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1951 Packard 300, three-quarter front view, on country dirt road

Packard Motor Car Company

Detroit Public Library

Packard automobile--History

Automobile industry and trade--History

Automobiles--United States--History

EB01e419

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8x10 black and white Packard Co. file photograph of a 1951 Packard three-quarter front view, dual white sidewall tires, pelican emblem, 4-door, coming down country dirt road. Photo caption on back from Packard News Service: A new line of power, featuring the highest compression ratio of full size engines in the industry, is one of the features of the 1951 Packard cars tested by 150,000 miles of rugged driving at the Packard Proving Grounds, power curves show the 1951 Packard 300 (above) rating 150-horsepower at 7.0-to-1 compression ratio, with ultramatic drive, it offers 155-horsepower at 7.8-to-1, the new Packard 200 turns 135-horsepower with 7-to-1 compression ratio and with ultramatic drive has 138-horsepower with 7.5-to-1 ratio, Packard's luxurious Patrician 400 with ultramatic drive as standard equipment has a 7.8-to-1 compression ratio, (highest in the industry for full size passenger car power plants) and 155-horsepower.