Anybody using ZDDT in a Commando?

With all the discussion on vintage car (pre 1980) regarding the lack of zinc, etc in modern oil and its inability to lubricate the older engines, is anybody using ZDDP (ZDDPlus) in their Commando?

I use Valvoline VR1 Racing Oil, 50W in my Commandos and 20/50 in my other bikes. It has ZDDP in it and comes in various straight weights and multigrade. See this link:

http://www.valvoline.com/pages/products ... product=50