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Lethbridge Herald Newspaper Archives

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Lethbridge Herald, The (Newspaper) - November 22, 1973, Lethbridge, Alberta LETHMIIMII HBHALD Shell Canada's first non- leaded has now been significantly improved to help modern cars perform better and last longer.This is the result of 3 years of laboratory research and millions of miles of customer use. Better Performance Many modern cars have problems of stalling and because of the anti-pollution devices built into them. New non-leaded to extensive Shell research and practical has a new blend designed to give modern cars fast starts and steady performance. New Shell Ultra is specially recommended for car models since 1971 for most earlier automobiles with compression ratios of 8.9 to 1 or Higher Octane Number New Ultra now has a higher octane number than Shell's original octane without the addition of any lead at all. the result of Shell research into the special performance needs of modern cars. Double Spark Plug Life Because new Ultra is a specially designed non-leaded you can reasonably expect your car s spark plugs to last twice as long as they would on ordinary gasoline made with lead. Customer use has established this fact time and again. Double Muffler Life New Ultra will help your your entire exhaust system- last twice as or than it would on ordinary gasoline. A fact proven by 3 years of Shell's experience with non-leaded gasoline. Cleaner Engine Operation New non-leaded Ultra contains a patented Shell detergent called Advanced Super Detergent. ASD not only keeps vital engine parts it can actually clean up parts that are already dirty. That's good for for our for good mileage. Good Mileage Late model with their pollution-control devices and power- draining make severe demands on a car's mileage performance. That's why new Shell Ultra is specially formulated with ASD to help modern cars deliver their best mileage. For international tests on various gasohnes have shown that the addition of ASD can boost mileage by over gasolines with conventional detergents. Mileage improvement was noticeable after just a few Mileage is still very much Shell's business. New Ultra One more reason to buy Shell. ;