Adding Bronze Bushings to Ductile Iron Rockers

Oh ya, and I ran those weakened fragile bushed W2 rockers for 8 years, shifting at 7500 with 670 lbs spring pressure over the nose and thousands of street miles with 4.89 gears. Must have been real lucky, because not one of them broke. They held up better then the Comp roller lifters link bar that broke and took out the cam, oil pump and bearings. Then there are the 4 Indy rockers non bushed that snapped just driving along at 2500 to 3000 rpm in my current 416 while cruising with 4.10 gears.