1968 PONTIAC

Full-Sized Cars

Model Designations:

Pontiac Catalina, Series 252, 8 Cylinder

Pontiac Executive, Series 256, 8 Cylinder

Pontiac Bonneville, Series 262, 8 Cylinder

Pontiac Grand Prix, Series 266, 8 Cylinder

Pontiac Catalina, 8 Cylinder, Body Styles:

4 Door Sedan, 6 Passenger, Body Style # 25269

Base Price: $3,004; Shipping Weight: 3,888 Pounds

Total Production: 94,441

4 Door Hardtop, 6 Passenger, Body Style # 25239

Base Price: $3,158; Shipping Weight: 4,012 Pounds

Total Production: 41,727

2 Door Sedan, 6 Passenger, Body Style # 25211

Base Price: $2,945; Shipping Weight: 3,839 Pounds

Total Production: 5,247

2 Door Hardtop, 6 Passenger, Body Style # 25287

Base Price: $3,089; Shipping Weight: 3,943 Pounds

Total Production: 92,217

2 Door Convertible, 6 Passenger, Body Style #25267

Base Price: $3,391; Shipping Weight: 3,980 Pounds

Total Production: 7,339

4 Door Station Wagon, 6 Passenger, Body Style #25235

Base Price: $3,390; Shipping Weight: 4,325 Pounds

Total Production: 21,848

4 Door Station Wagon, 9 Passenger, Body Style #25245

Base Price: $3,537; Shipping Weight: 4,408 Pounds

Total Production: 13,363

Total Catalina Passenger Car Production: 240,971

Total with Manual Transmission: 2,257

Total with Hydra-Matic Transmission: 238,714

Total Catalina Station Wagon Production: 35,211

Total with Manual Transmission: 289

Total with Hydra-Matic Transmission: 34,922

Pontiac Executive, 8 Cylinder, Body Styles:

4 Door Sedan, 6 Passenger, Body Style # 25669

Base Price: $3,309; Shipping Weight: 4,012 Pounds

Total Production: 18,869

4 Door Hardtop, 6 Passenger, Body Style # 25639

Base Price: $3,439; Shipping Weight: 4,077 Pounds

Total Production: 7,848

2 Door Hardtop, 6 Passenger, Body Style # 25687

Base Price: $3,371; Shipping Weight: 3,975 Pounds

Total Production: 5,880

4 Door Station Wagon, 6 Passenger, Body Style #25635

Base Price: $3,744; Shipping Weight: 4,378 Pounds

Total Production: 6,195

4 Door Station Wagon, 9 Passenger, Body Style #25645

Base Price: $3,892; Shipping Weight: 4,453 Pounds

Total Production: 5,843

Total Executive Production:

Passenger Cars: 32,597

Total with Manual Transmission: 47

Total with Hydra-Matic Transmission: 32,550

Station Wagons: 12,038

Total with Manual Transmission: 23

Total with Hydra-Matic Transmission: 12,015

Pontiac Bonneville, 8 Cylinder, Body Styles:

4 Door Sedan, 6 Passenger, Body Style # 26269

Base Price: $3,530; Shipping Weight: 4,122 Pounds

Total Production: 3,499

4 Door Hardtop, 6 Passenger, Body Style # 26239

Base Price: $3,660; Shipping Weight: 4,171 Pounds

Total Production: 57,055

2 Door Hardtop Coupe, 6 Passenger, Body Style # 26287

Base Price: $3,592; Shipping Weight: 4,054 Pounds

Total Production: 29,598

2 Door Convertible, 6 Passenger, Body Style #26267

Base Price: $3,800; Shipping Weight: 4,090 Pounds

Total Production: 7,358

4 Door Station Wagon, 9 Passenger, Body Style #26245

Base Price: $3,987; Shipping Weight: 4,485 Pounds

Total Production: 6,926

Total Bonneville Production: 104,931

Passenger Cars: 98,005

Total with Manual Transmission: 208

Total with Hydra-Matic Transmission: 97,797

Station Wagons: 6,926

Total with Manual Transmission: 9

Total with Hydra-Matic Transmission: 6,917

Pontiac Grand Prix, 8 Cylinder, Body Styles:

