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Show Driven 5 Years in 10 Weeks! For 70 days, six cars raced over the broiling Mexican-borddesert at 60 m.pJi. . . . putting amazing new Conoco Super Motor Oil to one of the most punishing tests ever devised. After 50,000 miles of continuous driving, engines showed no wear of any consequence in fact, an average of less than one of an inch on cylinders and crankshafts. Startling proof factory finishing marks were still visible on piston rings! brand-ne- er w ... one-thousand- th equal to 5 years normal mileage proved that Conoco Super Motor Oil, with proper crankcase drains and regular care, can keep your new car new ! Gasoline mileage for the last 5,000 miles of the test-ru- n was as good as for the first 5,000 miles . . . actually there was an average difference for the fleet of only 4100 of a mile per gallon! New-C- ar 3. Mileage! New-C- ar This rugged road test Power! Quicker Starts! Ye- s- Conoco Super Motor Oils extra protection keeps that . . . year factory flash . . . that showroom smoothness metal after year! Conoco Super Motor Oil surfaces to make your engine last longer, perform better, use less gasoline and oil! Conoco Super Motor Oil . . keeps your engine virtually stops wear before it starts . new and clean. New Conoco Super Motor Oil is the great OIL-PLAT-ES new modern wear-fight- er I z&SKm, -- J 1950, CONTINENTAL OIL COMPANY |