1971 Chevrolet Engines

1971 Chevrolet Engines

& Engine Accessories

All Series & Models

Except Vega

6 Cylinder Engine-250 Cu. In., 145 HP:

Bore & Stroke: 3.875" X 3.53"

Engine Displacement: 250 Cu. In.

Compression Ratio: 8.5:1

Taxable Horsepower: 36.03

Horsepower: 145 @ 4,200 RPM

Torque: 230 Ft. Lbs @ 1,600 RPM

Normal Oil Pressure: 30-45 Lbs/Sq. In.

Carburetor: 1 Barrel

8 Cylinder Engine-307 Cu. In., 200 HP:

Bore & Stroke: 3.875" X 3.25"

Engine Displacement: 307 Cu. In.

Compression Ratio: 8.50:1

Taxable Horsepower: 48.05

Horsepower: 200 @ 4,600 RPM

Torque: 300 Ft. Lbs @ 2,400 RPM

Normal Oil Pressure: 30-45 Lbs/Sq. In.

Carburetor: 2 Barrel

8 Cylinder Engine-350 Cu. In., 245 HP:

Bore & Stroke: 4.001" X 3.48"

Engine Displacement: 350 Cu. In.

Compression Ratio: 8.50:1

Taxable Horsepower: 51.22

Horsepower: 245 @ 4,800 RPM

Torque: 350 Ft. Lbs @ 2,800 RPM

Normal Oil Pressure: 30-45 Lbs/Sq. In.

Carburetor: 2 Barrel

8 Cylinder Engine-350 Cu. In., 270 HP:

Bore & Stroke: 4.001" X 3.48"

Engine Displacement: 350 Cu. In.

Compression Ratio: 8.5:1

Taxable Horsepower: 51.22

Horsepower: 270 @ 4,800 RPM

Torque: 360 Ft. Lbs @ 3,200 RPM

Normal Oil Pressure: 30-45 Lbs/Sq. In.

Carburetor: 4 Barrel

8 Cylinder Engine-350 Cu. In., 330 HP:

Bore & Stroke: 4.001" X 3.48"

Engine Displacement: 350 Cu. In.

Compression Ratio: 9.00:1

Taxable Horsepower: 51.22

Horsepower: 330 @ 5,600 RPM

Torque: 360 Ft. Lbs @ 4,000 RPM

Normal Oil Pressure: 30-45 Lbs/Sq. In.

Carburetor: 4 Barrel

8 Cylinder Engine-400 Cu. In., 255 HP:

Bore & Stroke: 4.125" X 3.75"

Engine Displacement: 400 Cu. In.

Compression Ratio: 8.50:1

Taxable Horsepower: 54.45

Horsepower: 255 @ 4,400 RPM

Torque: 390 Ft. Lbs @ 2,400 RPM

Normal Oil Pressure: 35-45 Lbs/Sq. In.

8 Cylinder Engine-402* Cu. In., 300 HP:

Bore & Stroke: 4.126" X 3.76"

Engine Displacement: 402 Cu. In.

Compression Ratio: 8.5:1

Taxable Horsepower: 54.45

Horsepower: 300 @ 4,800 RPM

Torque: 400 Ft. Lbs @ 3,200 RPM

Normal Oil Pressure: 35-45 Lbs/Sq. In.

Carburetor: 4 Barrel

* Marketed as 396 Cu. In.

8 Cylinder Engine-454 Cu. In., 365 HP:

Bore & Stroke: 4.251" X 4.00"

Engine Displacement: 454 Cu. In.

Compression Ratio: 8.5:1

Taxable Horsepower: 57.83

Horsepower: 365 @ 4,800 RPM

Torque: 465 Ft. Lbs @ 3,200 RPM

Normal Oil Pressure: 35-45 Lbs/Sq. In.

Carburetor: 4 Barrel

8 Cylinder Engine-454 Cu. In., 425 HP:

Bore & Stroke: 4.251" X 4.00"

Engine Displacement: 454 Cu. In.

Compression Ratio: 9.0:1

Taxable Horsepower: 57.83

Horsepower: 425 @ 5,600 RPM

Torque: 475 Ft. Lbs @ 4,000 RPM

Normal Oil Pressure: 35-45 Lbs/Sq. In.

