Quote:
Originally Posted by Tcoat
10 seconds on the ZDDP site gave the answer you seek.
When does a car need ZDDP?
If you own a modern car, built in the 1990s or more recently, there's no need to add ZDDP to your engine oil. Just ensure you use the oil specified by your manufacturer in your owner's manual
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That's funny, says right on the bottle "for use on pre-1989 engines"