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

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1956 Buick Roadmaster Series 70
Sedan
Standard Specifications
  Show Details  
Original Base Price $3,148.00
No. Produced 11,804
Body Maker Fisher
No. Doors 4
Passengers 6
Model Number 72
Weight 4,280lbs
Wheelbase 127 inches
Length 213.6 inches
Width 80 inches
Height 64.4 inches
Front Tread 59 inches
Rear Tread 62.2 inches
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Type V8, Valve-in-head
Displacement 322 cu. in.
Cylinders 8
Bore & Stroke 4 & 3 13/64 inches
Compression Ratio-Std 9.5 to 1
Compression Ratio-Opt Not applicable
Brake Horsepower 255@4400
Rated Horsepower 51.20
Torque 341@3200
Type Downdraft 4-barrel
Make Carter or Rochester
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Type Dynaflow automatic
Drive Rear wheel drive
No. Of Gears 4
Not applicable
Clutch Size
Semifloating
Hypoid
Differential Ratio 3.36 to 1
Front Independent coil springs
Rear Coil springs
Power
Service 4 wheel hydraulic drum
Front Size 12 inches
Rear Size 12 inches
Emergency Rear service brakes
Size 12 inches
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Not Rated
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.
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Additional Information
Serial Nos.: 7C1001001 to 7C1207895, 7C2001001 to 7C2064441, 7C3001001 to 7C3068989, 7C4001001 to 7C4040680, 7C5001001 to 7C5053478, 7C6001001 to 7C6055767, 7C7001001 to 7C7028493: 7C8001001 to 7C8040281

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