Carburetor: 4 Barrel

Valve Specifications:

6 Cylinder Engine, 250 Cu. In.:

Valve Lash: 1 Turn Valve

Valve Angle:

Seat, 46 Degrees; Face, 45 Degrees

Valve Spring Installed Height: 1.66"

Valve Spring Pressure: 186 Lbs @ 1.27"

Valve Stem Clearance

Intake: .001-.0027"

Exhaust: .0015-.0032"

Valve Stem Diameter:

Intake: .3410"-.3417"

Exhaust: .3410"-.3417"

8 Cylinder Engine, 307 Cu. In.:

Valve Lash: 1 Turn

Valve Seat Angle:

Seat, 46 Degrees; Face, 45 Degrees

Valve Spring Installed Height: 1.70"

Valve Spring Pressure: 200 Lbs @ 1.25"

Valve Stem Clearance

Intake: .001-.0027"

Exhaust: .001-.0027"

Valve Stem Diameter:

Intake: .3410"-.3417"

Exhaust: .3410"-.3417"

8 Cylinder Engine, 350 Cu. In., 245 & 270 HP:

Valve Lash: 1 Turn

Valve Seat Angle:

Seat, 46 Degrees; Face, 45 Degrees

Valve Spring Installed Height: 1.70"

Valve Spring Pressure: 200 Lbs @ 1.25"

Valve Stem Clearance

Intake: .001-.0027"

Exhaust: .001-.0027"

Valve Stem Diameter:

Intake: .3410"-.3417"

Exhaust: .3410"-.3417"

8 Cylinder Engine, 350 Cu. In., 330 HP:

Valve Lash:

Intake (Hot): .024"

Exhaust (Hot): .030"

Valve Seat Angle:

Seat, 46 Degrees; Face, 45 Degrees

Valve Spring Installed Height: 1.70"

Valve Spring Pressure: 200 Lbs @ 1.25"

Valve Stem Clearance

Intake: .001-.0027"

Exhaust: .001-.0027"

Valve Stem Diameter:

Intake: .3410"-.3417"

Exhaust: .3410"-.3417"

8 Cylinder Engine, 402* Cu. In.:

Valve Lash: 1 Turn

Valve Seat Angle:

Seat, 46 Degrees; Face, 45 Degrees

Valve Spring Installed Height: 1.88"

Valve Spring Pressure; 240 Lbs @ 1.38"

Valve Stem Clearance

Intake: .001-.0027"

Exhaust: .001-.0027"

Valve Stem Diameter:

Intake: .3715"-.3722"

Exhaust: .3713"-.3722"

* Marketed as 396 Cu. In.

8 Cylinder Engine, 400 Cu. In.:

Valve Lash: 1 Turn

Valve Seat Angle:

Seat, 46 Degrees; Face, 45 Degrees

Valve Spring Installed Height: 1.70"

Valve Spring Pressure; 200 Lbs @ 1.25"

Valve Stem Clearance

Intake: .001-.0027"

Exhaust: .0012-.0027"

Valve Stem Diameter:

Intake: .3410"-.3417"

Exhaust: .3410"-.3417"

8 Cylinder Engine, 454 Cu. In., 365 HP:

Valve Lash: 1 Turn

Seat, 46 Degrees; Face, 45 Degrees

Valve Spring Installed Height: 1.88"

Valve Spring Pressure; 240 Lbs @ 1.38"

Valve Stem Clearance

Intake: .001-.0027"

Exhaust: .001-.0027"

Valve Stem Diameter:

Intake: .3715"-.3722"

Exhaust: .3715"-.3722

8 Cylinder Engine, 454 Cu. In., 425 HP:

Valve Lash:

Intake: .024" Hot

Exhaust: .028" Hot

Seat, 46 Degrees; Face, 45 Degrees

Valve Spring Installed Height: 1.88"

Valve Spring Pressure; 240 Lbs @ 1.38"

Valve Stem Clearance

Intake: .001-.0027"

Exhaust: .001-.0027"

Valve Stem Diameter:

Intake: .3715"-.3720"

Exhaust: .3715"-.3720"

Pistons, Pins, Rings, Crankshaft & Bearings:

6 Cylinder Engine, 250 Cu. In.:

Piston Clearance: .0015"-.0025"

Ring End Gap:

Compression Ring: .010

Oil Ring: .015

Wrist Pin Diameter: .9272"

Rod Bearings:

Shaft Diameter: 1.999"-2.000"

Bearing Clearance: .0007"-..0027"

Main Bearings:

Shaft Diameter: 2.2983"-2.2993"

Bearing Clearance: .0003"-.0029"

Thrust on Bearing #: 7

Shaft End Play: .002"-.006"

8 Cylinder Engine, 307 Cu. In.:

Piston Clearance: .0005"-.0011"

