Similarly can you show us the UOA that conclusively demonstrate mechanical shearing in the oil?Yes more so on the RS, it was a dedicated track car. But a UOA was done on the truck and it showed the same shearing as the RS but just not as extreme. Are you here to correct me and nit pick? Show me where a repair or warranty issue was denied due to an improper oil was used. Why come on a forum like this if folks are scared about warranty issue if they use “unapproved fluids”.