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1957 Plymouth Belvedere Series P31-3
Convertible Coupe
Standard Specifications
  Show Summary  
Original Base Price $2,419.00
No. Produced 9,866
Body Maker Plymouth
No. Doors 2
Passengers
Model Number
Weight 3,585lbs
Wheelbase 118 inches
Length 204.6 inches
Width 78.2 inches
Height 58.2 inches
Front Tread 60.9 inches
Rear Tread 59.6 inches
Type V8, Valve-in-head
Displacement 299.61 cu. in.
Cylinders 8
Bore & Stroke 3 29/32 & 3 1/8 inches
Compression Ratio-Std 8.5 to 1
Compression Ratio-Opt Not applicable
Brake Horsepower 215@4400
Rated Horsepower 48.83
Torque 285@2800
Main Bearings 5
Valve Lifters Mechanical
Block Material
Engine Numbers
Engine No. Location On front of block beneath left cylinder head, or on right side of block beneath distributor, or on top of block behind water pump.
Lubrication Pressure to all bearings excluding wrist pin
Type Dual downdraft
Make Ball and Ball
Type Helical
Drive Rear wheel drive
No. Of Gears 3
Gear Ratios
1st 2.5 to 1
2nd 1.68
3rd 1 to 1
4th Not applicable
5th Not applicable
Reverse 3.2
Single plate dry disc
Clutch Size 10 inches
Semifloating
Hypoid
Differential Ratio 3.54 to 1
Front Independent torsion bar
Rear Longitudinal leaf spring
Worm & roller
Service 4 wheel hydraulic drum
Front Size 11 inches
Rear Size 11 inches
Emergency On the drive shaft
Size
Exhaust System Single with crossover
Ignition System Distributor and coil
Battery 12 volt storage battery
Cooling System Centrifugal pump with thermostat
Radiator Corrugated fin and tube
Fuel Type Regular
Mileage
Wheel Type
Wheel Mfr
Wheel Size
Tire Type
Tire Size 7.5 x 14
Spare Location Trunk
Fuel 20 Gallons
Oil 5 Quarts
Transmission 2.75 Pints
Cooling System 20 Quarts
Rear Differential 3.5 Pints
Front Differential Not applicable
Transfer Case Not applicable
Not Rated
VIN/Serial no. See Additional Information
VIN Description
VIN Location On left front door hinge post.
General VIN Decoder

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Additional Information
Serial Nos.: P31-316083001 to P31-316392956 & P31-326595001 to P31-326643618 & P31-322330001 to P31-322450693 & P31-328525001 to P31-328534683

1957 Plymouth Data BookDetroit Public Library (Nat'l Auto. Hist. Collctn)
5201 Woodward
Detroit MI 48202
(313) 833-1456
www.detroit.lib.mi.us/nahc/index.htm
Standard Catalog of American Cars 1946-1975 Krause Pub.Los Angeles Public Library
630 West Fifth Street
Los Angeles CA 90071
(213) 228-7000
www.lapl.org
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
Motor Age February 1957Horseless Carriage Foundation
Motor Age November 1956Horseless Carriage Foundation
Motor Age April 1957Horseless Carriage Foundation
Paint Type Enamel
Colors Two Tone Colors Available
Canary Yellow
Satin Gray
Sand Dune White
Sky Blue
Jade Green Metallic
Dusty Coral
Desert Gold Metallic
Marine Blue Metallic
Meadow Green
Burgandy Metallic
Silver Charcoal Metallic
Ginger
Carnival Red.
Silver Gray Metallic
Satin Gray
Canary Yellow
Standard/Optional Equipment
Torque Flite automatic transmissionOpt
Power Flite automatic transmissionOpt
Power brakesOpt
Power steeringOpt
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