This Advisory is irilended to bring to light questions fleet maintenance managers should keep in mind when considering tile use of diesel fuel additives. This will assist in making intelligent choices in the selection of fuel additives. If yes, specify compound and amount. These acids, when introduced into the crankcase through downward blow-by, rapidly deplete the lubricating oil additive package to form sludge in addition to their corrosive effect on all metallic engine components. Reduced viscosity may accelerate fuel pump and injector wear rates from lowering of Ihe inherent lubricity of the fuel.
Flash point is the measure of the ignition point.
Many of the competitive products reduce the flash point of the fuel which results in preignition and loss of power. Cetane is the combustibility rating of diesel fuel similar to the octane of gasoline. Cloud point is the temperature at which the wax crystals in diesel fuel begin to form and the fuel goes from a clear appearance to a clouded appearance. Pour point is a temperature generally 6 degrees below the cloud point for an untreated fuel where the fuel will no longer flow.