A Plea for F3s in Burlington Route Greyback Mar 18, 2018 11:36:09 GMT -5 Quote Select PostDeselect PostLink to PostBack to Top Post by burlingtonroute on Mar 18, 2018 11:36:09 GMT -5 Ill take any of the old MTL CB&Q Greyback shells. A or B. And the F3s that are coming out? I could use those too.