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1968 Pontiac Tempest Custom Series 23500
Hardtop Coupe
Standard Specifications
  Show Summary  
Original Base Price $2,591.00
No. Produced 40,574
Body Maker Fisher
No. Doors 2
Passengers
Model Number 23537
Weight 3,277lbs
Wheelbase 116 inches
Length 204.7 inches
Width 74.8 inches
Height 52.5 inches
Front Tread 60 inches
Rear Tread 60 inches
Type Inline 6, OHV
Displacement 250 cu. in.
Cylinders 6
Bore & Stroke 3.875 & 3.53 inches
Compression Ratio-Std 9.0 to 1
Compression Ratio-Opt
Brake Horsepower 175@4800
Rated Horsepower 36
Torque 240@2600
Main Bearings
Valve Lifters Hydraulic
Block Material
Engine Numbers
Engine No. Location Stamped on cylinder head to block contact surface behind oil filler pipe.
Lubrication Pressure to all bearings excluding wrist pin
Type Single downdraft
Make Rochester
Type Fully synchronous 3-speed manual
Drive Rear wheel drive
No. Of Gears 3
Gear Ratios
1st 2.85 to 1
2nd 1.68
3rd 1 to 1
4th Not applicable
5th Not applicable
Reverse 2.95
Single plate dry disc
Clutch Size 10 inches
Semifloating
Hypoid
Differential Ratio 3.23 to 1
Front Independent ball joint with coil springs
Rear Coil link
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 Single
Ignition System Distributor and coil
Battery 12 volt storage battery
Cooling System Water pump
Radiator Tube and center
Fuel Type Regular
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 3.5 Pints
Cooling System 12 Quarts
Rear Differential 3 Pints
Front Differential Not applicable
Transfer Case Not applicable
Not Rated
VIN/Serial no. Starting 235378a600001
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 top of left side of dashboard, visible through windshield.
General VIN Decoder

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Additional Information
Wheelbase for this model is 112 inches.

1968 Pontiac Service ManualLos Angeles Public Library
630 West Fifth Street
Los Angeles CA 90071
(213) 228-7000
www.lapl.org
The '68 Greats from PontiacDetroit 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
Automotive Industries March 15 1968Detroit 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
Cameo Ivory
Alpine Blue Metallic
Aegena Blue Metallic
Nordic Blue Metallic
April Gold Metallic
Meridian Turquoise Metallic
Aleutian Blue Metallic
Flambeau Burgundy Metallic
Springmist Green Metallic
Verdoro Green Metallic
Solar Red
Primavera Beige
Nightshade Green Metallic
Mayfair Maize
Standard/Optional Equipment
Automatic transmissionOpt
Power windowsOpt
Air conditioningOpt
Power brakesOpt
Power steeringOpt
Power seatsOpt
RadioOpt
Power antennaOpt
Speed control deviceOpt
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