Like Bobby said,old tires are pain.I use 1) 2x4x6' 4) 2x4x8". Need a heavy object to use it as counter weight.Take 3pcs of 2x4x8" laid them on the floor on a circular fashion ,then place your wheel on top close to the heavy object (car,wood pile) Take the 6 footer pcs and place a tip under your object,take the small 2x4 left and place it between the long pcs of wood and tire.Before you apply downward force put one of your feet on the opposite end of the tire. A steel round pipe cut to 14"or so then hammer the tip grind it round . That how I change mine old or new.