1976 PONTIAC SUNBIRD

1976 PONTIAC SUNBIRD

Model Designations:

Pontiac Sunbird, Series 2H, 4 & 6 Cylinder

Pontiac Sunbird, 4 Cylinder, Body Styles:

2 Door Coupe, 4 Passenger, Body #2HM27

Base Price: $3,431; Shipping Weight: 2,653 Pounds

Production Total: 52,031*

* Includes 6 Cylinder Production.

Pontiac Sunbird, 6 Cylinder, Body Styles:

2 Door Coupe, 4 Passenger, Body #2HM27

Base Price: $3,607; Shipping Weight: Not Available

Production Total: *

* Included with 4 Cylinder Production.

General Specifications:

Wheelbase:

All Styles: 97"

Tire Sizes:

All Styles: A78 X 13"

Engine Availability:

I-4 140 Cubic Inch 69 H.P. Standard Engine

I-4 140 Cubic Inch 87 H.P. Optional

V-6 231 Cubic Inch 105 H.P. Optional

Engine Specifications, 140 Cu. In., 4 Cylinder, 69 HP:

Engine Type: In-Line 4 Cylinder, Overhead Cam

Bore & Stroke: 3.501" X 3.625"

Engine Displacement: 140 Cu. In.

Compresssion Ratio: 8.00 to 1

Taxable Horsepower: 19.6

Horsepower: 69 @ 4,000 RPM

Torque: 113 Ft. Lbs. @ 2,400 RPM

Normal Oil Pressure: 27-45 PSI

Carburetor: 1 Barrel

Engine Specifications, 140 Cu. In., 4 Cylinder, 87 HP:

Engine Type: In-Line 4 Cylinder, Overhead Cam

Bore & Stroke: 3.501" X 3.625"

Engine Displacement: 140 Cu. In.

Compresssion Ratio: 8.00 to 1

Taxable Horsepower: 19.6

Horsepower: 87 @ 4,400 RPM

Torque: 122 Ft. Lbs. @ 2,800 RPM

Normal Oil Pressure: 27-45 PSI

Carburetor: 2 Barrel

6 Cylinder Engine-231 Cu. In., 110 HP:

Bore & Stroke: 3.8" X 3.4"

Engine Displacement: 231 Cu. In.

Compression Ratio: 8.00:1

Taxable Horsepower: 34.66

Horsepower: 110 @ 4,000 RPM

Torque: 175 Ft. Lbs @ 2,000 RPM

Normal Oil Pressure: 37 Lbs/Sq. In.

Carburetor: 2 Barrel

Capacities:

4 Cylinder, 140 Cu. In. Engine:

Cooling System:

With Heater: 8-1/2 Quarts

With Air Conditioning: 8-1/2 Quarts

Radiator Cap Pressure:

With Air Conditioning: 15 PSI

Without Air Conditioning: 15 PSI

Thrermostat Opening: 195 Degrees

Fuel Tank: 18-1/2 Gallons

Engine Oil Refill: 4-1/2 Quarts, with Filter

Transmission Oil:

3 Speed: 3 Pints

4 Speed: 3 Pints

5 Speed: 3 Pints

Automatic Transmission:

Refill: 3 Quarts

Total Capacity: 10 Quarts

Rear Axle: 2-3/4 Pints

6 Cylinder, 231 Cu. In. Engine:

Cooling System:

With Heater: 13-1/2 Quarts

With Air Conditioning: 14 Quarts

Radiator Cap Pressure:

With Air Conditioning: 15 PSI

Without Air Conditioning: 15 PSI

Thrermostat Opening: 195 Degrees

Fuel Tank: 18-1/2 Gallons

Engine Oil Refill: 5 Quarts, with Filter

Transmission Oil:

4 Speed: 3 Pints

5 Speed: 2-3/4 Pints

Automatic Transmission:

Refill: 2-1/2 Quarts

Total Capacity: 10-1/2 Quarts

Rear Axle: 2-3/4 Pints

Tune Up Specifications, 4 Cylinder, 1 Barrel Carburetor Engine:

Spark Plug Type: AC R43TS

Spark Plug: Gap .035"

Firing Order: 1-3-4-2

Ignition Timing:

Standard Transmission: 8 Degrees BTDC on Pulley

Automatic Transmission: 10 Degrees BTDC on Pulley

Engine Idle Speed:

Standard Transmission: 750 RPM; 1,200 RPM w/AC Solenoid Energized

Automatic Transmission: 550 RPM, in Drive, 750 RPM w/AC Solenoid Energized

Fast Idle Speed:

Standard Transmission: 1,500 RPM

Automatic Transmission: 2,200 RPM

Fuel Pump Pressure: 3 to 4-1/2 PSI

Tune Up Specifications, 4 Cylinder, 2 Barrel Carburetor Engine, Except California:

Spark Plug Type: AC R43TSX

Spark Plug: Gap .035"

Firing Order: 1-3-4-2

Ignition Timing:

Standard Transmission: 10 Degrees BTDC on Pulley

Automatic Transmission: 12 Degrees BTDC on Pulley

Engine Idle Speed:

Standard Transmission: 600 RPM

Automatic Transmission: 600 RPM in Drive; 750 RPM, in Drive w/AC Solenoid Energized

Fast Idle Speed:

Standard Transmission: 2,200 RPM

Automatic Transmission: 2,200 RPM

Tune Up Specifications, 4 Cylinder, 2 Barrel Carburetor Engine, California:

