I have heard many times that Moly can be filtered out, especially when a high density filter (like a "Pro 1"). Edit: "Pure 1" not Pro 1. Not sure about Zinc/Phosphorous though.

And I know Comp Cams additive is a megadose of Moly, not zinc.

Last edited by Pacnorthcuda; 01/04/09 01:44 PM.