[FC] Oil additive??

[Ben and Lynn Stiles]

FC friends-

I got this from a classic car acquaintance. Does this have merit? Should I 
be worried about what I am running in my FCs? (Havoline 20W 50)

Thanks for any insight. Could the end of enjoying our classic cars really be 
coming?

Ben

> The ZDDPLUS (Zinc/Phosphate) additive is now in stock.  The EPA is
> requiring oil manufacturers to eliminate this additive in lubricating
> oils as it shortens the life of a catalytic converter.  Oils with the
> API rating SM do not have adequate amounts of Zinc and Phosphorus needed
> to prevent the cams & tappets from failure in engines manufactured prior
> to the 1990s.
>
>
>
>
>
>