Re: Oil testing
They will sent you a free sample kit.
I did my first on my last oil change(5000 mile), and I plan on doing my next at 6000 miles when I change the oil again.
, Total Base number, what very good meaning that the oil has not become acidic and the life of the oil can be extended.
They will give you a written recommendation based on your results as well.
2003 F-350 4x4 SC 7.3, WOP QSSB Turbo, Isspro Gauges, MBRP 4 inch, AFE Stage II, , DP Tuned Stock, HI, 40t, 60t, 80t, 80e, 120R, 140ex, 6.0 Trans Cooler, 08 Tow Mirrors, 35in Kumho Mts
1993 International 4600 Dump, 7.3 IDI