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Show GOOD AUTD OIL IS ' HIGHLY iMPORTAfJT j Nearly everyone vaguely realizes that a first class lubricating oil 1b of the utmost Importance to a high speed gasoline gaso-line engine. Owners as a whole are tired of hearing about oil. It is & hard thing to understand. Moat oils look about alike and although there may be a wide variance vari-ance in price and actual quality, the difference dif-ference is not apparent. A good oil may carbonize aa much as a poor oil unless properly used, but the repair bill after the season's run, for a niiw set of bearings, often telle the story, war can you blame the repair man who overhauls your car. Nino times out of ten the trouble is from poor lubrication; better oil or irhaps more liberal use of it would prevent trouble. The bes oils Cor gas engine services are produced from Pennsylvania crudes. They ar of parat'fine base, hold their body at high temperatures and are leas likely to carbonize car-bonize If properly used. They commence to stiffen at. ubout 20 degrees Fahrenheit, but oin.-e tho motor is started quickly resume re-sume their normal consistency. OH to retain its lubricating body, even unhr the high temperatures in the cylinder head, must not thin out or burn up bei'oru It ha-s done Its work. This lubrication must be accomplished without leaving excessive deposits of carbon on the pit-ions or fouling the spark plugs, as either will increase loss of power. The Capital liltuiric company has spirit several months in careful study or' the oil situation and reports that in 'its Monarch Mon-arch Difi mond brand they have an oil refined from Pennsylvania crude, which Is absolutely uniform in quality, of hnvy lubricating body al hl.yh tempera Lure's and wiil show a minimum of carbon. The fuel that It comes in sealfc rhns under original label prevents the substliution of Inferior maienal and Is a desirable protection pro-tection to the car owner. |