1975 PONTIAC ASTRE

Model Designations:

Pontiac Astre, Series 2HV, 4 Cylinder

Pontiac Astre S, Series 2HC 4 Cylinder

Pontiac Astre SJ, Series 2HX, 4 Cylinder

Pontiac Astre, Body Styles:

Astre S:

2 Door Coupe, 4 Passenger, Body #C11

Base Price: $2,841; Shipping Weight: 2,416 Pounds

Production Total: 8,339*

2 Door Hatchback Coupe, 4 Passenger, Body #C77

Base Price: $2,954; Shipping Weight: 2,487 Pounds

Production Total: 40,809*

2 Door Safari Station Wagon, 4 Passenger; Body #C15

Base Price: $3,071; Shipping Weight: 2,539 Pounds

Production Total; 15,322*

* Includes Base Astre, Astre S, and Astre SJ

Base Astre:

2 Door Hatchback Coupe, 4 Passenger, Body #V77

Base Price: $3,079; Shipping Weight: 2,499 Pounds

Production Total: *

2 Door Safari Station Wagon, 4 Passenger; Body #V15

Base Price: $3,175; Shipping Weight: 2,545 Pounds

Production Total; *

2 Door Panel Wagon, 2 Passenger, Body #N/A

Price & Weight Not Available

Production Total: 131

* Includes Base Astre, Astre S, and Astre SJ

Astre SJ:

2 Door Hatchback Coupe, 4 Passenger, Body #X77

Base Price: $3,610; Shipping Weight: 2,588 Pounds

Production Total: *

2 Door Safari Station Wagon, 4 Passenger; Body #X15

Base Price: $3,1686 Shipping Weight: 2,602 Pounds

Production Total; *

* Includes Base Astre, Astre S, and Astre SJ

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, 78 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: 78 @ 4,200 RPM

Torque: 120 Ft. Lbs. @ 2,000 RPM

Normal Oil Pressure: 40 PSI

Carburetor: 1 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, 140 Cu. In. Engine:

Cooling System:

With Heater: 7 Quarts

With Air Conditioning: 7.5 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:

3 Speed: 2.4 Pints

4 Speed: 2.4 Pints

Automatic Transmission:

Refill: 4 Quarts

Total Capacity: 10 Quarts

Rear Axle: 2.25 Pints

Tune Up Specifications, 4 Cylinder, 78 H.P. Engine:

Spark Plug Type: AC R43TSX

Spark Plug: Gap .060"

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: 700 RPM

Automatic Transmission: 550 RPM, in Drive

Tune Up Specifications, 4 Cylinder, 87 H.P. Engine:

Spark Plug Type: AC R43TSX

Spark Plug: Gap .060"

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: 600 RPM, in Drive

Valve Specifications, 4 Cylinder, 1 Barrel Carburetor:

Valve Lash (Cold):

Intake: .015"

Exhaust: .030"

Valve Angles:

Seat: 46 Degrees

Face: 45 Degrees

Valve Spring Height: 1.75"

Valve Spring Pressure: 186 Lbs @ 1.29 inches

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

Exhaust .001"-.0027"

Valve Stem Diameter:

Intake: .3410"-.3417"

Exhaust: .3410"-.3417"

Valve Specifications, 4 Cylinder, 2 Barrel Carburetor:

Valve Lash (Cold):

Intake: .015"

Exhaust: .030"

Valve Angles:

Seat: 46 Degrees

Face: 45 Degrees

Valve Spring Height: 1.75"

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"

Pistons, Pins, Rings, Crankshaft & Bearings Data, 4 Cylinder:

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:

#1: .0003"-.002"

Others: .0003"-.003"

Thrusk on Bearing #4

Crankshaft End Play: .002"-.007"

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.

