1975 OLDSMOBILE STARFIRE

Model Designations:

Oldsmobile Starfire, Series SF, 6 Cylinder

Oldsmobile Starfire, Body Styles:

2 Door Coupe, 4 Passenger, Body #DO-7

Base Price: $4,156; Shipping Weight: 2,937 Pounds

Production Total: 28,131

2 Door Hatchback Coupe, 4 Passenger, Body #TO-7

Base Price: $3,872; Shipping Weight: 2,857 Pounds

Production Total: 2,950

General Specifications:

Wheelbase:

97"

Overall Length:

179.3"

Tire Sizes:

BR78 X 13"

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

Engine Type: In-Line 4 Cylinder, Overhead Cam

Bore & Stroke: 3.80" X 3.40"

Engine Displacement: 231 Cu. In.

Compresssion Ratio: 8.00 to 1

Taxable Horsepower: 34.66

Horsepower: 110 @ 4,000 RPM

Torque: 175 Ft. Lbs. @ 2,000 RPM

Normal Oil Pressure: 37 PSI

Carburetor: 2 Barrel

Capacities:

6 Cylinder, 231 Cu. In. Engine:

Cooling System:

With Heater: 13-1/4 Quarts

With Air Conditioning: 13-3/4 Quarts

Radiator Cap Pressure:

With Air Conditioning: 15 PSI

Without Air Conditioning: 15 PSI

Thrermostat Opening: 190 Degrees

Fuel Tank: 18-1/2 Gallons

Engine Oil Refill: 5 Quarts, with Filter

Transmission Oil:

3 Speed: 2.4 Pints

4 Speed: 2.5 Pints

Automatic Transmission:

Refill: 3 Quarts

Total Capacity: 10 Quarts

Rear Axle: 2-1/4 Pints

Tune Up Specifications, 6 Cylinder:

Spark Plug Type: AC R445X

Spark Plug: Gap .060"

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

Ignition Timing:

Standard Transmission: 12 Degrees BTDC

Automatic Transmission: 12 Degrees BTDC

Engine Idle Speed:

Standard Transmission: 600 RPM; 800 w/AC Idle Solenoid Energiced

Automatic Transmission: 500 RPM, in Drive, 650 RPM w/AC Idle Solenoid Energized

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

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

Valve Lash (Cold): Hydralic, No Adjustment

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"-.0032"

Exhaust .0015"-.0032"

Valve Stem Diameter:

Intake: .3405"-.3412"

Exhaust: .3405"-.3412"

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

Piston Clearance: .0008"-.0020"

Piston Rings:

Ring End Gap:

Compression: .010"

Oil: .010"

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: .004"-.008"

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

Spark Plugs: 20 Ft. Lbs.

Cylinder Head Bolts: 75 Ft. Lbs.

Intake Manifold: 45 Ft. Lbs.

Exhaust Manifold: 28 Ft. Lbs.

Rocker Arm Stud:

Bolts: 40 Ft. Lbs.

Nuts: 30 Ft. Lbs.

Rocker Arm Cover: 5 Ft. Pounds

Connecting Rod Cap Bolts: 40 Ft. Lbs.

Main Bearing Cap Bolts: 115 Ft. Lbs.

Flywheel to Crankshaft: 55 Ft. Lbs.

Vibration Damper or Pulley: Pulley to Damper Screws: 150 Ft. Lbs. (Minimum)

Rear Axle Specifications:

Carrier Type: Integral

Ring Gear & Pinion Backlash:

Method: Shims

Adjustment: .005"-.009"

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: 9.00"

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: 1102394

Rated Hot Output: 37 Amperes

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

Cold Output @ 14 Volts:

5,000 RPM: 37 Amperes

Regulator: Integral

Model: 1102483

Rated Hot Output: 37 Amperes

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

Cold Output @ 14 Volts:

5,000 RPM: 37 Amperes

Regulator: Integral

Model: 1102494

Rated Hot Output: 55 Amperes

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

Cold Output @ 14 Volts:

5,000 RPM: 55 Amperes

Regulator: Integral

Model: 1102495

Rated Hot Output: 55 Amperes

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

Cold Output @ 14 Volts:

5,000 RPM: 55 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: 1102854

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

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: 1102857

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

* Includes Alternators not used on the Oldsmobile Starfire.

