![]() Blackstone's standard analysis will tell you what you need to know about the condition of your engine and how it's wearing. The standard analysis costs $25.00 and includes the following: Spectral Exam: Establishes the levels of wear metals, silicon, and additives present in the oil. Also checks for coolant. Viscosity: Determines the grade of oil. Insolubles: Quantifies the percentage of solids present in the oil. Flashpoint: The flashpoint is the temperature at which the vapors from the oil ignite. When the flash is lower than it should be, it shows |