From the Entex instructions"
"One of the most impressive Duesenbergs assembled", said road and track of the 1933 Duesenberg Boattail SJ "Weymann Speedster".
This car, one of only 35 SJ's built, is a higher powered version of the 1932 Model J. The SJ is one of the first U.S. production automobiles to incorporate
a supercharger. body was designed by Gordon Buehrig and executed by Weymann American Body Company of Indianapolis, Chassis Serial No. 2537 and Engine serial No. J-508.
The car's 153.5 inch wheelbase qualifies it as one of the largest two seaters built. The single carburated 429 cu. in., duel-overhead cam, straight eight engine is boosted by a centrifugal
engine driven water heated supercharger. This power package produced 320 BHP at 4750 rpm and could propel the Speedster from 0 to 100 MPH in 17 seconds. Top speed in first gear was 85 MPH and a maximum speed of 129 MPH was claimed.
Among the many innovative features is a self contained lubrication system for engine and chassis that is automatically actuated every 75 miles from an odometer signal.
Four wheel vacuum boosted hydraulic brakes of 15 inches in diameter and 3 inches width provided the stopping performance for this heavy car.
The boattail deck compartment houses the spare tire, tools and has room for considerable luggage. The large fire engine siren and red light mounted in front of the grille were installed at the factory for the cars original owner. Captain George Whittel of Lake Tahoe, California
who was an honorary Fire Marshall. Due to its tremendous crowd appeal the car was hardly ever driven and was sold to the Harrah collection with approximately 1400 miles on the odometer.
It has been shown throughout the United States and is one of the prize displays of the Harrah collection in Reno Nevada.