A lubricating composition comprising: a) an oil of lubricating viscosity; and b) a hydrocarbyl substituted succinimide dispersant comprising the reaction product of: (i) a hydrocarbyl substituted succinic anhydride of the structure wherein R is a hydrocarbyl group having a molecular wt. ranging from 400 to 1200 M n; and (ii) a hindered polyamine of the structure: wherein R 1 independently is a linear or branched hydrocarbylene moiety containing 2 to 10, preferably 2 to 6, carbon atoms; X is O or N(R 2), where R 2 is independently selected from hydrogen, C 1 to C 10 alkyl, C 1 to C 10 hydroxy substituted alkyl; n is 0 or 1 to 10; R 3 and R 4 independently represent a linear or branched C 5 -C 24 alkyl radical, a substituted and unsubstituted, saturated carbocyclic radical containing 5 to 10 carbon atoms; substituted and unsubstituted aryl radical containing 6 to 14 carbon atoms, or a substituted and unsubstituted aralkyl radical containing 7 to 15 carbon atoms, wherein said substituents are selected from C 1- C 5 alkyl and C 1- C 5 hydroxyalkyl; or R 3 and R 4 taken together with the nitrogen atom to which they are attached represents a monocyclic ring structure containing at least 4 carbon atoms, wherein said ring structures optionally contain at least one additional heteroatom selected from O, N, 5 and carbonyl, subject to the proviso that when R 3 and R 4 are taken together with the nitrogen atom to which they are attached represent a monocyclic ring containing 4 or 5 carbon atoms, the atoms directly attached to said nitrogen atom are carbon atoms and at least one of said carbon atoms attached to said nitrogen atom is substituted with a hydrocarbyl moiety containing 1 to 5 carbon atoms; wherein the dispersion composition (b) is included in the oil of lubricating viscosity in a range of 0.01 wt.% to 20 wt.% based on the total weight of the lubricating composition. a) an oil of lubricating viscosity; and b) a hydrocarbyl substituted succinimide dispersant comprising the reaction product of: (i) a hydrocarbyl substituted succinic anhydride of the structure wherein R is a hydrocarbyl group having a molecular wt. ranging from 400 to 1200 M n; and (ii) a hindered polyamine of the structure: (i) a hydrocarbyl substituted succinic anhydride of the structure wherein R is a hydrocarbyl group having a molecular wt. ranging from 400 to 1200 M n; and (ii) a hindered polyamine of the structure: wherein R 1 independently is a linear or branched hydrocarbylene moiety containing 2 to 10, preferably 2 to 6, carbon atoms; X is O or N(R 2), where R 2 is independently selected from hydrogen, C 1 to C 10 alkyl, C 1 to C 10 hydroxy substituted alkyl; n is 0 or 1 to 10; R 3 and R 4 independently represent a linear or branched C 5 -C 24 alkyl radical, a substituted and unsubstituted, saturated carbocyclic radical containing 5 to 10 carbon atoms; substituted and unsubstituted aryl radical containing 6 to 14 carbon atoms, or a substituted and unsubstituted aralkyl radical containing 7 to 15 carbon atoms, wherein said substituents are selected from C 1- C 5 alkyl and C 1- C 5 hydroxyalkyl; or R 3 and R 4 taken together with the nitrogen atom to which they are attached represents a monocyclic ring structure containing at least 4 carbon atoms, wherein said ring structures optionally contain at least one additional heteroatom selected from O, N, 5 and carbonyl, subject to the proviso that when R 3 and R 4 are taken together with the nitrogen atom to which they are attached represent a monocyclic ring containing 4 or 5 carbon atoms, the atoms directly attached to said nitrogen atom are carbon atoms and at least one of said carbon atoms attached to said nitrogen atom is substituted with a hydrocarbyl moiety containing 1 to 5 carbon atoms; wherein the dispersion composition (b) is included in the oil of lubricating viscosity in a range of 0.01 wt.% to 20 wt.% based on the total weight of the lubricating composition.