Quote:
Originally Posted by Signman
The key would be to find out why Mobil 1 is giving up therefore needing the Zinc.
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See if you can find a current listing of the ZDDP content of the Mobil 1 you are using. Everybody has so many different oils available for different applications at the same viscosity that it difficult to keep track of what's what.
I use Amsoil which has a variety of high ZDDP (zinc) oils available, including their Dominator, Z-Rod lines and some of their diesel oils.
Although some people do it, I wouldn't feel comfortable playing "chemist" and trying to modify an oil.
PM sent.