1930 Duesenberg Model J
Now, for you motorheads out there, here is the "nitty gritty" on this massive engine! Remember, the Duesenberg brothers were engine builders before they became car builders, and many of the engines they built were race motors. So, they knew what they were doing when it came to building motors! Not all motors need to be photographed, but this one screams out to be! Like the car, it is a true work of art!
The 1930 Duesenberg Model J engine is a massive straight-eight engine featuring a 420 cubic-inch displacement, twin overhead camshafts, and 265 horsepower.
Engine Design & Layout Configuration: Inline 8-cylinder (straight-8), front-engine, rear-wheel drive.
Displacement: 420 cu in (6,883 cc / 6.9 L). Bore and Stroke: 3.8 in × 4.7 in (95 mm × 119 mm). Block Material: Cast-iron block and head.
Main Bearings: 5 main bearings.
Performance & Power Horsepower: 265 bhp @ 4,200 rpm.'
Torque: 374 lb-ft (507 Nm) @ 2,000 rpm.
Compression Ratio: 5.20:1.
Top Speed: Approximately 116 mph (standard model).Valvetrain
FuelValvetrain: Dual overhead cams (DOHC) with 32 valves total (4 valves per cylinder).
Carburetor: Schebler updraft/downdraft setup.
Transmission: 3-speed manual (Warner Gear / Warner Hy-Flew).
Original 1930 Costs
Chassis Only: $8,500 for the raw engineering, straight-eight engine, and frame straight from the factory.
Custom Coachwork: $4,500 to $10,500 extra for bespoke bodies built by elite designers like Murphy, LeBaron, or Derham.
1930 Duesenberg Model J
Now, for you motorheads out there, here is the "nitty gritty" on this massive engine! Remember, the Duesenberg brothers were engine builders before they became car builders, and many of the engines they built were race motors. So, they knew what they were doing when it came to building motors! Not all motors need to be photographed, but this one screams out to be! Like the car, it is a true work of art!
The 1930 Duesenberg Model J engine is a massive straight-eight engine featuring a 420 cubic-inch displacement, twin overhead camshafts, and 265 horsepower.
Engine Design & Layout Configuration: Inline 8-cylinder (straight-8), front-engine, rear-wheel drive.
Displacement: 420 cu in (6,883 cc / 6.9 L). Bore and Stroke: 3.8 in × 4.7 in (95 mm × 119 mm). Block Material: Cast-iron block and head.
Main Bearings: 5 main bearings.
Performance & Power Horsepower: 265 bhp @ 4,200 rpm.'
Torque: 374 lb-ft (507 Nm) @ 2,000 rpm.
Compression Ratio: 5.20:1.
Top Speed: Approximately 116 mph (standard model).Valvetrain
FuelValvetrain: Dual overhead cams (DOHC) with 32 valves total (4 valves per cylinder).
Carburetor: Schebler updraft/downdraft setup.
Transmission: 3-speed manual (Warner Gear / Warner Hy-Flew).
Original 1930 Costs
Chassis Only: $8,500 for the raw engineering, straight-eight engine, and frame straight from the factory.
Custom Coachwork: $4,500 to $10,500 extra for bespoke bodies built by elite designers like Murphy, LeBaron, or Derham.