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Home/Technical Info/Oldsmobile/11. Car Models Described/ 1947/
1947 Olds Special - Seventy Series Overview


1947 78 Club Sedan
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1947 Olds Dynamic Cruiser - Seventy Series

The middle series for Oldsmobile consisted of just a pair of fastback body styles. Power came from either inline six or eight cylinder engines, hence the designations 76 or 78. There were Standard and DeLuxe versions of both body styles. Standard equipment included the same items that were standard on the lower series Special cars.

DeLuxe equipment included: a special instrument cluster, DeLuxe clock and steering wheel, foam rubber seat cushions and rear center armrests. The DeLuxe package cost around $100, depending on what model it was fitted to and represented a substantial savings over purchasing accessories separately. Interior fabric choices were modern weave cloth and custom broadcloth. Tire size was 7.00 x 15 inches.

Dynamic Series Engine and Transmission

Engines:
Fire-Power Six-cylinder
  • Displacement: 238 cu. in
  • Bore and stroke: 3-1/2" x 4-1/8"
  • Cast iron block. Electro-hardened aluminum pistons. Full pressure lubrication. Five main bearings.
  • L-head. Solid valve lifters
  • Carburetion: One-barrel carburetor fitted with automatic choke and fast idle system
  • Compression ratio: 6.5:1
  • Brake horsepower: 100 @ 3400 RPM
Fire-Power Eight-cylinder
  • Displacement: 257 cubic inches
  • Bore and stroke: 3-1/4" x 3-7/8"
  • Cast iron block. Electro-hardened aluminum pistons. I-beam construction connecting rods. Six main bearings.
  • L-head. Solid valve lifters
  • Two-barrel downdraft carburetion. Automatic choke with fast idle system
  • Compression ratio: 6.5:1
  • Brake horsepower: 110 @ 3600 RPM
Transmissions:
  • Three-speed manual with column shifter was standard.
  • Fully automatic HydraMatic transmission was optional for $135 extra.
Convenience Options
Condition-Air heater ($52.90) - Dual-flow heater/defroster ($31.80) - Chrome wheel trim rings ($10.60) - Plastic white sidewall discs ($12.10) - Luggage compartment light ($1.75) - Chrome exhaust extension ($1.75) - Lefthand outside mirror ($3.40) - Visor vanity mirror ($2.50) - Underhood light ($2.10) - License plate frame ($2.10) - Electric clock ($17.40) - Gas tank fender door lock ($1.90) - Fender skirts ($17.35) - DeLuxe steering wheel ($17.14) - Directional signals ($14.75) - Fog and driving lamps ($15.55) - Cadet outside visor ($30.25) - Backup light ($7.75) - Rear-window wiper ($15.20) - Standard 5-tube radio ($72.75) - DeLuxe 6-tube radio ($82.75)

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1947 76 Club Sedan

1947 76 Four-Door Sedan

1947 78 Four-Door Sedan

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

   


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