Hap Waldrop said:I wrote this for my local car club's website, it based on my real life experiences, it is my opinion but opinions based on my experiences on many race engine tear down inspections, not some engineeering study or hear say. In racing I've been dealing with cam and lifter hardness ratings and oil for longer than most of you have thought about zinc content in oil, so FWIW, here ya go.
https://www.fbccsc.org/tech/zinc.html
PAUL161 said:There are soooooooo many opinions as what is is the best and what is the worst oils for our cars. Here's a no nonsense web site that tells it all. It's called "Motor Oil Myths and Facts" It's good reading and if your halfway interested, I guarantee you'll learn something from it.https://www.nordicgroup.us/oil.htm Motor Oil Myths and Facts![]()