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| 1957 Buick Roadmaster Series 70 | ||
| Convertible Coupe | ||
| Standard Specifications | ||
| Show Summary |
| Original Base Price | $3,692.00 | |
| No. Produced | 4,363 | |
| Body | ||
| Body Maker | Fisher | |
| No. Doors | 2 | |
| Passengers | 6 | |
| Model Number | 76C | |
| Weight | 4,500lbs | |
| Dimension | ||
| Wheelbase | 127.5 inches | |
| Length | 215.3 inches | |
| Width | 80 inches | |
| Height | 61 inches | |
| Front Tread | 59.5 inches | |
| Rear Tread | 59 inches | |
| Engine | ||
| Type | V8, Valve-in-head | |
| Displacement | 364.17 cu. in. | |
| Cylinders | 8 | |
| Bore & Stroke | 4 1/8 & 3 13/32 inches | |
| Compression Ratio-Std | 10.0 to 1 | |
| Compression Ratio-Opt | Not applicable | |
| Brake Horsepower | 300@4600 | |
| Rated Horsepower | 54.45 | |
| Torque | 400@3200 | |
| Main Bearings | 5 | |
| Valve Lifters | Hydraulic | |
| Block Material | ||
| Engine Numbers | ||
| Engine No. Location | On the right part of block, in front of valve lifter cover. | |
| Lubrication | Pressure to all bearings excluding wrist pin | |
| Carburetor | ||
| Type | Downdraft 4-barrel | |
| Make | Carter or Rochester | |
| Transmission | ||
| 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 |
| Clutch Type | Not applicable | ||
| Clutch Size | |||
| Axle Type | Semifloating | ||
| Differential | Hypoid | ||
| Differential Ratio | 3.07 to 1 | ||
| Suspension | |||
| Front | Ball joint with coil springs | ||
| Rear | Coil springs | ||
| Steering Gear | Power | ||
| Brakes | |||
| Service | 4 wheel hydraulic drum | ||
| Front Size | 12 inches | ||
| Rear Size | 12 inches | ||
| Emergency | Rear service brakes | ||
| Size | 12 inches | ||
| Other Systems Specifications | |||
| Exhaust System | Dual | ||
| Ignition System | Distributor and coil | ||
| Battery | 12 volt storage battery | ||
| Cooling System | Centrifugal pump with thermostat | ||
| Radiator | Tube and center | ||
| Fuel Type | Premium | ||
| Mileage | |||
| Wheels, Rims & Tires | |||
| Wheel Type | |||
| Wheel Mfr | |||
| Wheel Size | |||
| Tire Type | |||
| Tire Size | 8 x 15 | ||
| Spare Location | Trunk | ||
| Capacities | |||
| Fuel | 20 Gallons | ||
| Oil | 6 Quarts | ||
| Transmission | 22 Pints | ||
| Cooling System | 18 Quarts | ||
| Rear Differential | 6 Pints | ||
| Front Differential | Not applicable | ||
| Transfer Case | Not applicable | ||
| Classic Rating | Not Rated | ||
| VIN/ID | |||
| VIN/Serial no. | See Additional Information | ||
| VIN Description | Total Digits: 9 | ||
| Digits 1: Series | |||
| Digits 2: Model year | |||
| Digits 3: Assembly plant | |||
| Digits 4-9: Production number | |||
| VIN Location | On dash under hood & on hinge pillar post. | ||
|
| |||
| Additional Information | |||
| Serial Nos.: 7D1000989 to 7D1149460, 7D2001001 to 7D2038462, 7D3001001 to 7D3047645, 7D4001001 to 7D4046155, 7D5001001 to 7D5039991, 7D6001001 to 7D6042248, 7D7001001 to 7D7018900: 7D8001001 to 7D8030225 | |||
| References | |
| 1957 Buick Facts Book | Detroit Public Library (Nat'l Auto. Hist. Collctn) 5201 Woodward Detroit MI 48202 (313) 833-1456 www.detroit.lib.mi.us/nahc/index.htm |
| 1957 Buick Shop Manual | Detroit Public Library (Nat'l Auto. Hist. Collctn) |
| Serial No. Book for US Cars 1900-1975 G. Brigham | Horseless 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 1957 | Horseless Carriage Foundation |
| Motor Age November 1956 | Horseless Carriage Foundation |
| Motor Age April 1957 | Horseless Carriage Foundation |
| Exterior Colors | ||
| Paint Type | Lacquer | |
| Colors | Two Tone Colors Available | |
| Dover White | ||
| Starlight Blue | ||
| Kearney Green Poly. | ||
| Belmont Green | ||
| Garnet Red Poly | ||
| Biscay Blue Poly. | ||
| Shell Beige | ||
| Dresden Blue | ||
| Mint Green | ||
| Jade Green Poly. | ||
| Antique Ivory | ||
| Dawn Gray | ||
| Carlsbad Black | ||
| Castle Gray Poly | ||
| Seminole Red | ||
| Sylvan Gray Metallic | ||
| Arctic Blue | ||
| Gulf Green Metallic | ||
| Hunter Green Metalli-Chrome | ||
| Mariner Blue Metalli-Chrome | ||
| Dusk Rose | ||
| Standard/Optional Equipment | ||
| Power windows | Std | |
| Air conditioning | Opt | |
| Power brakes | Opt | |
| Power steering | Std | |
| Power seats | Opt | |
| Radio | Opt | |
| Heater and Defroster | Opt | |
| Dual Exhaust | Std | |