[DeTomaso] ZDDP zinc oil additive

JDeRyke at aol.com JDeRyke at aol.com
Thu Mar 12 15:51:27 EDT 2009


In a message dated 3/12/09 5:40:38 AM, cengles at cox.net writes:

> Anybody know if the synthetics need no additives or if a little "snort" of 
> ZDDP is beneficial in our flat tappet cam engines?
> 
>From what I think I know, synthetic oil is more stable than regular oils at 
very high temps, while cam life depends on extreme rubbing friction reduction. 
The two are not the same- metal soaps like ZDDP and others are better for 
high-pressure rubbing friction but do not last very long at very high temps, from 
all I've heard. FWIW- J Deryke


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