1977 CHEVROLET VEGA

1977 CHEVROLET VEGA

Model Designations:

Chevrolet Vega, Series 1HV, 4 Cylinder

Chevrolet Vega, Body Styles:

2 Door Sport Coupe, 4 Passenger, Body #1HV11

Base Price: $3,249; Shipping Weight: 2,459 Pounds

Production Total: 12,365

2 Door Hatchback Coupe, 4 Passenger, Body #1HV77

Base Price: $3,359; Shipping Weight: 2,522 Pounds

Production Total: 37,395

2 Door Station Wagon, 4 Passenger; Body #1HV15

Base Price: $3,522; Shipping Weight: 2,571 Pounds

Production Total; 25,181

2 Door Estate Wagon, 4 Passenger; Body #1HV15

Base Price: $3,745; Shipping Weight: N/A

Production Total; 3,461

General Specifications:

Wheelbase:

All Styles: 97"

Overall Length:

All Styles: 175.4"

Tire Sizes:

All Styles: A78 X 13"

Engine Specifications, 140 Cu. In., 4 Cylinder, 84 HP:

Engine Type: In-Line 4 Cylinder, Overhead Cam

Bore & Stroke: 3.500" X 3.625"

Engine Displacement: 140 Cu. In.

Compresssion Ratio: 8.00 to 1

Taxable Horsepower: 19.6

Horsepower: 84 @ 4,400 RPM

Torque: 117 Ft. Lbs. @ 2,400 RPM

Normal Oil Pressure: 36-45 PSI

Carburetor: 2 Barrel

Engine Specifications, 151 Cu. In., 4 Cylinder, 87 HP:

Engine Type: In-Line 4 Cylinder, Overhead Valve

Bore & Stroke: 4.000" X 3.00"

Engine Displacement: 151 Cu. In.

Compresssion Ratio: 8.25 to 1

Taxable Horsepower: 25.6

Horsepower: 88 @ 4,400 RPM

Torque: 128 Ft. Lbs. @ 2,400 RPM

Normal Oil Pressure: 36-41 PSI

Carburetor: 2 Barrel

Capacities:

4 Cylinder, 140 Cu. In. Engine:

Cooling System:

With Heater: 8 Quarts

With Air Conditioning: 8 Quarts

Radiator Cap Pressure:

With Air Conditioning: 15 PSI

Without Air Conditioning: 15 PSI

Thrermostat Opening: 195 Degrees

Fuel Tank: 16 Gallons

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

Transmission Oil:

4 Speed: 3 Pints

5 Speed: 3 Pints

Automatic Transmission:

Turbo-Hydramatic 200, Refill: 3 Quarts; Total Capacity: 9.6 Quarts

Turbo Hydramatic 250, Refill: 2-1/2 Quarts; Total Capacity: 10 Quarts

Rear Axle: 2-3/4 Pints

4 Cylinder, 151 Cu. In. Engine:

Cooling System:

With Heater: 11.2 Quarts

With Air Conditioning: 11.2 Quarts

Radiator Cap Pressure:

With Air Conditioning: 15 PSI

Without Air Conditioning: 15 PSI

Thrermostat Opening: 195 Degrees

Fuel Tank: 16 Gallons

Engine Oil Refill: 4 Quarts, with Filter

Transmission Oil:

4 Speed: 2.4 Pints

5 Speed: 3.5 Pints

Automatic Transmission:

Turbo-Hydramatic 200, Refill: 3 Quarts; Total Capacity: 9.6 Quarts

Turbo Hydramatic 250, Refill: 2-1/2 Quarts; Total Capacity: 10 Quarts

Rear Axle: 2-3/4 Pints

Tune Up Specifications, 4 Cylinder, 140 Cu. In. Engine, except California & High Altitude:

Spark Plug Type: AC R43TS

Spark Plug: Gap .035"

Firing Order: 1-3-4-2

Ignition Timing:

Standard Transmission: BTDC on Pulley

Automatic Transmission: 2 Degrees BTDC on Pulley

Engine Idle Speed:

Standard Transmission: 700 RPM; 1,200 RPM W/AC Solenoid Energized

Automatic Transmission: 650 RPM, in Drive; 850 RPM W/AC Solenoid Energized

Fast Idle Speed:

Standard Transmission: 2,500 RPM

Automatic Transmission: 2,500 RPM

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

Tune Up Specifications, 4 Cylinder, 140 Cu. In. Engine, California:

