[CSX 4027]

This is the one that will solve all problems.
I don't like additives. Never did, never will.
Gibbs = Good/Expensive
Penn = Good/Not found everywhere.....yet
Valvoline = ordered next day at any Napa
http://www.valvoline.com/products/Sp...ing%20Oils.pdf

Originally Posted by rdorman

According to the data sheet: http://www.valvoline.com/products/VR...otor%20Oil.pdf

Yep, but at the very bottom end.

For those of you looking to see if what your favorite oil contains, Google it. ZDDP is a widely discussed topic and part of virtually any oils data sheet.