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1966 Pontiac GTO Series 42
Sports Coupe
Standard Specifications
  Show Summary  
Original Base Price $2,783.00
No. Produced 10,363
Body Maker Fisher
No. Doors 2
Passengers
Model Number 24207
Weight 3,445lbs
Wheelbase 115 inches
Length 206.4 inches
Width 74.4 inches
Height 54.2 inches
Front Tread 58 inches
Rear Tread 59 inches
Type V8, Valve-in-head
Displacement 388.86 cu. in.
Cylinders 8
Bore & Stroke 4 1/16 & 3 3/4 inches
Compression Ratio-Std 10.75 to 1
Compression Ratio-Opt
Brake Horsepower 335@5000
Rated Horsepower 52.81
Torque 431@3200
Main Bearings 5
Valve Lifters Hydraulic
Block Material Alloy cast iron
Engine Numbers
Engine No. Location
Lubrication Pressure to all bearings excluding wrist pin
Type Downdraft 4-barrel
Make Carter
Type Fully synchronous, 3-speed manual w/ Hurst floor-shifter
Drive Rear wheel drive
No. Of Gears 3
Gear Ratios
1st 2.54 to 1
2nd 1.5 to 1
3rd 1 to 1
4th Not applicable
5th Not applicable
Reverse 2.63 to 1
Single plate dry disc
Clutch Size 10 13/32 inches
Semifloating
Hypoid
Differential Ratio 3.55 to 1
Front Independent ball joint with coil springs
Rear Coil springs
Recirculating ball
Service Hydraulic, self-adjusting drums
Front Size 9.5 inches
Rear Size 9.5 inches
Emergency Rear service brakes
Size 9.5 inches
Exhaust System Dual
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 7.75 x 14
Spare Location Trunk
Fuel 21.5 Gallons
Oil 5 Quarts
Transmission 2.75 Pints
Cooling System 20 Quarts
Rear Differential 3 Pints
Front Differential Not applicable
Transfer Case Not applicable
Milestone Car
VIN/Serial no. Starting 242076a100001
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 left front door body hinge pillar post.
General VIN Decoder

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Additional Information
The 'Tri-Power' 3-2 barrel carb option had 360@5200 hp with torque 424@3600. In mid-yr XS RamAir engine was added to Tri-Power option, nearly 390 hp.

Pontiac 1966Detroit Public Library (Nat'l Auto. Hist. Collctn)
5201 Woodward
Detroit MI 48202
(313) 833-1456
www.detroit.lib.mi.us/nahc/index.htm
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
Pontiac Craftsman Service News February 1966Horseless Carriage Foundation
Automotive Industries March 15 1966Detroit Public Library (Nat'l Auto. Hist. Collctn)
Paint Type
Colors All colors may not be available in all models.
Two Tone Colors Available
Starlight Black
Burgandy
Cameo Ivory
Blue Charcoal
Fontaine Blue
Nightwatch Blue
Palmetto Green
Mission Beige
Reef Turquoise
Marina Turquoise
Barrier Blue
Montero Red
Martinique Bronze
Platinum
Candelite Cream
Standard/Optional Equipment
2-Speed Automatic transmissionOpt
Power windowsOpt
Air conditioningOpt
Power brakesOpt
Power steeringOpt
Power seatsOpt
RadioOpt
Power antennaOpt
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