Spark Plug Type: AC R43TS

Spark Plug: Gap .035"

Firing Order: 1-3-4-2

Ignition Timing:

Standard Transmission: 2 Degrees ATDC on Pulley

Automatic Transmission: TDC on Pulley

Engine Idle Speed:

Standard Transmission: 800 RPM; 1,250 RPM W/AC Solenoid Energized

Automatic Transmission: 650 RPM, in Drive; 850 RPM W/AC Solenoid Energized

Fast Idle Speed:

Standard Transmission: 2,500 RPM

Automatic Transmission: 2,500 RPM

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

Tune Up Specifications, 4 Cylinder, 140 Cu. In. Engine, High Altitude:

Spark Plug Type: AC R43TS

Spark Plug: Gap .035"

Firing Order: 1-3-4-2

Ignition Timing:

Standard Transmission: TDC on Pulley

Automatic Transmission: 2 Degrees BTDC on Pulley

Engine Idle Speed:

Standard Transmission: 800 RPM; 1,250 RPM W/AC Solenoid Energized

Automatic Transmission: 700 RPM, in Drive; 850 RPM W/AC Solenoid Energized

Fast Idle Speed:

Standard Transmission: 2,500 RPM

Automatic Transmission: 2,500 RPM

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

Tune Up Specifications, 4 Cylinder, 151 Cu. In. Engine, Without A/C:

Spark Plug Type: AC R43TSX

Spark Plug: Gap .035"

Firing Order: 1-3-4-2

Ignition Timing:

Standard Transmission: 14 Degrees BTDC on Pulley; California !2 Degrees BTDC

Automatic Transmission: 14 Degrees BTDC on Pulley; California !2 Degrees BTDC

Engine Idle Speed:

Standard Transmission: 500 RPM; 1,000 RPM W/AC Solenoid Energized

Automatic Transmission: 500 RPM, in Drive; 650 RPM W/AC Solenoid Energized

Fast Idle Speed:

Standard Transmission: 2,200 RPM

Automatic Transmission: 2,400 RPM

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

Tune Up Specifications, 4 Cylinder, 151 Cu. In. Engine, With A/C:

Spark Plug Type: AC R43TSX

Spark Plug: Gap .035"

Firing Order: 1-3-4-2

Ignition Timing:

Standard Transmission: 14 Degrees BTDC on Pulley; California !2 Degrees BTDC

Automatic Transmission: 14 Degrees BTDC on Pulley; California !2 Degrees BTDC

Engine Idle Speed:

Standard Transmission: 500 RPM; 1,000 RPM W/AC Solenoid Energized

Automatic Transmission: 650 RPM, in Drive; 850 RPM W/AC Solenoid Energized

Fast Idle Speed:

Standard Transmission: 2,200 RPM

Automatic Transmission: 2,400 RPM

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

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

Valve Lash (Cold): Hydralic Lifters

Valve Angles:

Seat: 46 Degrees

Face: 45 Degrees

Valve Spring Height: 1.56"

Valve Spring Pressure: 185 Lbs @ 1.15 inches

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

Exhaust .001"-.0027"

Valve Stem Diameter:

Intake: .3410"-.3417"

Exhaust: .3410"-.3417"

Valve Specifications, 4 Cylinder, 151 Cu. In. Engine:

Valve Lash (Cold): Hydralic

Valve Angles:

Seat: 46 Degrees

Face: 45 Degrees

Valve Spring Height: 1.69"

Valve Spring Pressure: 82 Lbs @ 1.66 inches

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

Exhaust

Top: .001"-.0027"

Bottom: .0020"-.0037"

Valve Stem Diameter:

Intake: .3400"

Exhaust: .3400"

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, 4 Cylinder, 151 Cu. In. Engine:

Piston Clearance: .0025"-.0033"

Piston Rings:

Ring End Gap:

Compression: .010"

Oil: .010"

Wrist Pin Diameter: .9400"

Rod Bearings:

Shaft Diameter: 2.000"

Rod Bearing Clearance: .0005"-.0026"

Main Bearings:

Shaft Diameter: 2.2983"-2.2993"

Main Bearing Clearance: .0002"-.0022"

Thrust on Bearing #4

Crankshaft End Play: .0015"-.0085"

Engine Tightening Specifications, 140 Cu. In. Engine:

Spark Plugs: 15 Ft. Lbs.