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: 9.000"

Wheel Cylinder Bore:

Front Disc Brakes: 1-7/8"

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: 1100545

Rated Hot Output: 32 Amperes

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

Cold Output @ 14 Volts:

5,000 RPM: 31 Amperes

Regulator: Integral

Model: 1100546

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: 1100559

Rated Hot Output: 32 Amperes

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

Cold Output @ 14 Volts:

5,000 RPM: 31 Amperes

Regulator: Integral

Model: 1100560

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: 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

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

Carburetor Data:

Holley Model 5210 Carburetor Adjustments:

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

Carburetor #: 348659

Float Level: .420"

Float Drop: 1"

Vacuum Plate Pull Down: .325"

Automatic Choke Setting: 3 Rich

Carburetor #: 348660

Float Level: .420"

Float Drop: 1"

Fast Idle Cam Index: .110"

Vacuum Plate Pulldown: .300"

Automatic Choke Setting: 4 Rich

Carburetor #: 348661

Float Level: .420"

Float Drop: 1"

Vacuum Plate Pulldown: .275"

Automatic Choke Setting: 3 Rich

Carburetor #: 348662

Float Level: .420"

Float Drop: 1"

Fast Idle Cam Index: .110"

Vacuum Plate Pulldown: .275"

Automatic Choke Setting: 4 Rich

Carburetor #: 348663

Float Level: .420"

Float Drop: 1"

Vacuum Plate Pulldown: .325"

Automatic Choke Setting: 3 Rich

Carburetor #: 348664

Float Level: .420"

Float Drop: 1"

Fast Idle Cam Index: .110"

Vacuum Plate Pulldown: .300"

Automatic Choke Setting: 4 Rich

Carburetor #: 348665

Float Level: .420"

Float Drop: 1"

Vacuum Plate Pulldown: .275"

Automatic Choke Setting: 3 Rich

Carburetor #: 348666

Float Level: .420"

Float Drop: 1"

Fast Idle Cam Index: .110"

Vacuum Plate Pulldown: .275"

Automatic Choke Setting: 4 Rich

Rochester Carburetor Adjustments:

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

Rochester Type M & MV:

Carburetor #: 7045012

Float Level: 11/32"

Metering Rod: .080"

Choke Rod: .160"

Vacuum Break: .200"

Unloader: .215"

Rochester Type M & MV:

Carburetor #: 7045013

Float Level: 11/32"

Metering Rod: .080"

Choke Rod: .275"

Vacuum Break: .350"

Unloader: .275"

Rochester Type M & MV:

Carburetor #: 7045018

Float Level: 1/8"

Metering Rod: .080"

Choke Rod: .230"

Vacuum Break: .275"

Unloader: .375"

Rochester Type M & MV:

Carburetor #: 7045024

Float Level: 1/8"

Choke Rod: .080"

Vacuum Break: .100"

Unloader: .375"

Rochester Type M & MV:

Carburetor #: 7045025

Float Level: 1/8"

Choke Rod: .080"

Vacuum Break: .100"

Unloader: .375"

Rochester Type M & MV:

Carburetor #: 7045027

Float Level: 1/8"

Choke Rod: .075"

Vacuum Break: .350"

Unloader: .375"

Rochester Type M & MV:

Carburetor #: 7045028

Float Level: 1/8"

Choke Rod: .080"

Vacuum Break: .100"

Unloader: .375"

Rochester Type M & MV:

Carburetor #: 7045029

Float Level: 1/8"

Choke Rod: .080"

Vacuum Break: .100"

Unloader: .375"

Rochester Type M & MV:

Carburetor #: 7045038

Float Level: 11/32"

Metering Rod: .084"

Choke Rod: .080"

Vacuum Break: .100"

Unloader: .375"

Rochester Type M & MV:

Carburetor #: 7045314

Float Level: 11/32"

Metering Rod: .080"

Choke Rod: .230"

Vacuum Break: .275"

Unloader: .275"

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

Carburetor #: 7045101

Float Level: 19/32"

Float Drop: 1-7/32"

Pump Rod: 1-19/32"

Vacuum Break: .130"

Automatic Choke: Index

Choke Rod: .375"

Choke Unloader: .350"

Carburetor #: 7045102

Float Level: 19/32"

