Brand
Sinclair
Product
Sinclair Extra Duty Triple X Motor Oil
Publication
Life Magazine
Tagline
13,000 American Horses Protected by Sinclair Oil
Year
1956
About this Vintage Print Ad
The advertisement highlights Sinclair Aircraft Oil's role in lubricating American Airlines' DC-7 engines, emphasizing its reliability and quality. It mentions that 45% of aircraft oil used by major airlines in the U.S. is supplied by Sinclair. The ad also promotes Sinclair Extra Duty Triple X Motor Oil for cars, claiming it adds power and reduces engine 'knock'.
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