Posted by Daryl in Oz on Thursday, July 30, 2009 at 23:47:15 :
In Reply to: 251 time line? posted by PERRY on Thursday, July 30, 2009 at 21:43:18 :
Vietnam era M601's used a 230, later export models used a 251. My '71 M601 uses a 251, believe they started with the export M601's in '68.