[Mgb-v8] Kendall Oil

[cgmoog at attglobal.net]

I've been away from it for awhile but I thought the ZDDP levels set by 
API varied by oil weight so that a weight not currently used by the OEM 
auto manufacturers could have a higher allowable ZDDP level.

Deikis, John G wrote:
> Maximum ZDDP levels are specified by the industry standards (currently
> "SM") promulgated by the API, an industry group. ...

...
  If the Kendall bottle displays the API donut
> and says anything "above" service SJ, the guy is just blowing smoke.