Agreed - lucky to be in a position to put oil in... I've had 2 Alfa's. The first one the engine ate itself (despite putting oil in). The second got totalled by some blind idjut pulling out of a minor road on me.
Well, I put Selenia synthetic oil in my modified alfasud and I put a litre in every weekend! (about 200 miles) although, about half of that just leaked out of almost every gasket in the engine even after rebuilding the whole engine!