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bdw18_123 · 07-25-2011

I notice that the Mobil 1 High Mileage product is listed as having 1100 ppm of zinc. Since that is only 100 ppm less than the required 1200 ppm, would this work ok for the LT5?

It doesn't seem like 100 ppm less would make much of a difference. That 15w50 is really high viscosity and although my LT5 does have 140K on it, I'd still rather use the regular viscosity if I could.

Or how about that 5w40 diesel truck oil? It's got the 1200 ppm of zinc. Would it work in the LT5, or is it's formulation too significantly different?

07-25-2011	#12
bdw18_123 Join Date: Apr 2009 Location: Prather, CA Posts: 804	Re: Rizlone ZDDP additive I notice that the Mobil 1 High Mileage product is listed as having 1100 ppm of zinc. Since that is only 100 ppm less than the required 1200 ppm, would this work ok for the LT5? It doesn't seem like 100 ppm less would make much of a difference. That 15w50 is really high viscosity and although my LT5 does have 140K on it, I'd still rather use the regular viscosity if I could. Or how about that 5w40 diesel truck oil? It's got the 1200 ppm of zinc. Would it work in the LT5, or is it's formulation too significantly different? Last edited by bdw18_123; 07-25-2011 at 05:19 AM.