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1955 Pontiac Chieftain 870 DeLuxe Series 55-27
Station Wagon
Standard Specifications
  Show Summary  
Original Base Price $2,380.00
No. Produced 19,439
Body Maker Fisher
No. Doors 4
Passengers 6
Model Number
Weight 3,676lbs
Wheelbase 122 inches
Length 203.2 inches
Width 75.4 inches
Height 62.5 inches
Front Tread 58.7 inches
Rear Tread 59.1 inches
Type V8, Valve-in-head
Displacement 287.16 cu. in.
Cylinders 8
Bore & Stroke 3 3/4 & 3 1/4 inches
Compression Ratio-Std 8.0 to 1
Compression Ratio-Opt 7.4 to 1
Brake Horsepower 180@4600
Rated Horsepower 45
Torque 264@2400
Main Bearings 5
Valve Lifters Hydraulic
Block Material
Engine Numbers Same as serial number
Engine No. Location On pad at front of right side of block.
Lubrication Pressure to all bearings excluding wrist pin
Type Dual downdraft
Make Carter or Rochester
Type Helical
Drive Rear wheel drive
No. Of Gears 3
Gear Ratios
1st 2.39 to 1
2nd 1.49
3rd 1 to 1
4th Not applicable
5th Not applicable
Reverse 2.71
Single plate dry disc
Clutch Size 10 inches
Semifloating
Hypoid
Differential Ratio 3.64 to 1
Front Independent coil springs
Rear Longitudinal leaf spring
Ball bearing roller sector
Service 4 wheel hydraulic drum
Front Size 12 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 Centrifugal pump with thermostat
Radiator Cellular
Fuel Type Premium
Mileage
Wheel Type
Wheel Mfr
Wheel Size
Tire Type
Tire Size 7.1 x 15
Spare Location Trunk
Fuel 20 Gallons
Oil 5 Quarts
Transmission 1.75 Pints
Cooling System 24 Quarts
Rear Differential 3.25 Pints
Front Differential Not applicable
Transfer Case Not applicable
Not Rated
VIN/Serial no. See Additional Information
VIN Description Total Digits: 10
Digits 1: Assembly plant
Digits 2: Series
Digits 3-4: Model year
Digits 5: Transmission
Digits 6-10: Production number
VIN Location On left front door hinge pillar.
General VIN Decoder

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Additional Information
Serial Nos.: A755S1001 to A755S6802, T755S1001 to T755S3331, F755S1001 to F755S4714, K755S1001 to K755S5868, L755S1001 to L755S6536, P755S1001 to P755S26879, C755S1001 to C755S4572, W755S1001 to W755S5564, A755H1001 to A755H26027, F755H1001 to F755H15847, K755H1001 to K755H30873, L755H1001 to L755H33154, P755H1001 to P755H126714, C755H1001 to C755H31707, W755H1001 to W755H24851, T755H1001 to T755H14339

1955 Pontiac Facts BookDetroit Public Library (Nat'l Auto. Hist. Collctn)
5201 Woodward
Detroit MI 48202
(313) 833-1456
www.detroit.lib.mi.us/nahc/index.htm
Standard Catalog of American Cars 1946-1975 Krause Pub.Los Angeles Public Library
630 West Fifth Street
Los Angeles CA 90071
(213) 228-7000
www.lapl.org
The Production Figure Book for U.S. Cars Jerry HeasleyHorseless Carriage Foundation
8186 Center St. Suite F P.O. Box 4119
La Mesa CA 91944-4119
(619) 464-0301
www.hcfi.org
Serial No. Book for US Cars 1900-1975 G. BrighamHorseless Carriage Foundation
Paint Type Lacquer
Colors Avalon Yellow
Marietta Blue
Driftwood Beige
Turquoise Blue Metallic
Castle Gray
Beaumont Blue
Sequoia Green Metalli Chrome
Valley Green
Falcon Gray
Bolero Red
Firegold Metallic
Corsair Tan
Persian Maroon Metallic
Nautilus Blue
All colors may not be available in all models.
Two Tone Colors Available
Polo White
Standard/Optional Equipment
Hydra-Matic automatic transmissionOpt
Power steeringOpt
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