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

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1949 Buick Roadmaster Series 70
Convertible Coupe
Standard Specifications
  Show Summary  
Original Base Price $2,985.00
No. Produced 8,244
Body Maker Fisher
No. Doors 2
Passengers 6
Model Number 76C
Weight
Wheelbase 129 inches
Length 214.125 inches
Width 78.5 inches
Height 65 53/64 inches
Front Tread 59.125 inches
Rear Tread 62 3/16 inches
Type OHV
Displacement 320.2 cu. in.
Cylinders 8
Bore & Stroke 3 7/16 & 4 5/16 inches
Compression Ratio-Std 6.9 to 1
Compression Ratio-Opt
Brake Horsepower 150@3600
Rated Horsepower 37.8
Torque 280@2000
Main Bearings 5
Valve Lifters Hydraulic
Block Material
Engine Numbers Starting 5220972-7
Engine No. Location Boss on right side of crankcase near rear.
Lubrication Pressure to all bearings excluding wrist pin
Type Dual downdraft
Make Carter or Stromberg
Type Dynaflow automatic
Drive Rear wheel drive
No. Of Gears 4
Gear Ratios
1st Not applicable
2nd Not applicable
3rd Not applicable
4th Not applicable
5th Not applicable
Reverse Not applicable
Not applicable
Clutch Size
Semifloating
Hypoid
Differential Ratio 4.10 to 1
Front Coil springs
Rear Coil springs
Ball bearing, worm & nut
Service Hydraulic drum
Front Size 12 inches
Rear Size 12 inches
Emergency Rear service brakes
Size 12 inches
Exhaust System Single
Ignition System Distributor and coil
Battery 6 volt storage battery
Cooling System Centrifugal pump with thermostat
Radiator Tubular and fin
Fuel Type
Mileage
Wheel Type
Wheel Mfr
Wheel Size 15 x 6.5
Tire Type 4 ply
Tire Size 8.2 x 15
Spare Location Trunk
Fuel 19 Gallons
Oil 8 Quarts
Transmission 22 Pints
Cooling System 16.75 Quarts
Rear Differential 4 Pints
Front Differential Not applicable
Transfer Case Not applicable
Not Rated
VIN/Serial no. See Additional Information
VIN Description Total Digits: 8
Digits 1: Assembly plant
Digits 2-8: Production number
VIN Location Plate under hood on right side of dash and plate on left front door pillar.
General VIN Decoder

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Additional Information
Serial Nos. 1-5020984 & up, 2-5030001 & up, 3-5036001 & up, 4-5043001 & up, 5-5050001 & up, 6-5054001 & up, 7-5057001 & up.

1948-1949 Buick Shop ManualLos 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 December 1948Horseless Carriage Foundation
Motor Age November 1948Horseless Carriage Foundation
Paint Type
Colors Two Tone Colors Available
Sunmist Gray
Verde Green
Sequoia Cream
Cumulus Gray
Regency Blue
Allendale Green
Calvert Blue
Royal Maroon No.2
Cirrus Green
Gala Green
Mariner Blue No.2
Bahama Blue
Elan Blue
Old Ivory
Standard/Optional Equipment
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