1975 F-250 Hi boy.. That dam thing was a tank and I had a 4 inch lift on it.. 36inch Bias Ground hawgs, 360cid, 4 barel Holley, RV cam, all time 4wd with a divorce transfer case, 4.56 gears, and a home build hydrolic system dump bed ...... I still have it up in Indiana.... My father had it orderd for a farm truck back in the day, its pulled out a combine, a full grain truck and a tractor from the mud in the fields.. I bought it from my father when I recieved my liecence....