ZDDP Additives

["Hall, Ricky L" <ricky.l.hall@xxxxxxxxxx>]

What brands zinc & phosphorous (ZDDP) additives are you guys using at every oil change, if any? 

 

I have a mild cam on the shelf from Gary P.  (.435 lift x 256 duration by Schneider Cams vs stock .390/.400 lift x 240 duration).  It came with Schneider Cams break-in ZDDP additive and cam lube ZDDP assembly paste, which got me thinking if running Rotella T diesel engine oil is enough, even after break-in.

 

http://schneidercams.com/engineadditives.aspx

 

http://schneidercams.com/256Fpolysolid.aspx

 

Been reading a bit to determine if running Rotella T is enough for even a stock to mild flat tappet Poly.  Contrary to some beliefs, the latest CJ-4 rated Rotella T does still have 1,200+ ppm ZDDP.  This can be seen in virgin oil analysis on sites like Bobistheoilguy.

 

This site, while clearly a marketing tool for their ZDDP product - explains in clear language the need for ZDDP - and why diesel engine oil may not be the best choice.

 

http://zddplus.com/about-us/tech-briefs/

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