I have a 1994 Dak v-6 AT W/OD. Replaced radiator (1 core only one I could find)new w/p, hd fan clutch, 200k, sensa-trak coil over rears (tb installed) 235/75x15, ball hitch on rear bumper. never towed yet but plan to (sometimes, not routinely) thinking getting Advance A.P. trans cooler (B+M or Imperial or ?? probably $70 + bolts? before coupon. suggestions as to which? to get?Thanks!