The consensus seems to be "use good dino oil, and add GM EOS."
http://www.gmpartsdirect.com/results.cfm?addtocart=1&addpartnumber=1052367&singlepart=1&partnumber=1052367
62bt7 wrote:
> Found this on google, lots more under "ZDDP".
> Read (shop) till you drop.
>
> http://forums.noria.com/eve/forums/a/tpc/f/616604995/m/3011052071
>
> Kirk Kvam
>
>
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Bob Spidell San Jose, CA bspidell@comcast.net
'67 Austin-Healey 3000 '56 Austin-Healey 100M
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