If the shafts are scored, most of your oil won't make it up to the little holes on the top. It leaks out through the bottom, around the gaps. If the shafts are scored, the rockers my be worn also. They are much harder metal than the shafts, so it is still possible that they may be OK.
Carl

1952 5-window - return to "as built" condition | 1950 3100 with a 235 and a T-5 transmission