Re: [Chrysler300] ZDDP re-visited-the bottom line

[paulholm@xxxxxxxxxxxxx]

Opps, here is a copy of my inquiry:

There is a raging debate with serious words being fired across the wires with my car club membership.
A fair number of our cars are from 1955 to 1965 and a strong percentage of them were originally built with solid lifter camshafts, 80% plus.
Modern Oils are being blamed for the death of flat tappet cams right and left. A suggested cause has been the reduction in zink additives in new motor oils as mandated by the USA EPA. ZDDP has been bandied about as a term associated with this. Some members have taken to using Shell Rotella T oil to gain back the protection properties needed.
Does Shell Rotella T contain enough ZDDP to protect as the oils of the 50's and 60's did in this application?
Thanks



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I tried to keep it simple, and straight to the point, as well as convey
a measure of 'Please respond'
 
--
Paul Holmgren
2 57 300-C's in Indy
Hoosier Corps #L6


[Non-text portions of this message have been removed]


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