2 Door Hardtop, 5 Passenger, Body Style #26657

Base Price: $3,697; Shipping Weight: 4,075 Pounds

Total Production: 31,711

Total Grand Prix Production: 42,981

Total with Manual Transmission: 306

Total with Hydra-Matic Transmission: 31,405

Chassis:

Wheelbase:

All Wagons: 121"

Catalina Passenger Cars & Grand Prix: 121"

Executive & Bonneville Passenger Cars: 124"

Tire Size:

Tire Sizes Not Available

Engine Availability:

Engine Horsepower Model Availability

V-8 400 Cubic Inch 265 H.P. Optional on all Full-Size Models

V-8 400 Cubic Inch 290 H.P. Standard on Catalina & Executive

V-8 400 Cubic Inch 340 H.P. Standard on Bonneville. Optional on Catalina & Executive

V-8 428 Cubic Inch 375 H.P. Optional on all Full-Size Models

V-8 428 Cubic Inch 390 H.P. Optional on all Full-Size Models

General Engine Specifications:

See 1968 Pontiac Engines & Engine Accessories:

Tune Up Specifications:

8 Cylinder 400 Cubic Inch Engines, with 2 Barrel Carburetor:

Spark Plug Type: AC 44S

Spark Plug: Gap .035"

Point Gap: .016"

Distributor Cam Angle: 28-32 Degrees

Firing Order: 1-8-4-3-6-5-7-2

Ignition Timing: 9 Degrees BTDC

Engine Idle Speed:

Standard Transmission: 800 RPM; 500 RPM with A/C "Off"

Automatic Transmission: 600 RPM in Drive; 500 RPM in Drive, with A/C "Off"

Fuel Pump Pressure: 5 to 6-1/2 PSI

8 Cylinder 400 Cubic Inch Engines, with 4 Barrel Carburetor:

Spark Plug Type: AC 44S

Spark Plug: Gap .035"

Point Gap: .016"

Distributor Cam Angle: 28-32 Degrees

Firing Order: 1-8-4-3-6-5-7-2

Ignition Timing: 9 Degrees BTDC

Engine Idle Speed:

Standard Transmission: 850 RPM; 650 RPM with A/C "Off"

Automatic Transmission: 600 RPM in Drive; 500 RPM in Drive, with A/C "Off"

Fuel Pump Pressure: 5 to 6-1/2 PSI

8 Cylinder 428 Cubic Inch Engines:

Spark Plug Type: AC 44S

Spark Plug: Gap .035"

Point Gap: .016"

Distributor Cam Angle: 28-32 Degrees

Firing Order: 1-8-4-3-6-5-7-2

Ignition Timing: 9 Degrees BTDC

Engine Idle Speed:

Standard Transmission: 650 RPM; 500 RPM in Drive, with A/C "Off"

Automatic Transmission: 650 RPM in Drive; 500 RPM in Drive, with A/C "Off"

Fuel Pump Pressure: 5 to 6-1/2 PSI

Valve Specifications:

See 1968 Pontiac Engines & Engine Accessories:

Pistons, Rings, Wrist Pin, Crankshaft, & Bearing Data:

See 1968 Pontiac Engines & Engine Accessories:

Engine Tightening Specifications:

See 1968 Pontiac Engines & Engine Accessories:

Capacities:

Grand Prix:

Cooling System:

With Heater: 17.2 Quarts

With Air Conditioning: 17.2 Quarts

Radiator Pressure Cap:

With Air Conditioning: 14-17 PSI

Without Air Conditioning: 14-17 PSI

Thermostat Opening: 190 Degrees

Fuel Tank:

Passenger Cars: 26-1/2 Gallons

Engine Oil Refill: 6 Quarts*

Manual Transmission:

Three Speed: 5 Pints

Four Speed: 2-1/2 Pints

Hydra-Matic Transmission:

Pan: 3-3/4 Quarts

Dry Capacity: 8-1/2 Quarts

Rear Axle: 4-1/2 Pints

* With New Oil Filter

Other Full-Sized Models with 400 Cubic Inch Engine:

Cooling System:

With Heater: 18 Quarts

With Air Conditioning: 18 Quarts

Radiator Pressure Cap:

With Air Conditioning: 14-17 PSI

Without Air Conditioning: 14-17 PSI

Thermostat Opening: 190 Degrees

Fuel Tank:

