Last analysis on my Frantz equipped '02 Silicon was at 8 ppm - 5000 miles on Delo 400 15/40 - lotsa towing...
I now have 10,000 miles on that same oil, will do another analysis at 15,000 - would do it sooner, but we're in the process of moving to Oregon from here in California, and won't have time to do an analysis sampling until after the move...
I now have 10,000 miles on that same oil, will do another analysis at 15,000 - would do it sooner, but we're in the process of moving to Oregon from here in California, and won't have time to do an analysis sampling until after the move...