My '86 Sable has the notorious AXOD tranny. Just recently had it serviced and forgot to have a trans cooler installed. Not a problem as I can do this myself, I just didn't want to. Anyway, I found that there are many size applications but most are universal. Hayden has an 8 row 15.5" x 10" cooler that should fit in front of the radiator, while there are larger RV ones as well. Would this be overkill or is bigger the better if room permits.