1932 30s American Duesenberg 5000cc vintage motor at Southport Classic and Speed 2021, Victoria Park, Southport, UK
As the technical highlight of the Model J, the engine was one of Duesenberg’s, and America’s, best . When Fred Duesenberg started the Model J project, he used developments learnt with the successful Indianapolis cars including engine refinements such as four valves per cylinder and twin camshafts. Fred’s engine was far more powerful than any passenger car unit built in America, with little roads that could satisfy the cars 265 horse power. In fact, the closest rival engine to Duesenberg’s was the 115 horse power Pierce Arrow unit. It should be noted that the power figure of the Model J was based off a factory experimental car which was timed to offer a decent amount of peak horsepower. Most of the chassis received a conservative timing favoring low end toque and engine reliability. For most applications the Model J was a 205 to 210 horsepower vehicle with an impressive torque output of 335 ft lbs (454nm) at low 500 rpm! More specifics on the output can be found in Robert Dearborn’s Technical Ramblings found in the 1953 May Road & Track. See 1930 Duesenberg Model J Gallery Introduced in 1932, a supercharged variant of the Model J was offered called the SJ. This forced induction version raised power to 320 horses and increased the 116 mph top speed to 129 mph. The supercharger itself offered eight psi of boost @ 4000 rpm. Because the supercharger sat in the way of the exhaust manifold, all supercharged cars featured the well distinguished external exhaust system.
Size: 5472px × 3648px
Location: Southport, UK
Photo credit: © ZarkePix / Alamy / Afripics
License: Licensed
Model Released: No
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