If you look around for junkers you could probably get a MC21XX cheap. I got mine for $25-50 each. Take them apart, put in a $20 rebuild kit, and throw it on the Jeep. Pretty much any Ford or Mercury with a V6 from the early 70's on will have a MC21XX.
85 CJ7 258, borla header, Team Rush, MC2100 ,optima batt, Warn 8274, agr super box 2 & pump, T5 w/ B&M shifter, centerforce 2, superior 1 piece axles, warn hubs 2.5 in lift, 31" BFG MT
85 CJ7 258, A/C, T176, MC2100, Team Rush, Warn XD8000i, superwinch hubs, 3in lift 31" BFG AT/KO