I look at ebay cougars from time to time when I am bored, and I came across this:
https://www.ebay.com/itm/1983-Mercury-Cougar/283019192388?_trkparms=aid%3D111001%26algo%3DREC.SEED%26ao%3D1%26asc%3D20160908105057%26meid%3Dedb899317e664de5a8fd3f939e3c63ba%26pid%3D100675%26rk%3D2%26rkt%3D15%26sd%3D283004588074%26itm%3D283019192388&_trksid=p2481888.c100675.m4236&_trkparms=pageci%3A37df62df-7a02-11e8-b049-74dbd1807f74%7Cparentrq%3A412149f71640ac3d2c0efbd6fff83554%7Ciid%3A1 (http://"https://www.ebay.com/itm/1983-Mercury-Cougar/283019192388?_trkparms=aid%3D111001%26algo%3DREC.SEED%26ao%3D1%26asc%3D20160908105057%26meid%3Dedb899317e664de5a8fd3f939e3c63ba%26pid%3D100675%26rk%3D2%26rkt%3D15%26sd%3D283004588074%26itm%3D283019192388&_trksid=p2481888.c100675.m4236&_trkparms=pageci%3A37df62df-7a02-11e8-b049-74dbd1807f74%7Cparentrq%3A412149f71640ac3d2c0efbd6fff83554%7Ciid%3A1")
It's a 1983 Cougar with the 3.8. But if you look at the cluster it has the "OD" on the gear selector. What do you think? Cluster swap? Because I didn't think you could get an AOD with the 3.8 until 1988. I know the 5.0 had AOD though. That's why I am thinking cluster swap.
It may have been an option. I've never seen anything official on that, but 1983 was a strange model year for the Cougar so anything is possible. The AOD was an option for the 3.8L in 1986, then standard in 1987-on. But I have to admit, I've seen earlier V6 cars with the AOD before and it sure looked factory. Only way to really tell is the door tag (or build sheet if available).
My 83 3.8 had an aod. I never did confirm before it got wrecked, but I'm pretty sure it had 2.73 gears as well. Every other v6 I had before was a 3.08 gear or.
Huh, learn something new every day!
The 84 shop manual shows the AOD an option for the 3.8L.
The sales brochures always listed an AOD as an option with the 3.8 from '83 to '86. The AOD might have become standard on the 3.8 after '86. Somewhere between '86 and '86 the AOD became the only trans available with the 5.0 on the Cougars.
Pretty sure the aod was the only trans option on the 302.
My '86 3.8/C5 also has 2.73's.