I just found a site that answers it for me
http://www.babcox.com/editorial/ar/ar400108.htm
It says 83-84 has the same crank as the 85-94 but thats all that was the same.


1987 4Runner SR5,SAS,6 inches of lift,35in BFG's,Welded Front,Detroit E-Z locker V-6 Rear, 5.29's