1970 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 276, 8 Cylinder

Pontiac Catalina, 8 Cylinder, Body Styles:

4 Door Sedan, 6 Passenger, Body Style # 25269

Base Price: $3,164; Shipping Weight: 3,997 Pounds

Total Production: 84,795

4 Door Hardtop, 6 Passenger, Body Style # 25239

Base Price: $3,319; Shipping Weight: 4,042 Pounds

Total Production: 35,155

2 Door Hardtop, 6 Passenger, Body Style # 25237

Base Price: $3,249; Shipping Weight: 3,952 Pounds

Total Production: 70,350

2 Door Convertible, 6 Passenger, Body Style #25267

Base Price: $3,604; Shipping Weight: 4,027 Pounds

Total Production: 3,686

4 Door Station Wagon, 6 Passenger, Body Style #25236

Base Price: $3,646; Shipping Weight: 4,517 Pounds

Total Production: 16,944

4 Door Station Wagon, 9 Passenger, Body Style #25246

Base Price: $3,791; Shipping Weight: 4,607 Pounds

Total Production: 12,450

Total Catalina Production: 223,380

Total Catalina Passenger Car Production: 193,986

Total with Manual Transmission: 579

Total with Hydra-Matic Transmission: 193,407

Total Catalina Station Wagon Production: 29,394

Total with Manual Transmission: 113

Total with Hydra-Matic Transmission: 29,281

Pontiac Executive, 8 Cylinder, Body Styles:

4 Door Sedan, 6 Passenger, Body Style # 25669

Base Price: $3,538; Shipping Weight: 4,087 Pounds

Total Production: 13,061

4 Door Hardtop, 6 Passenger, Body Style # 25639

Base Price: $3,669; Shipping Weight: 4,132 Pounds

Total Production: 5,376

2 Door Hardtop, 6 Passenger, Body Style # 25637

Base Price: $3,600; Shipping Weight: 4,042 Pounds

Total Production: 3,499

4 Door Station Wagon, 6 Passenger, Body Style #25636

Base Price: $4,015; Shipping Weight: 4,552 Pounds

Total Production: 4,861

4 Door Station Wagon, 9 Passenger, Body Style #25646

Base Price: $4,160; Shipping Weight: 4,632 Pounds

Total Production: 5,629

Total Executive Production: 32,426

Passenger Cars: 21,936

Total with Manual Transmission: 6

Total with Hydra-Matic Transmission: 21,930

Station Wagons: 10,490

Total with Manual Transmission: 8

Total with Hydra-Matic Transmission: 10,482

Pontiac Bonneville, 8 Cylinder, Body Styles:

4 Door Sedan, 6 Passenger, Body Style # 26269

Base Price: $3,770; Shipping Weight: 4,181 Pounds

Total Production: 3,802

4 Door Hardtop, 6 Passenger, Body Style # 26239

Base Price: $3,900; Shipping Weight: 4,226 Pounds

Total Production: 44,241

2 Door Hardtop Coupe, 6 Passenger, Body Style # 26237

Base Price: $3,822; Shipping Weight: 4,111 Pounds

Total Production: 23,418

2 Door Convertible, 6 Passenger, Body Style #26267

Base Price: $4,040; Shipping Weight: 4,161 Pounds

Total Production: 3,537

4 Door Station Wagon, 9 Passenger, Body Style #26246

Base Price: $4,247; Shipping Weight: 4,686 Pounds

Total Production: 7,033

Total Bonneville Production: 82,381

Passenger Cars: 75,348

Total with Manual Transmission: 28

Total with Hydra-Matic Transmission: 75,320

Station Wagons: 7,033

Total with Manual Transmission: 6

Total with Hydra-Matic Transmission: 7,027

Pontiac Grand Prix, 8 Cylinder, Body Styles:

2 Door Hardtop, 5 Passenger, Body Style #27657

Base Price: $3,985; Shipping Weight: 3,784 Pounds

Total Production: 65,750

Total Grand Prix Production: 65,750

Total with Manual Transmission: 500

Total with Hydra-Matic Transmission: 62,250

Chassis:

Wheelbase:

All Wagons: 122"

Catalina Passenger Cars: 122"

Executive & Bonneville Passenger Cars: 125"

Grand Prix: 118"

Tire Size:

Tire Sizes Not Available

Engine Availability:

Engine Horsepower Model Availability

V-8 350 Cubic Inch 255 H.P. Optional on Catalina, except Convertible & Station Wagons.

