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

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1955 Pontiac Chieftain 860 Special Series 55-27
Sedan
Standard Specifications
  Show Details  
Original Base Price $1,917.00
No. Produced 58,654
Body Maker Fisher
No. Doors 2
Passengers 6
Model Number
Weight 3,476lbs
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
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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
Type Dual downdraft
Make Carter or Rochester
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Type Helical
Drive Rear wheel drive
No. Of Gears 3
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
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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.
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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

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