Spark Plug Type: AC R43TS

Spark Plug: Gap .035"

Firing Order: 1-3-4-2

Ignition Timing:

Standard Transmission: 10 Degrees BTDC on Pulley

Automatic Transmission: 12 Degrees BTDC on Pulley

Engine Idle Speed:

Standard Transmission: 700 RPM; 1,000 RPM w/AC Solenoid Energized

Automatic Transmission: 600 RPM in Drive; 750 RPM, in Drive w/AC Solenoid Energized

Fast Idle Speed:

Standard Transmission: 2,200 RPM

Automatic Transmission: 2,200 RPM

Tune Up Specifications, 6 Cylinder, 231 Cu. In. Engine:

Spark Plug Type: AC R44TSX

Spark Plug: Gap .060"

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

Ignition Timing: 12 Degrees BTDC

Curb Idle Speed:

Standard Transmission: 800 RPM

Automatic Transmission: 600 RPM, in Drive

Valve Specifications, 4 Cylinder, 140 Cu. In. Engine:

Valve Lash (Cold): Hydralic Lifters

Valve Angles:

Seat: 46 Degrees

Face: 45 Degrees

Valve Spring Height: 1.746"

Valve Spring Pressure: 190 Lbs @ 1.31 inches

Valve Stem Clearance: Intake .001"-.0027"

Exhaust .001"-.0027"

Valve Stem Diameter:

Intake: .3410"-.3417"

Exhaust: .3410"-.3417"

Valve Specifications, 6 Cylinder, 231 Cu. In. Engine:

Valve Lash: Hydraulic

Valve Angles:

Seat: 45 Degrees

Face: 45 Degrees

Valve Spring Height: 1.727"

Valve Spring Pressure: 168 Lbs. @ 1.327 inches

Valve Stem Clearance: Intake .0015"-.0035"

Exhaust .0015"-.0032"

Valve Stem Diameter:

Intake: .3410"-.3412"

Exhaust: .3405"-.3412"

Pistons, Pins, Rings, Crankshaft & Bearings Data, 4 Cylinder, 140 Cu. In. Engine:

Piston Clearance: .0018"-.0028"

Piston Rings:

Ring End Gap:

Compression:

Top Ring: .015"

Lower Ring: .009"

Oil: .010"

Wrist Pin Diameter: .9272"

Rod Bearings:

Shaft Diameter: 1.999"-2.000"

Rod Bearing Clearance: .0007"-.0038"

Main Bearings:

Shaft Diameter: 2.2983"-2.2993"

Main Bearing Clearance: .0003"-.0019"

Thrust on Bearing #4

Crankshaft End Play: .002"-.008"

Pistons, Pins, Rings, Crankshaft & Bearings Data, 6 Cylinder, 231 Cu. In. Engine:

Piston Clearance: .0008"-.0020"

Piston Rings:

Ring End Gap:

Compression: .010"

Oil: .013"

Wrist Pin Diameter: .9393"

Rod Bearings:

Shaft Diameter: 1.9991"-2.000"

Rod Bearing Clearance: .0005"-.0026"

Main Bearings:

Shaft Diameter: 2.4995"

Main Bearing Clearance: .0004"-.0015"

Thrust on Bearing #2

Crankshaft End Play: .003"-.008"

Engine Tightening Specifications, 140 Cu. In. Engine:

Spark Plugs: 20 Ft. Lbs.

Cylinder Head Bolts: 60 Ft. Lbs.

Intake Manifold: 30 Ft. Lbs.

Exhaust Manifold: 30 Ft. Lbs.

Cam Cover: 80 Inch Lbs.

Connecting Rod Cap Bolts: 35 Ft. Lbs.

Main Bearing Cap Bolts: 65 Ft. Lbs.

Flywheel to Crankshaft: 65 Ft. Lbs.

Vibration Damper or Pulley: Pulley to Damper Screws: 80 Ft. Lbs.

Engine Tightening Specifications, 231 In. 6 Cylinder Engines:

Spark Plugs: 20 Ft. Lbs.

Cylinder Head Bolts: 80 Ft. Lbs.

Intake Manifold: 45 Ft. Lbs.

Exhaust Manifold: 25 Ft. Lbs.

Rocker Arm Stud: 30 Ft. Lbs.

Rocker Arm Cover: 4 Foot Pounds

Connecting Rod Cap Bolts: 40 Ft. Lbs.

Main Bearing Cap Bolts: 115 Ft. Lbs.

Flywheel to Crankshaft: 60 Ft. Lbs.

Vibration Damper or Pulley: Pulley to Damper Screws: 175 Ft. Lbs.

Rear Axle Specifications:

Carrier Type: Integral

Ring Gear & Pinion Backlash:

Method: Shims

Adjustment: .005"-.008"

Pinion Bearing Preload:

Method: Spacer

New Bearings: 10-25 Inch Lbs.

Used Bearings: 8-12 Inch Lbs.

Differential Bearing Preload:

Method: Shims

Brake Specifications:

Brake Drum Diameter: 9.500"

Wheel Cylinder Bore:

Front Disc Brakes: 2-1/2"

Rear: 3/4"

Master Cylinder Bore:

Disc Brakes: 3/4"

Power Brakes: 3/4"

Wheel Alignment Specifications:

Caster: -3/4 Degree

Camber:

Left: +1/4 Degrees

Right: +1/4 Degrees

Toe In: 0"-1/8"

Alternator Specifications:

Model: 1102840

Rated Hot Output: 55 Amperes