Passenger Cars: 26-1/2 Gallons

Station Wagons: 24 Gallons

Engine Oil Refill: 6 Quarts*

Manual Transmission:

Three Speed: 5 Pints

Four Speed: 2-1/2 Pints

Hydra-Matic Transmission:

Pan: 3-3/4 Quarts

Dry Capacity: 8-1/2 Quarts

Rear Axle: 4-1/2 Pints

* With New Oil Filter

428 Cubic Inch Engine:

Cooling System:

With Heater: 17.2 Quarts

With Air Conditioning: 17.2 Quarts

Radiator Pressure Cap:

With Air Conditioning: 14-17 PSI

Without Air Conditioning: 14-17 PSI

Thermostat Opening: 190 Degrees

Fuel Tank: 26-1/2 Gallons

Station Wagons: 24 Gallons

Engine Oil Refill: 6 Quarts*

Manual Transmission:

Three Speed: 2-1/2 Pints

Four Speed: 3*3/4 Pints

Hydra-Matic Transmission:

Pan: 3-3/4 Quarts

Dry Capacity: 8-1/2 Quarts

Rear Axle: 4-1/2 Pints

* With New Oil Filter

Delco-Remy Distributor Specifications:

See 1968 Pontiac Engines & Engine Accessories:

Delco-Remy Alternator & Regulator Specifications:

See 1968 Pontiac Engines & Engine Accessories:

Delco-Remy Starting Motor Specifications:

See 1968 Pontiac Engines & Engine Accessories:

Rear Axle Specifications:

Carrier Type: Integral

Ring Gear & Pinion Backlash:

Method: Shims

Adjustment: .005"-.009"

Pinion Bearing Preload:

Method: Tighten pinion shaft nut with an inch pound torque wrench

Adjustment:

New Bearings: 20-30 Inch Lbs.

Used Bearings: 14-20 Inch Lbs

Differential Bearing Preload:

Method: Shims

Adjustment: Slip Fit Plus .008"

Brake Specifications:

Brake Drum Diameter: 11"

Wheel Cylinder Bore:

Disc Brakes: 2-1/16"

Front: 1-1/8"

Rear: 15/16"

Master Cylinder Bore:

Disc Brakes: 1-1/8"

Drum Brakes: 1"

Power Brakes: 1"

Wheel Alignment Specifications:

Caster: - 1-1/2 Degrees

Camber:

Left: + 1/4 Degrees

Right: +1/4 Degrees

Toe In: 0 to 1/8"

Toe-Out on Turns:

Outer Wheel: 18.4 Degrees

Inner Wheel: 20 Degrees

Carburetor Specifications:

See 1968 Pontiac Engines & Engine Accessories:

Popular Options:

Custom Air Conditioning; AM-FM Stereo Radio; Power Antenna: Auxiliary Gauge Panel; Console; Remote Control Rear Deck Lid; Rear Window Defogger; Door Edge Guards; Electric Clock; Head Restraints; Custom Gear Shift Knob; Underhood Utility Light; Visor Vanity Mirror; Power Brakes;

Power Steering; Left Power Seat; Power Windows; Power Vent Windows; Hood Mounted Tachometer; Bucket Seats; Wire Wheel Discs; Heavy Duty 15" Wheels; Rally II Wheels; Aluminum Hubs & Drums; Various Trim Options; Safe-T-Track Differential; Various Axle Ratio Options; Various Engine & Transmission Options; & Much More.

1968 Pontiac Historical Data:

Introduction date for the 1968 Pontiac line was on September 21, 1967

Total 1968 Pontiac Production was 910,977, including Tempests & Firebirds.

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1968 Pontiac Colors & Codes:

Code Color

A Starlight Black

C Cameo Ivory

D Alpine Blue

E Agena Blue

F Nordic Blue

G April Gold

I Autumn Bronze

K Meridian Turquoise

L Aleutian Blue

N Flambeau Burgundy

P Spring Mist Green

Q Verdoro Green

R Solar Red

T Primavera Beige

V Nightshade Green

Y Mayfair Maize

Promotional Model Cars Available:

Plastic: Bonneville 2 Door Hardtop, Bonneville Convertible, Tempest GTO 2 Door Hardtop, Tempest GTO Convertible, Firebird Convertible & Firebird 2 Door Hardtop.

Copyright 2001, Custom Solutions & Services