i THINK it would be a 28 january 63 block? the way i am understanding. but what is the S for the first digit mean? anything? the B must be aluminum block 196 dave stohler www.picasaweb.google.com/das24rules _______________________________________________ Amc-list mailing list Amc-list@xxxxxxxxxxxx http://splatter.wps.com/cgi-bin/mailman/listinfo/amc-list