V-8 400 Cubic Inch 265 H.P. Optional on all Full-Sized with Automatic Transmission.

V-8 400 Cubic Inch 290 H.P. Standard on Catalina Convertible and Wagon, & Executive. Optional on other Catalina models.

V-8 400 Cubic Inch 330 H.P. Optional on Catalina & Executive with Automatic.

V-8 400 Cubic Inch 350 H.P. Standard on Grand Prix.

V-8 455 Cubic Inch 360 H.P. Standard on Bonneville. Optional on Catalina & Executive.

V-8 455 Cubic Inch 370 H.P. Standard on Bonneville Wagon, Grand Prix SJ. Optional on Grand Prix J, Catalina, Executive, & Bonneville.

General Engine Specifications:

See 1970 Pontiac Engines & Engine Accessories:

Tune Up Specifications:

8 Cylinder 350 Cubic Inch Engines, with 2 Barrel Carburetor:

Spark Plug Type: AC R46S

Spark Plug: Gap .035"

Point Gap: .016"

Distributor Cam Angle: 30 Degrees

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

Ignition Timing: 9 Degrees BTDC

Engine Idle Speed:

Standard Transmission: 800 RPM

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

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

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

Spark Plug Type: AC R46S

Spark Plug: Gap .035"

Point Gap: .016"

Distributor Cam Angle: 30 Degrees

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

Ignition Timing: 9 Degrees BTDC

Engine Idle Speed:

Standard Transmission: 800 RPM

Automatic Transmission: 650 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: R45S

Spark Plug: Gap .035"

Point Gap: .016"

Distributor Cam Angle: 30 Degrees

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

Ignition Timing: 9 Degrees BTDC

Engine Idle Speed:

Standard Transmission: 950 RPM

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

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

8 Cylinder 400 Cubic Inch Ram AirEngines:

Spark Plug Type: R44S

Spark Plug: Gap .035"

Point Gap: .016"

Distributor Cam Angle: 30 Degrees

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

Ignition Timing: 15 Degrees BTDC

Engine Idle Speed:

Standard Transmission: 1,000 RPM; 650 RPM with A/C "Off"

Automatic Transmission: 750 RPM in Drive; 500 RPM in Drive, with A/C "Off"

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

8 Cylinder 455 Cubic Inch Engines:

Spark Plug Type: AC R45S (With Ram Air: R44S)

Spark Plug: Gap .035"

Point Gap: .016"

Distributor Cam Angle: 30 Degrees

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

Ignition Timing: 9 Degrees BTDC

Engine Idle Speed:

Standard Transmission: 950 RPM

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

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

Valve Specifications:

See 1970 Pontiac Engines & Engine Accessories:

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

See 1970 Pontiac Engines & Engine Accessories:

Engine Tightening Specifications:

See 1970 Pontiac Engines & Engine Accessories:

Capacities:

Grand Prix with 400 Cubic Inch Engine:

Cooling System:

With Heater: 18.7 Quarts

With Air Conditioning: 21.1 Quarts

Radiator Pressure Cap:

With Air Conditioning: 14-17 PSI

Without Air Conditioning: 14-17 PSI

Thermostat Opening: 190 Degrees

Fuel Tank:

Passenger Cars: 21-1/2 Gallons

Engine Oil Refill: 6 Quarts*

Manual Transmission:

Three Speed: 2.8 Pints

Four Speed: 2-1/2 Pints

Automatic Transmission:

Pan: 3-1/4 Quarts

Rear Axle: 3 Pints (With 8-3/4" Ring Gear: 5 Pints)

* With New Oil Filter

Grand Prix with 455 Cubic Inch Engine:

Cooling System:

With Heater: 17.5 Quarts

With Air Conditioning: 19.9 Quarts

Radiator Pressure Cap:

With Air Conditioning: 14-17 PSI

Without Air Conditioning: 14-17 PSI

Thermostat Opening: 190 Degrees

Fuel Tank:

Passenger Cars: 21-1/2 Gallons

Engine Oil Refill: 6 Quarts*

Manual Transmission:

Three Speed: 2.8 Pints

Four Speed: 2-1/2 Pints

Automatic Transmission:

Pan: 3-1/4 Quarts

Rear Axle: 3 Pints (With 8-3/4" Ring Gear: 5 Pints)

