Jay I'am new to this forum I raced cammer in the late 60's and70's ran crane 660.We had 380lb on the seat 780 open never had a stock rocker go bad.I did brake a few adj's only because I ran the top of the adj down into the rocker pulling the head off had to use a larger lash cap.After I started to use my eng on the street without changing the springs then I broke rockers.I have some rocker from jim B from years ago.I have some rocker that we made out of alum that I have run onthe street all ok.I think you need to get new adj's .My son and I will be looking into making some We will let you know john.
