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1971 Pontiac Bonneville Series 26200
Hardtop
Standard Specifications
  Show Summary  
Original Base Price $4,030.00
No. Produced 8,778
Body Maker Fisher
No. Doors 2
Passengers
Model Number 6257
Weight 4,163lbs
Wheelbase 125 inches
Length 223.9 inches
Width 78.8 inches
Height 53.7 inches
Front Tread 64 inches
Rear Tread 64 inches
Type V8, OHV
Displacement 455 cu. in.
Cylinders 8
Bore & Stroke 4.15 & 4.21 inches
Compression Ratio-Std 8.2 to 1
Compression Ratio-Opt
Brake Horsepower 280@4400
Rated Horsepower 55.2
Torque 455@2000
Main Bearings 5
Valve Lifters Hydraulic
Block Material
Engine Numbers
Engine No. Location On pad at front of right side of block.
Lubrication Pressure to all bearings excluding wrist pin
Type Dual downdraft
Make Rochester
Type Synchro-mesh
Drive Rear wheel drive
No. Of Gears 3
Gear Ratios
1st 2.42 to 1
2nd 1.61
3rd 1 to 1
4th Not applicable
5th Not applicable
Reverse 2.33
Single plate dry disc
Clutch Size 10 2/5 inches
Semifloating
Hypoid
Differential Ratio 3.23 to 1
Front Independent ball joint with coil springs
Rear Coil link
Variable-ratio power
Service Power front disc, rear self-adjusting drum
Front Size 11.75 inches
Rear Size 11 inches
Emergency Rear service brakes
Size 11 inches
Exhaust System Single
Ignition System Distributor and coil
Battery 12 volt storage battery
Cooling System Water pump
Radiator Tube and center
Fuel Type Premium
Mileage
Wheel Type
Wheel Mfr
Wheel Size
Tire Type
Tire Size H78 x 15
Spare Location Trunk
Fuel 26 Gallons
Oil 5 Quarts
Transmission 2.8 Pints
Cooling System 17.2 Quarts
Rear Differential 4.5 Pints
Front Differential Not applicable
Transfer Case Not applicable
Not Rated
VIN/Serial no. Starting 262571a100001
VIN Description Total Digits: 13
Digits 1: Make
Digits 2-3: Series
Digits 4-5: Body style
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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Additional Information

1971 Pontiac Service ManualLos Angeles Public Library
630 West Fifth Street
Los Angeles CA 90071
(213) 228-7000
www.lapl.org
Pure Pontiac The Performance Cars (1971)Detroit Public Library (Nat'l Auto. Hist. Collctn)
5201 Woodward
Detroit MI 48202
(313) 833-1456
www.detroit.lib.mi.us/nahc/index.htm
Pure Pontiac (1971)Detroit Public Library (Nat'l Auto. Hist. Collctn)
Standard Catalog of American Cars 1946-1975 Krause Pub.Los Angeles Public Library
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
Automotive Industries March 15 1971Detroit Public Library (Nat'l Auto. Hist. Collctn)
Paint Type
Colors Starlight Black
Lucerne Blue Metallic
Baja Gold Metallic
Cardinal Red
Rosewood Metallic
Cameo White
Nordic Silver Metallic
Bluestone Gray Metallic
Adriatic Blue Metallic
Regency Blue Metallic
Aquarius Green Metallic
Limekist Green Metallic
Tropical Lime Metallic
Laurentian Green Metallic
All colors may not be available in all models.
Two Tone Colors Available
Standard/Optional Equipment
Turbo Hydramatic automatic transmissionOpt
Power windowsOpt
Air conditioningOpt
Power steeringOpt
Power seatsOpt
RadioOpt
Speed control deviceOpt
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