The Miller 91 was a state-of-the-art race car in the mid-1920s. Named after the automotive genius Harry A. Miller, "91" denoted the size of the 1 1/2 liter engine in cubic inches.
The supercharged inline 8-cylinder race engine developed 250 horsepower at 8000 rpm, incorporating a DOHC (double overhead cam) design and an intercooler.
The #4 car depicted here was the FWD (front-wheel-drive) version, featuring a de Dion Tube front axle. A total of ten FWD Miller cars were built, at $15,000.00 a copy.
Without the driveline running through the driver's compartment, the seating could be positioned nine inches lower than a rear-drive application. Shod with Firestone Balloon racing tires, these cars were fast.
In 1930, a Miller 91 front-drive reached 180.9 mph, setting an international speed record. Cars built by Miller won the Indianapolis 500 nine times, plus three additional wins utilizing Miller racing engines.
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I was really impressed with the quality of the poster when it came. It looks really cool in my son's new apartment.