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1975 Buick Skyhawk Series 4HS
Coupe
Standard Specifications
  Show Summary  
Original Base Price $4,173.00
No. Produced
Body Maker Fisher
No. Doors 2
Passengers
Model Number 4HS07
Weight
Wheelbase 97 inches
Length 179.3 inches
Width 65.4 inches
Height 50.2 inches
Front Tread 54.6 inches
Rear Tread
Type V6 overhead valve
Displacement 231 cu. in.
Cylinders 6
Bore & Stroke 3.8 & 3.4 inches
Compression Ratio-Std 8.0 to 1
Compression Ratio-Opt
Brake Horsepower 110@4000
Rated Horsepower 34.66
Torque 175@2000
Main Bearings
Valve Lifters Hydraulic
Block Material Cast Iron
Engine Numbers Same as VIN production number sequence.
Engine No. Location
Lubrication Pressure to all bearings excluding wrist pin
Type Dual downdraft
Make Rochester
Type Fully synchronized
Drive Rear wheel drive
No. Of Gears 3
Gear Ratios
1st 3.11 to 1
2nd 1.84
3rd 1 to 1
4th Not applicable
5th Not applicable
Reverse 3.22
Single plate dry disc
Clutch Size
Semifloating
Hypoid
Differential Ratio 2.56 to 1
Front Independent ball joint with coil springs
Rear Coil link
Recirculating ball
Service Front disc, rear self-adjusting drum
Front Size
Rear Size
Emergency Rear service brakes
Size
Exhaust System Single
Ignition System Distributor and coil
Battery 12 volt storage battery
Cooling System Water pump
Radiator Cross flow
Fuel Type Unleaded
Mileage
Wheel Type
Wheel Mfr
Wheel Size
Tire Type
Tire Size BR78 x 13
Spare Location Trunk
Fuel 18.5 Gallons
Oil 4 Quarts
Transmission 3.5 Pints
Cooling System 12.25 Quarts
Rear Differential
Front Differential Not applicable
Transfer Case Not applicable
Not Rated
VIN/Serial no. 4S07C5-100001 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.
General VIN Decoder

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Additional Information

1975 Buick Chassis Service ManualLos Angeles Public Library
630 West Fifth Street
Los Angeles CA 90071
(213) 228-7000
www.lapl.org
The Buick - A Complete History by Dunham Gusten & Stf of Auto. QuarterlyHorseless 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
Ward's Automotive Yearbook for 1975Detroit Public Library (Nat'l Auto. Hist. Collctn)
5201 Woodward
Detroit MI 48202
(313) 833-1456
www.detroit.lib.mi.us/nahc/index.htm
Motor Age December 1974Detroit Public Library (Nat'l Auto. Hist. Collctn)
Automotive News (1975 Almanac Issue)Detroit Public Library (Nat'l Auto. Hist. Collctn)
Paint Type
Colors Regal Black
Cameo White
Arctic White
Sandstone
Silver Mist Metallic
Dove Gray
Pewter Metallic
Antique Silver Metallic
Horizon Blue Metallic
Glacier Blue
Majestic Blue Metallic
Blue Haze Metallic
Indigo Metallic
Ranch Green
Verde Mist Metallic
Sand Beige
Canary Yellow
Walnut Mist Metallic
Honey Gold Metallic
Almond Mist Metallic
Golden Tan Metallic
Bittersweet Metallic
Ruby Red
Burgundy Metallic
Apple Red
Rhone Red Metallic
Pumpkin Metallic
All colors may not be available in all models.
Standard/Optional Equipment
Air conditioningOpt
Power steeringOpt
RadioOpt
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