* With New Oil Filter

Full-Sized Models with 350 Cubic Inch Engine:

Cooling System:

With Heater: 19.6 Quarts

With Air Conditioning: 19.6 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 Gallons

Station Wagons: 24 Gallons

Engine Oil Refill: 6 Quarts*

Manual Transmission:

Three Speed:

Standard Unit: 3.5 Pints

Heavy Duty Unit: 2.8 Pints

Automatic Transmission:

Pan: 3-1/4 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 Gallons

Station Wagons: 24 Gallons

Engine Oil Refill: 6 Quarts*

Manual Transmission:

Three Speed: 2.8 Pints

Automatic Transmission:

Pan: 3-1/4 Quarts

Rear Axle: 4-1/2 Pints

* With New Oil Filter

Other Full-Sized Models with 455 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:

Passenger Cars: 26 Gallons

Station Wagons: 24 Gallons

Engine Oil Refill: 6 Quarts*

Manual Transmission:

Three Speed: 2.8 Pints

Automatic Transmission:

Pan: 3-1/4 Quarts

Dry Capacity: 9-1/2 Quarts

Rear Axle: 4-1/2 Pints

* With New Oil Filter

Delco-Remy Distributor Specifications:

See 1970 Pontiac Engines & Engine Accessories:

Delco-Remy Alternator & Regulator Specifications:

See 1970 Pontiac Engines & Engine Accessories:

Delco-Remy Starting Motor Specifications:

See 1970 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"

Type "C' Differential:

Carrier Type: Integral

Ring Gear & Pinion Backlash:

Method: Shims

Adjustment: .005"-.008"

Pinion Bearing Preload:

Method: Spacer

Adjustment:

New Bearings: 20-25 Inch Lbs.

Used Bearings: 10-15 Inch Lbs

Differential Bearing Preload:

Method: Shims

Adjustment:

New Bearings: .004 Inch Pounds

Used Bearings: .004 Inch Pounds

Brake Specifications:

All Full-Size Models except Grand Prix:

Brake Drum Diameter: 11"

Wheel Cylinder Bore:

Disc Brakes: 2-15/16"

Front: 1-1/8"

Rear: 15/16"

Master Cylinder Bore:

Disc Brakes: 1-1/8"

Drum Brakes: 1"

Power Brakes: 1"

Grand Prix:

Brake Drum Diameter: 9-1/2"

Wheel Cylinder Bore:

Disc Brakes: 2-15/16"

Front: 1-1/8"

Rear: 7/8"

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 Degrees

Inner Wheel: 20 Degrees

Carburetor Specifications:

See 1970 Pontiac Engines & Engine Accessories:

Popular Options:

Instant Air Heater; Heavy-Duty Aluminum Front Brake Drums; Load Floor Carpeting for Station Wagons; Luggage Carrier for Station Wagons; Rear Deflector for Station Wagons; Various Radio Options; Power Antenna; Rear Speakers; Power Steering; Power Brakes; Power Front Disc Brakes; Power Door Locks; Power Windows; Retractable Headlight Covers; Custom Sport Steering Wheel; Hood Mounted Tachometer; Cordova Top; Rally II Wheels; Console; Cruise Control; GTO Type Exhaust Extensions; Safe-T-Track Axle; Various Engine & Transmission Options; & Much More.

1970 Pontiac Historical Data:

Introduction date for the 1970 Pontiac line was on September 18, 1969.

Total 1970 Pontiac Production was 692,303, including Tempests & Firebirds.

Full-Sized Pontiac Production totaled: 403,937.

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1970 Pontiac Colors & Codes:

Code Color

06 Orbit Orange

10 Polar White

14 Palladium Silver

19 Starlight Black

25 Bermuda Blue

26 Lucerne Blue

28 Atoll Blue

34 Mint Turquoise

43 Key Lime Green

45 Palasade Green

47 Verdoro Green

48 Pepper Green

50 Sierra Yellow

51 Golden Rod Yellow

53 Coronado Gold

55 Baja Gold

60 Orbit Orange

63 Palomino Copper

75 Carousel Red

67 Castillian Bronze

75 Cardinal Red

78 Burgundy

Promotional Model Cars Available:

Plastic: Bonneville 2 Door Hardtop, Bonneville Convertible, Grand Prix 2 Door Hardtop, GTO 2 Door Hardtop, GTO Convertible, Firebird 2 Door Hardtop.

Copyright 2001, Custom Solutions & Services