" From: Ken Ames <ameskg@xxxxxxxxx> " " Quoting russ hathaway <russh97309@xxxxxxxxx>: " " > What year did AMC switch crankshaft designs? They had the big counterweights " > in the early years, then went to smallers weights towards the end. What year " > did they switch over? " > I have a 1980 258 in need of a bottom end and a good 83 crank......Russ " > " AFAIK the change over was between 80 and 81. Not sure if the cranks are " swappable or not. slugs and rods didn't change. stroker guys use them interchangeably without obvious problem. ________________________________________________________________________ Andrew Hay the genius nature internet rambler is to see what all have seen adh@xxxxxxxxxxxxxxxxx and think what none thought _______________________________________________ AMC-list mailing list AMC-list@xxxxxxxxxxxxxxxxx http://list.amc-list.com/listinfo.cgi/amc-list-amc-list.com