Are there any differences between the rocker arms and shafts from an 84 22R vs. an 85 22RE? I need to either take them out of my 84 or 85 and I need to know which 4Runner to start yanking the motor out for my rebuild

Also, what's the best way to clean up the rocker arms. I don't plan on buying new ones with my new EB 268 cam. I've heard emory cloth on the arms?