Float Drop: 1-7/32"

Pump Rod: 1-19/16"

Vacuum Break: .130"

Automatic Choke: Index

Choke Rod: .375"

Choke Unloader: .350"

Carburetor #: 7045105

Float Level: 19/32"

Float Drop: 1-7/32"

Pump Rod: 1-19/32"

Vacuum Break: .130"

Automatic Choke: Index

Choke Rod: .375"

Choke Unloader: .350"

Carburetor #: 7045106

Float Level: 19/32"

Float Drop: 1-7/32"

Pump Rod: 1-19/16"

Vacuum Break: .130"

Automatic Choke: Index

Choke Rod: .380"

Choke Unloader: .350"

Carburetor #: 7045111

Float Level: 11/16"

Float Drop: 31/32"

Pump Rod: 1-5/8"

Vacuum Break: .130"

Automatic Choke: Index

Choke Rod: .400"

Choke Unloader: .350"

Carburetor #: 7045112

Float Level: 11/16"

Float Drop: 31/32"

Pump Rod: 1-5/8"

Vacuum Break: .130"

Automatic Choke: Index

Choke Rod: .400"

Choke Unloader: .350"

Carburetor #: 7045114

Float Level: 11/16"

Float Drop: 31/32"

Pump Rod: 1-5/8"

Vacuum Break: .130"

Automatic Choke: Index

Choke Rod: .400"

Choke Unloader: .350"

Carburetor #: 7045115

Float Level: 11/16"

Float Drop: 31/32"

Pump Rod: 1-5/8"

Vacuum Break: .130"

Automatic Choke: Index

Choke Rod: .400"

Choke Unloader: .350"

Carburetor #: 7045123

Float Level: 11/16"

Float Drop: 31/32"

Pump Rod: 1-5/8"

Vacuum Break: .130"

Automatic Choke: Index

Choke Rod: .400"

Choke Unloader: .350"

Carburetor #: 7045124

Float Level: 11/16"

Float Drop: 31/32"

Pump Rod: 1-5/8"

Vacuum Break: .130"

Automatic Choke: Index

Choke Rod: .400"

Choke Unloader: .350"

Carburetor #: 7045401

Float Level: 21/32"

Float Drop: 1-7/32"

Pump Rod: 1-19/32"

Vacuum Break: .130"

Automatic Choke: Index

Choke Rod: .380"

Choke Unloader: .350"

Carburetor #: 7045402

Float Level: 21/32"

Float Drop: 1-7/32"

Pump Rod: 1-19/32"

Vacuum Break: .130"

Automatic Choke: Index

Choke Rod: .375"

Choke Unloader: .350"

Carburetor #: 7045405

Float Level: 21/32"

Float Drop: 1-7/32"

Pump Rod: 1-19/32"

Vacuum Break: .130"

Automatic Choke: Index

Choke Rod: .380"

Choke Unloader: .350"

Carburetor #: 7045406

Float Level: 21/32"

Float Drop: 1-7/32"

Pump Rod: 1-19/32"

Vacuum Break: .130"

Automatic Choke: Index

Choke Rod: .380"

Choke Unloader: .350"

Pontiac Paint Colors & Codes:

Code Color Name

11 Cameo White

13 Sterling Silver

15 Graystone

19 Starlight Black

24 Artic Blue

26 Bimini Blue

29 Stellar Blue

31 Gray

39 Burgundy

44 Lakemist Green

45 Augusta Green

49 Alpine Green

50 Carmel Beige

51 Sunstorm Yellow

55 Sandstone

58 Ginger Brown

59 Oxford Brown

63 Copper Mist

64 Persimmon

66 Fire Coral Bronze

72 Roman Red

74 Honduras Maroon

75 Buccaneer Red

80 Tampico Orange

Popular Options:

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

1975 Pontiac Astre Historical Data:

The 1975 Pontiac model year introduction was on September 24, 1974.

Total 1975 Pontiac Astre Production was 64,601.

Promotional Model Cars:

None

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