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1931 Buick 8-50 Series
Sport Roadster
Standard Specifications
  Show Summary  
Original Base Price $1,055.00
No. Produced 977
Body Maker Fisher
No. Doors 2
Passengers 2-4
Model Number 31-54
Weight 2,840lbs
Wheelbase 114 inches
Length
Width
Height
Front Tread 56 17/32 inches
Rear Tread 57 inches
Type Own, Valve-in-head
Displacement 220.7 cu. in.
Cylinders 8
Bore & Stroke 2 7/8 & 4 1/4 inches
Compression Ratio-Std 4.75 to 1
Compression Ratio-Opt Not applicable
Brake Horsepower 77@3200
Rated Horsepower 26.4
Torque
Main Bearings 5
Valve Lifters
Block Material
Engine Numbers 2624638 to 2751921
Engine No. Location On right side of upper crankcase above oil filter.
Lubrication Pressure to crankshaft and connector rod bearings
Type
Make Marvel
Type
Drive Rear wheel drive
No. Of Gears
Gear Ratios
1st
2nd
3rd
4th
5th
Reverse
Single plate
Clutch Size 9.5 inches
Semifloating
Spiral bevel
Differential Ratio 4.54 to 1
Front Semi-elliptic leaf springs
Rear Semi-elliptic leaf springs
Worm & sector
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 Centrifugal water pump
Radiator Cellular
Fuel Type
Mileage
Wheel Type Artillery
Wheel Mfr
Wheel Size 18
Tire Type
Tire Size 5.25 x 18
Spare Location
Fuel 16 Gallons
Oil 7 Quarts
Transmission 2 1/4 Pounds
Cooling System 12 Quarts
Rear Differential 3.5 Pounds
Front Differential Not applicable
Transfer Case Not applicable
Non Classic
VIN/Serial no. 2460544 to 2602731
VIN Description
VIN Location Plate on outside of right or left frame side rail, about 13 in. behind front axle.
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Additional Information

Serial No. Book for US Cars 1900-1975 G. BrighamHorseless Carriage Foundation
8186 Center St. Suite F P.O. Box 4119
La Mesa CA 91944-4119
(619) 464-0301
www.hcfi.org
Chilton's Flat Rate Manual (1932)Horseless Carriage Foundation
Automobile Trade Journal January 1931Horseless Carriage Foundation
Paint Type
Colors Data not yet collected
Standard/Optional Equipment
Data not yet collectedStd
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