*Distributor Specifications:

#1110650

Centrifugal Advance Data:

Advance Starts: 0 Degrees @ 500 RPM

Intermediate Advance: 5 Degrees @ 1,000 RPM

Full Advance: 8 Degrees @ 2,050 RPM

Vacuum Advance Data:

Inches of Vacuum to Start Plunger Movement: 5 to 7"

Maximum Vacuum Advance: 9 Degrees @ 10" Vacuum

#1110651

Centrifugal Advance Data:

Advance Starts: 0 Degrees @ 540 RPM

Intermediate Advance: 3 Degrees @ 1,000 RPM

Intermediate Advance: 4-1/2 Degrees @ 1,750 RPM

Full Advance: 8 Degrees @ 2,050 RPM

Vacuum Advance Data:

Inches of Vacuum to Start Plunger: 5 to 7"

Maximum Advance: 9 Degrees @ 10" Vacuum

#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

#1112880

Centrifugal Advance Data:

Advance Starts: 0 Degrees @ 600 RPM

Intermediate Advance: 6 Degrees @ 1,000 RPM

Full Advance: 11 Degrees @ 2,100 RPM

Vacuum Advance Data:

Inches of Vacuum to Start Plunger: 4"

Maximum Advance: 9 Degrees @ 12" Vacuum

#1112933

Centrifugal Advance Data:

Advance Starts: 0 Degrees @ 600 RPM

Intermediate Advance: 4-1/2 Degrees @ 1,000 RPM

Full Advance: 11 Degrees @ 2,000 RPM

Vacuum Advance Data:

Inches of Vacuum to Start Plunger: 3"

Maximum Advance: 8 Degrees @ 8" Vacuum

* Includes Distributors not used on the Oldsmobile Starfire

Starting Motor Data:

6 Cylinder 231 Cu. In. Engine:

Starter # 1108770

Brush Spring Tension: 35 Ounces

Free Speed Test: 50-80 Amperes, 9 Volts, @ 3,500-6,000 RPM

Carburetor Data:

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

Holley Model 5210 Carburetor Adjustments:

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 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"

Rochester 4M4:

Carburetor #: 7045200

Float Level: 17/32"

Pump Rod:

Hole: Inner

Adjustment: 9/32"

Fast Idle, Bench: 2 Turns

Choke Coil Lever: .120"

Choke Rod: .060"

Vacuum Break:

Front: .200"

Rear: .550"

Air Valve Dashpot: .015"

Choke Setting: Index

Choke Unloader: .270"

Air Valve Spring Wind-Up: 9/16"

Carburetor #: 7045202, 7045206, 7045210

Float Level: 15/32"

Pump Rod:

Hole: Inner

Adjustment: 9/32"

Fast Idle, Bench: 3 Turns

Choke Coil Lever: .120"

Choke Rod: .300"

Vacuum Break:

Front: .180"

Rear: .170"

Air Valve Dashpot: .015"

Choke Setting: Index

Choke Unloader: .325"

Air Valve Spring Wind-Up: 7/8"

Carburetor #: 7045203, 7045207, 7045211

Float Level: 15/32"

Pump Rod:

Hole: Inner

Adjustment: 9/32"

Fast Idle, Bench: 3 Turns

Choke Coil Lever: .120"

Choke Rod: .300"

Vacuum Break:

Front: .180"

Rear: .170"

Air Valve Dashpot: .015"

Choke Setting: 2 Lean

Choke Unloader: .325"

Air Valve Spring Wind-Up: 7/8"

Carburetor #: 7045218

Float Level: 5/16"

Pump Rod:

Hole: Inner

Adjustment: 9/32"

Fast Idle, Bench: 3 Turns

Choke Coil Lever: .120"

Choke Rod: .325"

Vacuum Break:

Front: .180"

Rear: .170"

Air Valve Dashpot: .015"

Choke Setting: Index

Choke Unloader: .325"

Air Valve Spring Wind-Up: 3/4"

