacoma 105.3 and 121.9
1996-92 4Runner (taco based) 105.3