ECON Viscostick
Viscosity is widely regarded as an oils most important characteristic. It is the viscosity that shows the oil’s resistance to flow and the strength of the oil film between surfaces.
The ECON Viscostick gives a simple go/no go result. Typically it will detect 5-10% distillate fuel dilution of an SAE 30 to 40 engine oil as well as increases in viscosity due to oil contamination.