1976 CHEVROLET VEGA

Model Designations:

Chevrolet Vega, Series 1V, 4 Cylinder

Chevrolet Vega, Body Styles:

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

Base Price: $2,984; Shipping Weight: 2,443 Pounds

Production Total: 27,619

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

Base Price: $3,099; Shipping Weight: 2,534 Pounds

Production Total: 77,409

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

Base Price: $3,227; Shipping Weight: 2,578 Pounds

Production Total; 46,114

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

Base Price: $3,450; Shipping Weight: N/A

Production Total; 7,935

Cosworth Vega:

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

Base Price: $6,066; Shipping Weight: Not Available

Production Total: 1,446

General Specifications:

Wheelbase:

All Styles: 97"

Overall Length:

All Styles: 175.4"

Tire Sizes:

All Styles: A78 X 13"

Engine Specifications, 122 Cu. In., 4 Cylinder, 110 HP:

Engine Type: In-Line 4 Cylinder, Overhead Cam

Bore & Stroke: 3.500" X 3.160"

Engine Displacement: 122 Cu. In.

Compresssion Ratio: 8.50 to 1

Taxable Horsepower: 19.6

Horsepower: 110 @ 5,600 RPM

Torque: 107 Ft. Lbs. @ 4,800 RPM

Normal Oil Pressure: 40 PSI

Fuel Injected

Engine Specifications, 140 Cu. In., 4 Cylinder, 69 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: 69 @ 4,000 RPM

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

Normal Oil Pressure: 40 PSI

Carburetor: 1 Barrel

Engine Specifications, 140 Cu. In., 4 Cylinder, 80 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: 80 @ 4,000 RPM

Torque: 116 Ft. Lbs. @ 2,800 RPM

Normal Oil Pressure: 40 PSI

Carburetor: 2 Barrel

Engine Specifications, 140 Cu. In., 4 Cylinder, 87 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: 87 @ 4,400 RPM

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

Normal Oil Pressure: 40 PSI

Carburetor: 2 Barrel

Capacities:

4 Cylinder, 122 Cu. In. Engine:

Cooling System:

With Heater: 6.8 Quarts

With Air Conditioning: 6.8 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

Rear Axle: 2.25 Pints

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:

3 Speed: 3 Pints

4 Speed: 3 Pints

5 Speed: 3 Pints

Automatic Transmission:

Refill: 4 Quarts

Total Capacity: 10 Quarts

Rear Axle: 2.25 Pints

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

Spark Plug Type: AC R43T

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: 1,200 RPM

Automatic Transmission: 750 RPM, in Drive

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: 700 RPM

Automatic Transmission: 750 RPM, in Drive

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: 1,000 RPM

Automatic Transmission: 750 RPM, in Drive

Tune Up Specifications, Cosworth Vega:

Spark Plug Type: AC R43LTS

Spark Plug: Gap .035"

Firing Order: 1-3-4-2

Ignition Timing:

Standard Transmission: 12-1/2 Degrees BTDC on Pulley @ 1,600 RPM

Engine Idle Speed:

Standard Transmission: 1,600 RPM

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, 122 Cu. In. Engine:

Valve Lash (Cold):

Intake: .014"

Exhaust: .014"

Valve Angles:

Seat: 46 Degrees

Face: 45 Degrees

Valve Spring Height: 1.30"

Valve Spring Pressure: 110 Lbs @ .92 inches

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

Exhaust .001"-.0027"

Valve Stem Diameter:

Intake: .2788"-.2795"

Exhaust: .2788"-.2795"

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, 122 Cu. In. Engine:

Piston Clearance: .002"-.003"

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:

#1, 2, 3, & 5: 2.3011"

#4: 2.3006"

Main Bearing Clearance: .0003"-.0029"

Thrust on Bearing #4

Crankshaft End Play: .002"-.008"

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, 122 Cu. In. Engine:

Spark Plugs: 15 Ft. Lbs.

Cylinder Head Bolts: 60 Ft. Lbs.

Intake Manifold: 20 Ft. Lbs.

Exhaust Manifold: 15 Ft. Lbs.

Cam Cover: 65 Inch Pounds

Connecting Rod Cap Bolts: 40-45 Ft. Lbs.

Main Bearing Cap Bolts: 65 Ft. Lbs.

Flywheel to Crankshaft: 60 Ft. Lbs.

