06-14-2008, 05:48 PM
on 1980 and older 351m/400 engines you can purchase a 81-83 351m/400 ac clutch its a motorcraft part. it will work with your stock fan and its part # yb-427 . it really makes a cooling difference. i did it when i had my 79 bronco
East Coast Surplus & Tactical
336-674-3868
336-674-3868