1973 3C crankcase mods, advice needed.

[Alzero]

Sweet Pat. Re texturing, in the back of my memory I remember reading or being told about someone needing to do the same thing to match the sand casting.

They used very coarse sand paper placed over the smooth surface and went to town with a wooden mallet.

That’s how we hid the altered offset on the cheater clamps we made for AMA racing! Then we wiped the whole clamp with, I think, citrus cleaner to get it all the same color. It was a while ago…..