1976 4-speed Volare Tranny Question

Are all of the 4-speed manual trannys in 1976 Volares OD, or were some of them non-OD? Looking to upgrade an earlier A-body. Thanks

Yes It should be an od. I believe the ODs are '75-'87
http://www.slantsix.org/articles/4-speeds/ODA833fourspeed1.htm