AFAIK the 2.56 was available in cars only in 1979. Econo ratio for the V8s in Concord and Spirit. I think the Hummer used it too. Ken Quoting Frank Swygert <farna@xxxxxxx>: > I looked a little harder. I had looked in the 76,77, and 78 TSMs and found > nothing. Since Jim said he'd seen it, I decided to look at another year + and > - the years I'd checked. The 79 TSM lists a W code for the AMC 20 -- 2.56, > Twin-Grip not available. Don't know if the earlier TSMS are incorrect (X/Y is > used for 3.08 in the 79 TSM... standard/TG... for 2.56 in 77-78). 79 was the > last year for a V-8 (304) in cars. This was the last year for the 304 (and > 401, only used in Full Size Jeeps). After this only 360s were made for the > FSJs. > > --------------- > Date: Tue, 5 Jul 2011 22:53:28 -0700 > From: Jim Blair<carnuck@xxxxxxxxxxx> > > The M20 I have from a '77 AMX has a W stamped on the boss. I can't recall the > page where those were listed > > > > -- > Frank Swygert > Publisher, "American Motors Cars" > Magazine (AMC) > For all AMC enthusiasts > http://www.amc-mag.com > (free download available!) > > _______________________________________________ > AMC-list mailing list > AMC-list@xxxxxxxxxxxxxxxxx > http://list.amc-list.com/listinfo.cgi/amc-list-amc-list.com > _______________________________________________ AMC-list mailing list AMC-list@xxxxxxxxxxxxxxxxx http://list.amc-list.com/listinfo.cgi/amc-list-amc-list.com