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Show BIER C1R 1 BiiffiyOUR OIL Says Charts Naming Oil for Every Car Are Wrong in Principle. One of the greatest errors automobile owners have fallen into of late is to pin their faith to the various published "charts" gotten out -by different oil companies, says W. i Culmer, who adds: The whole principle is wrong and must have originated in the office of the manu f acturer or jobber, rather than in the brain of the lubricating lu-bricating engineer or hydro-carbon chemist. As a matter of fact, these charts are about as valuable and correct as the symptom list of the old-time quack doctor, who asks a few questions ques-tions and diagnoses the case to fit the remedy he has to sell. Tho condition of the car is of vastly more importance in selecting an oil than the name, or even the year of its make. Take the best oil made even the high-grade Cresta, and place a very light body in an old worn-out eii- ' gine and the engine will waste most of it and will not secure best results from any of it. By using oil of proper body to meet individual car conditions, in such an engine, res tilts will .be more satisfactory and upkeep cost reduced. re-duced. In evcrv ' possible instance I would advise owners to consult competent lubricating engineers, as their advice must be correct in order or-der to be of value in their firms and to maintain their reputations. If this is impossible, study the requirements of yonr car from what you know of its condition, but steer clear of the ready-made oil guides. |