What about zinc?

shittyslant6 said
Yes, but they still have some stronger detergents and other chemicals that are just better than the car oil ones. That is why I used the lucas stabilizer with it. Zinc is really just an extra lubricant, so I just I used the lucas as the lubricant instead.
That is also why I said if he is uncomfortable with that, zinc additive will never hurt.
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Which is why I prefer oil with ZDDP already in it. Look up Hyper Lube ZDDP additive in the clear bottle. Read the back label. It clearly says "Contains no zinc or phosphorus". So you have to be careful when buying additives. Rather than be careful, I just choose oil with ZDDP already in the mix.