DIFFERENCE IN OILS EXPLAINED Best Oil Made Might right Fail to Give Results Under Certain Conditions A. A J. J McMullan sales manager for company mak makers rs of Culco oils is authority for for the statement that the best oil made will fail to toI I give satisfactory results under certain l I conditions I McMullan Ic is rated an authority on lubrication and advising motorists asto as asto to the best oils for various cars and models is part of his business I Cresta our de oil is considered considered considered consid consid- ered by men who know oils as thelast the thelast thelast last word in the art of refining a high grade automobile oil and yet we I frequently prescribe Super Six in preference to Cresta in certain in inI instances instances in- in I stances and get better results says McMullan Cresta might be termed college collese bred bred it it is scientifically correct refined re refined re- re fined tined to a nicety regardless of expense ex- ex expense expense ex ex- pense while Super Six chosen by six elx well known oilmen as their ideal isa Is Isa isa a more practical ever every day oil of equally equall high grade but lacking the tho silk finish of Cresta Take a new now high powered car of the more expensive class and Cresta is almost essential to perfect performance performance performance per per- while in the cars ranging from 1000 to that are art used day In and day out Super Six will satisfy their requirements as well as Cresta I It is Impractical to go into a technical technical technical tech tech- discussion of the characteristics lof of the two oils in this article but itI it will be real pleasure to explain the I whys wh's and wherefore In detail to any motorist who is interested in securing maximum results from his lubricating I oils at minimum annual expense I