Specifications, Part & Services, Museums & Clubs for Antique, Classic, Vintage and Muscle Cars

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1931 Marmon Big Eight Series
Sedan
Standard Specifications
  Show Summary  
Original Base Price
No. Produced 5,687
Body Maker Weymann American Body Company
No. Doors
Passengers
Model Number
Weight
Wheelbase 136 inches
Length
Width
Height
Front Tread
Rear Tread
Type Own, L-head
Displacement 315.2 cu. in.
Cylinders 8
Bore & Stroke 3 1/4 & 4 3/4 inches
Compression Ratio-Std 5.5 to 1
Compression Ratio-Opt Not applicable
Brake Horsepower 125@3400
Rated Horsepower 33.8
Torque
Main Bearings 5
Valve Lifters
Block Material
Engine Numbers
Engine No. Location On block above No. 1 exhaust port.
Lubrication
Type
Make Shebler
Type
Drive
No. Of Gears
Gear Ratios
1st
2nd
3rd
4th
5th
Reverse
Single plate
Clutch Size 11 inches
Semifloating
Differential Ratio 4.45 to 1
Front Semi-elliptic leaf springs
Rear Semi-elliptic leaf springs
Cam & lever
Service Internal expanding on 4 wheels, mechanical
Front Size
Rear Size
Emergency Internal expanding on 4 wheels
Size
Exhaust System
Ignition System Distributor and coil
Battery
Cooling System Water pump
Radiator
Fuel Type
Mileage
Wheel Type
Wheel Mfr
Wheel Size
Tire Type
Tire Size
Spare Location
Fuel
Oil 10 Quarts
Transmission 2 1/2 Quarts
Cooling System 28 Quarts
Rear Differential 4 1/2 Pounds
Front Differential Not applicable
Transfer Case Not applicable
Full Classic
VIN/Serial no.
VIN Description
VIN Location
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Additional Information
No. produced represents new passenger car registrations.

The Production Figure Book for U.S. Cars Jerry HeasleyHorseless Carriage Foundation
8186 Center St. Suite F P.O. Box 4119
La Mesa CA 91944-4119
(619) 464-0301
www.hcfi.org
Paint Type
Colors Data not yet collected
Standard/Optional Equipment
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