Cylinder Head Bolts: 60 Ft. Lbs.

Intake Manifold: 30 Ft. Lbs.

Exhaust Manifold: 30 Ft. Lbs.

Cam Cover: 35 Inch Lbs.

Connecting Rod Cap Bolts: 35 Ft. Lbs.

Main Bearing Cap Bolts: 65 Ft. Lbs.

Flywheel to Crankshaft: 60 Ft. Lbs.

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

Engine Tightening Specifications, 151 Cu. In. Engine:

Spark Plugs: 15 Ft. Lbs.

Cylinder Head Bolts: 95 Ft. Lbs.

Intake & Exhaust Manifolds:

Intake Manifold to Exhaust Manifold: 40 Ft. Lbs.

Manifold to Cylinder Head: 30 Ft. Lbs.

Manifold to Cylinder Head Bolt: 40 Ft. Lbs.

Rocker Arm Studs: 60 Ft. Lbs.

Rocker Arm Cover: 85 In. Pounds

Connecting Rod Cap Bolts: 30 Ft. Lbs.

Main Bearing Cap Bolts: 65 Ft. Lbs.

Flywheel to Crankshaft: 55 Ft. Lbs.

Vibration Damper or Pulley: Pulley to Damper Screws: 160 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: 1-7/8"

Rear: 11/16"

Master Cylinder Bore:

Disc Brakes: 3/4"

Power Brakes: 3/4"

Wheel Alignment Specifications:

Caster: -.8 Degree

Camber:

Left: +.2 Degrees

Right: +.2 Degrees

Toe In: 0"-1/8"

Alternator Specifications:

Model: 1102851

Rated Hot Output: 55 Amperes

Field Current, 12 Volts @ 80 Degrees: 4.0 to 4.5 Amperes

Cold Output @ 14 Volts:

5,000 RPM: 51 Amperes

Regulator: Integral

Model: 1102858

Rated Hot Output: 37 Amperes

Field Current, 12 Volts @ 80 Degrees: 4.0 to 4.5 Amperes

Cold Output @ 14 Volts:

5,000 RPM: 33 Amperes

Regulator: Integral

Model: 1102891

Rated Hot Output: 55 Amperes

Field Current, 12 Volts @ 80 Degrees: 4.0 to 4.5 Amperes

Cold Output @ 14 Volts:

5,000 RPM: 51 Amperes

Regulator: Integral

Model: 1102893

Rated Hot Output: 63 Amperes

Field Current, 12 Volts @ 80 Degrees: 4.0 to 4.5 Amperes

Cold Output @ 14 Volts:

5,000 RPM: 60 Amperes

Regulator: Integral

Distributor Specifications:

#1103229

Centrifugal Advance Data:

Advance Starts: 0 Degrees @ 600 RPM

Intermediate Advance: 3 Degrees @ 800 RPM

Full Advance: 10 Degrees @ 2,200 RPM

Vacuum Advance Data:

Vacuum to Start Plunger: 3-1/2"

Maximum Vacuum Advance: 10 Degrees @ 12" Vacuum

#1103230

Centrifugal Advance Data:

Advance Starts: 0 Degrees @ 600 RPM

Intermediate Advance: 3 Degrees @ 800 RPM

Full Advance: 10 Degrees @ 2,200 RPM

Vacuum Advance Data:

Inches of Vacuum to Start Plunger: 3-1/2"

Maximum Advance: 10 Degrees @ 9" Vacuum

#1103231

Centrifugal Advance Data:

Advance Starts: 0 Degrees @ 600 RPM

Full Advance: 10 Degrees @ 2,200 RPM

Vacuum Advance Data:

Inches of Vacuum to Start Plunger: 3-1/2"

Maximum Advance: 10 Degrees @ 12" Vacuum

#1103263

Centrifugal Advance Data:

Advance Starts: 0 Degrees @ 600 RPM

Full Advance: 10 Degrees @ 2,200 RPM

Vacuum Advance Data:

Inches of Vacuum to Start Plunger: 3-1/2"

Maximum Advance: 10 Degrees @ 9" Vacuum

#1103303

Centrifugal Advance Data:

Advance Starts: 0 Degrees @ 600 RPM

Full Advance: 10 Degrees @ 2,200 RPM

Vacuum Advance Data:

