| abstract |
The disclosed invention comprises at least one oil of lubricating viscosity; at least one detergent (this detergent comprises an amount of metal equal to a concentration in the range of about 0.015 to about 1% by weight of the functional fluid; Resulting in a functional fluid and the detergent provides the functional fluid with an amount of basicity equal to a total base number in the range of about 0.3 to about 2; and at least one friction modifier (this Friction modifiers relate to functional fluids that contain polar groups or at least two hydrocarbyl groups attached to atoms (eg, nitrogen atoms). |