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1974 Buick Gran Sport Series
Colonnade Hardtop Coupe
Standard Specifications
  Show Details  
Original Base Price
No. Produced
Body Maker Fisher
No. Doors 2
Passengers
Model Number 4AD37
Weight
Wheelbase 112 inches
Length 209.5 inches
Width 79 inches
Height 53.5 inches
Front Tread 59 inches
Rear Tread 59 inches
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Type V8, valve-in-head
Displacement 350 cu. in.
Cylinders 8
Bore & Stroke 3.8 & 3.85 inches
Compression Ratio-Std 8.5 to 1
Compression Ratio-Opt
Brake Horsepower 150@3600
Rated Horsepower 46.2
Torque 270@2000
Type Dual downdraft
Make Rochester
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Type Turbo Hydra-matic
Drive Rear wheel drive
No. Of Gears 3
Not applicable
Clutch Size
Semifloating
Hypoid
Differential Ratio 2.73 to 1
Front Independent ball joint with coil springs
Rear Coil link
Variable-ratio power
Service Front disc, rear self-adjusting drum
Front Size 11 inches
Rear Size 9.5 inches
Emergency Rear service brakes
Size 9.5 inches
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Not Rated
VIN/Serial no. 4D37H4-100001 and up
VIN Description Total Digits: 13
Digits 1: Make
Digits 2: Series
Digits 3-4: Body style
Digits 5: Engine
Digits 6: Model year
Digits 7: Assembly plant
Digits 8-13: Production number
VIN Location On plate on top of left side of dashboard, visible through windshield.
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