Inches of Vacuum to Start Plunger: 9"

Maximum Advance: 10 Degrees @ 16" Vacuum

#1110538

Centrifugal Advance Data:

Advance Starts: 0 Degrees @ 425 RPM

Intermediate Advance: 4 Degrees @ 600 RPM

Full Advance: 8-1/2 Degrees @ 1,000 RPM

Vacuum Advance Data:

Inches of Vacuum to Start Plunger: 5"

Maximum Advance: 12 Degrees @ 10" Vacuum

#1110539

Centrifugal Advance Data:

Advance Starts: 0 Degrees @ 425 RPM

Intermediate Advance: 4 Degrees @ 600 RPM

Full Advance: 8-1/2 Degrees @ 1,000 RPM

Vacuum Advance Data:

Inches of Vacuum to Start Plunger: 5"

Maximum Advance: 12 Degrees @ 10" Vacuum

Starting Motor Data:

140 Cu. In. Engine, Standard Transmission:

Starter # 1108771

Free Speed Test: 50-75 Amperes, 9 Volts, @ 6,500-10,000 RPM

140 Cu.In. Engine, Automatic Transmission:

Starter # 1108772

Free Speed Test: 50-75 Amperes, 9 Volts, @ 6,500-10,000 RPM

151 Cu. In. Engine:

Starter # 1109412

Free Speed Test: 50-75 Amperes, 9 Volts, @ 6,500-10,000 RPM

Carburetor Data:

Holley Model 5210 Carburetor Adjustments:

Note: Carburetors listed below include other models than the Vega.

Carburetor #: 458102, 458104

Float Level: .420"

Float Drop: 1"

Fast Idle Cam Index: .120"

Vacuum break: .250"

Unloader Setting: .350"

Automatic Choke Setting: 3 Rich

Carburetor #: 458103, 458105

Float Level: .420"

Float Drop: 1"

Fast Idle Cam Index: .120"

Vacuum break: .250"

Unloader Setting: .350"

Automatic Choke Setting: 3 Rich

Carburetor #: 458106, 458108

Float Level: .420"

Float Drop: 1"

Fast Idle Cam Index: .120"

Vacuum break: .275"

Unloader Setting: .400"

Automatic Choke Setting: 3 Rich

Carburetor #: 458107, 458109

Float Level: .420"

Float Drop: 1"

Fast Idle Cam Index: .160"

Vacuum break:

Primary .275"

Secondary: .400

Unloader Setting: .350"

Automatic Choke Setting: 3 Rich

Carburetor #: 458110, 458112

Float Level: .420"

Float Drop: 1"

Fast Idle Cam Index: .160"

Vacuum break:

Primary .325"

Secondary: .400

Unloader Setting: .350"

Automatic Choke Setting: 3 Rich

Carburetor #: 527200, 527202

Float Level: .520"

Float Drop: 1"

Fast Idle Cam Index: .150"

Vacuum break:

Primary .300"

Unloader Setting: .400"

Automatic Choke Setting: 4 Rich

Carburetor #: 527201, 527203

Float Level: .520"

Float Drop: 1"

Fast Idle Cam Index: .150"

Vacuum break:

Primary .325"

Unloader Setting: .400"

Automatic Choke Setting: 4 Rich

Carburetor #: 527204, 527206

Float Level: .520"

Float Drop: 1"

Fast Idle Cam Index: .150"

Vacuum break:

Primary .300"

Unloader Setting: .400"

Automatic Choke Setting: 2 Rich

Chevrolet Paint Colors & Codes:

Code Color Name

11 Antique White

13 Silver

16 Medium Gray

19 Black

21 Light Blue

22 Light Blue

29 Dark Blue

32 Light LIme

36 Firethorn

38 Dark Aqua

44 Medium Green

48 Dark Blue Green

50 Cream

51 Bright Yellow

61 Light Buckskin

63 Buckskin

64 Bright Orange

69 Brown

72 Red

75 Light Red

78 Orange

85 Medium Blue

Popular Options:

Power Steering; Air Conditioning; AM Radio; GT Package, Vinyl Top; Station Wagon Luggage Rack; Automatic Transmission, and more.

1977 Chevrolet Vega Historical Data:

The 1977 Chevrolet model year introduction was on September 30, 1976.

Total 1977 Chevrolet Vega Production was 78,402.

Promotional Model Cars:

Plastic: Vega Coupe.