Vibration Damper or Pulley: Pulley to Damper Screws: 15 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: -3/4 Degree

Camber:

Left: +1/4 Degrees

Right: +1/4 Degrees

Toe In: 0"-1/8"

Alternator Specifications:

Model: 1102500

Rated Hot Output: 55 Amperes

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

Cold Output @ 14 Volts:

5,000 RPM: 50 Amperes

Regulator: Integral

Model: 1102856

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: 1102845

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: 1102846

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: 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: 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

Distributor Specifications:

#1110649

Centrifugal Advance Data:

Advance Starts: 0 Degrees @ 1,000 RPM

Full Advance: 8-1/2 Degrees @ 1,825 RPM

#1112862

Centrifugal Advance Data:

Advance Starts: 0 Degrees @ 810 RPM

Intermediate Advance: 2-1/2 Degrees @ 1,000 RPM

Full Advance: 11 Degrees @ 2,400 RPM

Vacuum Advance Data:

Inches of Vacuum to Start Plunger: 5"

Maximum Advance: 12 Degrees @ 12" Vacuum

Starting Motor Data:

Standard Transmission:

Starter # 1108771

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

Torque Test: 435-535 Amperes, 3.0 Volts

Automatic Transmission:

Starter # 1108772

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

Torque Test: 435-535 Amperes, 3.0 Volts

Cosworth Vega:

Starter # 1108773

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

Torque Test: 435-535 Amperes, 3.0 Volts

Carburetor Data:

Holley Model 5210 Carburetor Adjustments:

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

Carburetor #: 366829

Float Level: .420"

Float Drop: 1"

Fast Idle Cam Index: .320"

Vacuum Plate Pull Down: .313"

Unloader Setting: .375"

Automatic Choke Setting: 2 Rich

Carburetor #: 366830

Float Level: .420"

Float Drop: 1"

Fast Idle Cam Index: .320"

Vacuum Plate Pulldown: .288"

Unloader Setting: .375"

Automatic Choke Setting: 3 Rich

Carburetor #: 366831

Float Level: .420"

Float Drop: 1"

Fast Idle Cam Index: .320"

Vacuum Plate Pulldown: .313"

Unloader Setting: .375"

Automatic Choke Setting: 2 Rich

Carburetor #: 366832

Float Level: .420"

Float Drop: 1"

Fast Idle Cam Index: .320"

Vacuum Plate Pulldown: .288"

Unloader Setting: .375"

Automatic Choke Setting: 3 Rich

Carburetor #: 366833

Float Level: .420"

Float Drop: 1"

Fast Idle Cam Index: .320"

Vacuum Plate Pulldown: .268"

Unloader Setting: .375"

Automatic Choke Setting: 2 Rich

Carburetor #: 366834

Float Level: .420"

Float Drop: 1"

Fast Idle Cam Index: .320"

Vacuum Plate Pulldown: .268"

Unloader Setting: .375"

Automatic Choke Setting: 3 Rich

Carburetor #: 366840

Float Level: .420"

Float Drop: 1"

Fast Idle Cam Index: .320"

Vacuum Plate Pulldown: .268"

Unloader Setting: .375"

Automatic Choke Setting: 3 Rich

Carburetor #: 366841

Float Level: .420"

Float Drop: 1"

Fast Idle Cam Index: .320"

Vacuum Plate Pulldown: .268"

Unloader Setting: .375"

Automatic Choke Setting: 2 Rich

Rochester Carburetor Adjustments:

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

Rochester Type M & MV:

Carburetor #: 17056012

Float Level: 11/32"

Metering Rod: .084"

Choke Rod: .100"

Vacuum Break: .140"

Unloader: .260"

Fast Idle Speed: 2,100 RPM

Rochester Type M & MV:

Carburetor #: 17056013

Float Level: 11/32"

Metering Rod: .082"

Choke Rod: .140"

Vacuum Break: .140"

Unloader: .260"

Fast Idle Speed: 2,100 RPM

Rochester Type M & MV:

Carburetor #: 17056016

Float Level: 11/32"

Metering Rod: .080"

Choke Rod: .115"

Vacuum Break: .140"

Unloader: .260"

Fast Idle Speed: 2,200 RPM

Rochester Type M & MV:

Carburetor #: 17056018

Float Level: 11/32"

Metering Rod: .084"

Choke Rod: .100"

Vacuum Break: .140"

Unloader: .260"

Fast Idle Speed: 2,100 RPM

Rochester Type M & MV:

Carburetor #: 17056022

Float Level: 1/8"

Choke Rod: .045"

Vacuum Break: .060"

Unloader: .215"

Fast Idle Speed: 1,500 RPM

Rochester Type M & MV:

Carburetor #: 17056023

Float Level: 1/8"

Choke Rod: .045"

Vacuum Break: .060"

Unloader: .215"

Fast Idle Speed: 2,200 RPM

Rochester Type M & MV:

Carburetor #: 17056026

Float Level: 1/8"

Choke Rod: .045"

Vacuum Break: .060"

Unloader: .215"

Fast Idle Speed: 2,200 RPM

Rochester Type M & MV:

Carburetor #: 17056027

Float Level: 1/8"

Choke Rod: .045"

Vacuum Break: .060"

Unloader: .215"

Fast Idle Speed: 1,500 RPM

Rochester Type M & MV:

Carburetor #: 17056314

Float Level: 11/32"

Metering Rod: .083"

Choke Rod: .135"

Vacuum Break: .150"

Unloader: .260"

Fast Idle Speed: 1,700 RPM

Rochester Type 2G, 2GC, & 2GV:

Carburetor #: 17056101

Float Level: 17/32"

Float Drop: 1-9/32"

Pump Rod: 1-5/8"

Vacuum Break: .130"

Automatic Choke: 1

lean

Choke Rod: .260"

Choke Unloader: .325"

Carburetor #: 17056102

Float Level: 17/32"

Float Drop: 1-9/32"

Pump Rod: 1-5/8"

Vacuum Break: .130"

Automatic Choke: Index

Choke Rod: .260"

Choke Unloader: .325"

Carburetor #: 17056104

Float Level: 17/32"

Float Drop: 1-5/32"

Pump Rod: 1-5/8"

Vacuum Break: .140"

Automatic Choke: Index

Choke Rod: .260"

Choke Unloader: .325"

Carburetor #: 17056108

Float Level: 9/16"

Float Drop: 1-9/32"

Pump Rod: 1-21/32"

Vacuum Break: .140"

Automatic Choke: Index

Choke Rod: .260"

Choke Unloader: .325"

Fast Idle Speed: 1,600 RPM

Carburetor #: 17056110

Float Level: 9/16"

Float Drop: 1-9/32"

Pump Rod: 1-21/32"

Vacuum Break: .140"

Automatic Choke: Index

Choke Rod: .260"

Choke Unloader: .325"

Fast Idle Speed: 1,600 RPM

Carburetor #: 17056111

Float Level: 9/16"

Float Drop: 1-9/32"

Pump Rod: 1-21/32"

Vacuum Break: .140"

Automatic Choke: 1 Lean

Choke Rod: .260"

Choke Unloader: .325"

Fast Idle Speed: 1,600 RPM

Carburetor #: 17056112

Float Level: 9/16"

Float Drop: 1-9/32"

Pump Rod: 1-21/32"

Vacuum Break: .140"

Automatic Choke: Index

Choke Rod: .260"

Choke Unloader: .325"

Fast Idle Speed: 1,600 RPM

Carburetor #: 17056113

Float Level: 9/16"

Float Drop: 1-9/32"

Pump Rod: 1-21/32"

Vacuum Break: .140"

Automatic Choke: 1 Lean

Choke Rod: .260"

Choke Unloader: .325"

Fast Idle Speed: 1,600 RPM

Carburetor #: 17056114

Float Level: 21/32"

Float Drop: 31/32"

Pump Rod: 1-11/16"

Vacuum Break: .130"

Automatic Choke: 1 Rich

Choke Rod: .260"

Choke Unloader: .325"

Fast Idle Speed: 1,600 RPM

Carburetor #: 17056404

Float Level: 9/16"

Float Drop: 1-3/16"

Pump Rod: 1-21/32"

Vacuum Break: .140"

Automatic Choke: Index

Choke Rod: .260"

Choke Unloader: .325"

Fast Idle Speed: 1,600 RPM

Carburetor #: 17056410

Float Level: 9/16"

Float Drop: 1-9/32"

Pump Rod: 1-11/16"

Vacuum Break: .140"

Automatic Choke: Index

Choke Rod: .260"

Choke Unloader: .325"

Fast Idle Speed: 1,600 RPM

Carburetor #: 17056412

Float Level: 9/16"

Float Drop: 1-9/32"

Pump Rod: 1-11/16"

Vacuum Break: .140"

Automatic Choke: Index

Choke Rod: .260"

Choke Unloader: .325"

Fast Idle Speed: 1,600 RPM

Chevrolet Paint Colors & Codes:

Code Color Name

11 Antique White

13 Cosworth Silver

16 Medium Gray

19 Texedo Black

21 Light Blue

24 Medium Blue

28 Light Blue

33 Dark Yellow

35 Dark Blue

36 Firethorn

37 Mahogany

40 Lime

45 Lime Green

49 Dark Green

50 Cream

51 Bright Yellow

57 Cream Gold

65 Buckskin

66 Burnt Orange

67 Medium Saddle

69 Corvette Dark Brown

72 Red

75 Red

78 Medium Orange

Popular Options:

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

1976 Chevrolet Vega Historical Data:

The 1976 Chevrolet model year introduction is not available.

Total 1976 Chevrolet Vega Production was 155,523.

Promotional Model Cars:

Plastic: Vega Coupe.

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