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| 1957 Buick Roadmaster Series 70 | ||
| Riviera Sedan | ||
| Standard Specifications | ||
| Show Details |
| Original Base Price | $3,680.00 | |
| No. Produced | 10,526 | |
| Body | ||
| Body Maker | Fisher | |
| No. Doors | 4 | |
| Passengers | 6 | |
| Model Number | 73A | |
| Weight | 4,469lbs | |
| 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 | |
| Carburetor | ||
| Type | Downdraft 4-barrel | |
| Make | Carter or Rochester | |
| Transmission | + | |
| Type | Dynaflow automatic | |
| Drive | Rear wheel drive | |
| No. Of Gears | 4 |
| 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 | + | ||
| Wheels, Rims & Tires | + | ||
| Capacities | + | ||
| 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 | |||