ZDDP

Work around engines long enough, and you’ll eventually hear the term ZDDP. That acronym is shorthand for the alphabet soup “zinc dialkyldithiophosphate,” which is a fancy way of saying anti-wear […]

Why can’t I just add a bottle of zinc additive to my oil and then just use regular off-the-shelf oil? Won’t that work just as well as those more expensive […]

Some engine builders like to use API CJ-4 diesel motor oil as a break-in lubricant for new engines. That’s because it contains plenty of zinc (ZDDP) to protect flat-tappet camshafts. […]