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ZDDP

Found some ZDDP on another site, didn't know about Eastwood having any. Bought about half a dozen single addition bottles. Thought that if I wanted to stay with Mobil 1 I would need the extra ZDDP so got some. Haven't need to change oil since it arrived so I will report anything I learn after trying it out.
 
I use it with castrol gtx HM dino. I only use 1/2 bottle (2 oz.) per oil change since the stuff is kind of expensive and (according to the company's claims) a full bottle brings standard oil back to SF levels. I figure a half bottle has got to bring me to around Sl levels.

I really don't notice a differnce, nor did I expect to. Just a little piece of mind.
 
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