Carburetor #: 7045219

Float Level: 5/16"

Pump Rod:

Hole: Inner

Adjustment: 9/32"

Fast Idle, Bench: 3 Turns

Choke Coil Lever: .120"

Choke Rod: .325"

Vacuum Break:

Front: .180"

Rear: .170"

Air Valve Dashpot: .015"

Choke Setting: 2 Lean

Choke Unloader: .325"

Air Valve Spring Wind-Up: 3/4"

Carburetor #: 7045220

Float Level: 17/32"

Pump Rod:

Hole: Inner

Adjustment: 9/32"

Fast Idle, Bench: 2 Turns

Choke Coil Lever: .120"

Choke Rod: .060"

Vacuum Break:

Front: .200"

Rear: .550"

Air Valve Dashpot: .015"

Choke Setting: Index

Choke Unloader: .270"

Air Valve Spring Wind-Up: 9/16"

Carburetor #: 7045222

Float Level: 15/32"

Pump Rod:

Hole: Inner

Adjustment: 9/32"

Fast Idle, Bench: 3 Turns

Choke Coil Lever: .120"

Choke Rod: .300"

Vacuum Break:

Front: .180"

Rear: .170"

Air Valve Dashpot: .015"

Choke Setting: Index

Choke Unloader: .325"

Air Valve Spring Wind-Up: 7/8"

Carburetor #: 7045223

Float Level: 15/32"

Pump Rod:

Hole: Inner

Adjustment: 9/32"

Fast Idle, Bench: 3 Turns

Choke Coil Lever: .120"

Choke Rod: .300"

Vacuum Break:

Front: .180"

Rear: .170"

Air Valve Dashpot: .015"

Choke Setting: 2 Lean

Choke Unloader: .325"

Air Valve Spring Wind-Up: 7/8"

Carburetor #: 7045224, 7045228

Float Level: 15/32"

Pump Rod:

Hole: Inner

Adjustment: 9/32"

Fast Idle, Bench: 3 Turns

Choke Coil Lever: .120"

Choke Rod: .325"

Vacuum Break:

Front: .180"

Rear: .170"

Air Valve Dashpot: .015"

Choke Setting: Index

Choke Unloader: .325"

Air Valve Spring Wind-Up: 3/4"

Carburetor #: 7045502, 7045504, 7045506

Float Level: 15/32"

Pump Rod:

Hole: Inner

Adjustment: 9/32"

Fast Idle, Bench: 3 Turns

Choke Coil Lever: .120"

Choke Rod: .300"

Vacuum Break:

Front: .180"

Rear: .170"

Air Valve Dashpot: .015"

Choke Setting: Index

Choke Unloader: .325"

Air Valve Spring Wind-Up: 7/8"

Carburetor #: 7045512, 7045517

Float Level: 17/32"

Pump Rod:

Hole: Inner

Adjustment: 9/32"

Fast Idle, Bench: 2 Turns

Choke Coil Lever: .120"

Choke Rod: .060"

Vacuum Break:

Front: .180"

Rear: .550"

Air Valve Dashpot: .015"

Choke Setting: Index

Choke Unloader: .270"

Air Valve Spring Wind-Up: 9/16"

Oldsmobile Paint Colors & Codes:

Code Color Name

11 Cameo White

13 Inca Silver

15 Dove Gray

16 Shadow Gray

19 Ebony Black

21 Glacier Blue

24 Horizon Blue

26 Spectre Blue

29 Midnight Blue

44 Sage Green

46 Cypress Green

49 Forest Green

50 Colonial Cream

51 Sebring Yellow

55 Sandstone

58 Omega Bronze

59 Sable Brown

63 Canyon Copper

64 Persimmion

72 Crimson Red

74 Cranberry

75 Omega Red

79 Burgundy

80 Sunfire Orange

Popular Options:

Power Steering; Air Conditioning; AM Radio; Vinyl Top; Automatic Transmission, and more.

1975 Oldsmobile Starfire, Historical Data:

The 1975 Oldsmobile Starfire model year introduction date was September 27, 1974.

Total 1975 Oldsmobile Starfire Production was 31,081.

Promotional Model Cars:

None

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