Actually, the 199,232,258,290,304 all have the same 3.75" bore. It's the stroke that's different. :) Ken Quoting Thomas Garner <Tgarner@xxxxxxxxxxxxxx>: > As for the 258, for the most part it's the same engine with a larger bore. > _______________________________________________ Amc-list mailing list Amc-list@xxxxxxxxxxxx http://splatter.wps.com/cgi-bin/mailman/listinfo/amc-list