I just changed oil in the 34 roadster & used castrol 20/50 + a qt of MMO. I could not believe how much quieter the engine is. The was a bit of valve noise before now you can hardly hear them.
One of these years I need to get that ***
paint off there. Blue ,green,black, red anything but orange. What do some folk use for common sense,maybe the guy was /is colorblind.