Ring End Gap:

Compression Ring: .010

Oil Ring: .015

Wrist Pin Diameter: .9272"

Rod Bearings:

Shaft Diameter: 2.009"-2.100"

Bearing Clearance: .0007" -.0027"

Main Bearings:

Shaft Diameter:

#1, 2, 3, & 4: 2.4484"-2.4493"

#5: 2.4479"-2.4488"

Bearing Clearance:

#1: .0003"-.0015"

#2, 3, & 4: .0006"-.0018"

#5: .0008"-.0023"

Thrust on Bearing #: 5

Shaft End Play: .002"-.006"

8 Cylinder Engine, 350 Cu. In., 245, & 270 HP:

Piston Clearance: .0007"-.0017"

Ring End Gap:

Compression Ring: .010

Oil Ring: .015

Wrist Pin Diameter: .9272"

Rod Bearings:

Shaft Diameter: 2.099"-2.100"

Bearing Clearance: .0013"-.0035"

Main Bearings:

Shaft Diameter:

#1, 2, 3, & 4: 2.4484"-2.4493"

#5: 2.4479"-2.4488"

Bearing Clearance:

#1: .0008"-.0020"; #2, 3, & 4: .0013"-.0023"

#5: .0019"-.0035"

Thrust on Bearing #: 5

Shaft End Play: .002"-.006"

8 Cylinder Engine, 350 Cu. In., Except 245 & 270 HP:

Piston Clearance: .0036"-.0042"

Ring End Gap:

Compression Ring: .010

Oil Ring: .015

Wrist Pin Diameter: .9272"

Rod Bearings:

Shaft Diameter: 2.099"-2.100"

Bearing Clearance: .0013"-.0035"

Main Bearings:

Shaft Diameter:

Manual Transmission: #1, 2, 3, & 4: 2.7481"-2.7490"

#5: 2.7473"-2.7483"

Automatic Transmission: #1: 2.745"-2.7484"; #2, 3, & 4: 2.7481"-2.7490"

#5: 2.7473"-2.7483"

Bearing Clearance:

Manual Transmission: #1, 2, 3, & 4: .0013"-.0025"

#5: .0023"-.0033"

Automatic Transmission: #1: .0019"-.0031"; #2, 3, & 4: .0013"-.0025"

#5: .0023"-.0033"

Thrust on Bearing #: 5

Shaft End Play: .002"-.006"

8 Cylinder Engine, 402* Cu. In.:

Piston Clearance: .0018"-.0026"

Ring End Gap:

Compression Ring: .010"

Oil Ring: .010"

Wrist Pin Diameter: .9897"

Rod Bearings:

Shaft Diameter: 2.199"-2.200"

Bearing Clearance: .0009"-.0025"

Main Bearings:

Shaft Diameter:

#1 & 2: 2.7487"-2.7490"; #3 & 4: 2.7481"-2.7490"

#5: 2.7478"-2.7488"

Bearing Clearance:

#1: .0007"-.0019"; #2, 3, & 4: .0013"-.0025"

#5: .0019"-.0035"

Thrust on Bearing #: 5

Shaft End Play: .006"-.010"

* Marketed as 396 Cu. In.

8 Cylinder Engine, 400 Cu. In.:

Piston Clearance: .0014"-.0020"

Ring End Gap:

Compression Ring: .010"

Oil Ring: .015"

Wrist Pin Diameter: .9272"

Rod Bearings:

Shaft Diameter: 2.099"-2.100"

Bearing Clearance: .0013"-.0035"

Main Bearings:

Shaft Diameter:

#1, 2, 3, 4: 2.6484-2.6493"

#5: 2.6479"-2.6488"

Bearing Clearance:

#1: .0008"-.0020"; 2, 3, & 4: .0011"-.0023"

#5: .0017"-.0033"

Thrust on Bearing #: 5

Shaft End Play: .006"-.010"

8 Cylinder Engine, 454 Cu. In., Except 425 HP:

Piston Clearance: .0024"-.0034"

Ring End Gap:

Compression Ring: .010"

Oil Ring: .015"

Wrist Pin Diameter: .9897"

Rod Bearings:

Shaft Diameter: 2.199"-2.200"

Bearing Clearance: .0009"-.0025"

Main Bearings:

Shaft Diameter:

#1: 2.7485"-2.7494"

#2, 3 & 4: 2.7481"-2.7490"

#5: 2.7478"-2.7488"

Bearing Clearance:

#1, 2, 3, & 4: .0013"-.0025"

#5: .0024"-.0040"

Thrust on Bearing #: 5

Shaft End Play: .006"-.010"

8 Cylinder Engine, 454 Cu. In., 425 HP:

Piston Clearance: .0040"-.0050"

Ring End Gap:

Compression Ring: .010"

Oil Ring: .015"

Wrist Pin Diameter: .9897"

Rod Bearings:

Shaft Diameter: 2.199"-2.200"

Bearing Clearance: .0009"-.0025"

Main Bearings:

Shaft Diameter:

#1, 2, 3 & 4: 2.7481"-2.7490"

#5: 2.7478"-2.7488"

Bearing Clearance:

#1, 2, 3, & 4: .0013"-.0025"

#5: .0029"-.0045"

Thrust on Bearing #: 5

Shaft End Play: .006"-.010"

Engine Tightening Specifications:

Engine Tightening, 6 Cylinder, 250 Cu. In.:

Spark Plugs: 15 Ft. Lbs

Cylinder Head Bolts: 95 Ft. Lbs

Intake Manifold:

End Clamp Bolts: 20 Ft. Lbs

Center Clamp Bolts: 30 Ft. Lbs

Exhaust Manifold:

End Clamp Bolts: 20 Ft. Lbs

Center Clamp Bolts: 30 Ft. Lbs

Rocker Arm Cover: 45 Inch Lbs.

Connecting Rod Cap Bolts: 35 Ft. Lbs

Main Bearing Cap Bolts: 65 Ft. Lbs.

Flywheel to Crankshaft: 60 Ft. Lbs.

Vibration Damper: 60 Ft. Lbs.

Engine Tightening, 8 Cylinder, 307 Cu. In.:

Spark Plugs: 15 Ft. Lbs

Cylinder Head Bolts: 65 Ft. Lbs.

Intake Manifold: 30 Ft. Lbs

Exhaust Manifold: 20 Ft. Lbs (Inside Bolts: 30 Ft. Lbs.)

Rocker Arm Cover: 45 Inch Lbs.

Connecting Rod Cap Bolts: 45 Ft. Lbs.

Main Bearing Cap Bolts: 75 Ft. Lbs.

Outer Bolts on Engines with 4 Bolt Caps: 65 Ft. Lbs.

Flywheel to Crankshaft: 60 Ft. Lbs.

Vibration Damper: 60 Ft. Lbs.

Engine Tightening, 8 Cylinder, 350 Cu. In.:

Spark Plugs: 15 Ft. Lbs

Cylinder Head Bolts: 65 Ft. Lbs.

Intake Manifold: 30 Ft. Lbs

Exhaust Manifold:

Outside Bolts: 20 Ft. Lbs

Inside Bolts: 30 Ft. Lbs.

Rocker Arm Stud: 50 Ft. Lbs.

Rocker Arm Cover: 45 Inch Lbs.

Connecting Rod Cap Bolts: 45 Ft. Lbs.

Main Bearing Cap Bolts: 75 Ft. Lbs.

Outer Bolts on Engines with 4 Bolt Caps: 65 Ft. Lbs.

Flywheel to Crankshaft: 60 Ft. Lbs.

Vibration Damper: 60 Ft. Lbs.

Engine Tightening, 8 Cylinder, 402* Cu. In.:

Spark Plugs: 15 Ft. Lbs

Cylinder Head Bolts: 80 Ft. Lbs.

Intake Manifold: 30 Ft. Lbs

Exhaust Manifold: 20 Ft. Lbs

Rocker Arm Studs: 50 Ft. Lbs.

Rocker Arm Cover: 50 Inch Lbs.

Connecting Rod Cap Bolts: 50 Ft. Lbs

Main Bearing Cap Bolts: 105 Ft. Lbs.

Flywheel to Crankshaft: 65 Ft. Lbs.

Vibration Damper: 85 Ft. Lbs.

* Marketed as 396 Cu. In.

Engine Tightening, 8 Cylinder, 400 Cu. In.:

Spark Plugs: 25 Ft. Lbs

Cylinder Head Bolts: 65 Ft. Lbs.

Intake Manifold: 30 Ft. Lbs

Exhaust Manifold: 20 Ft. Lbs

Rocker Arm Cover: 55 Inch Lbs.

Connecting Rod Cap Bolts: 45 Ft. Lbs

Main Bearing Cap Bolts: 75 Ft. Lbs.

Flywheel to Crankshaft: 60 Ft. Lbs.

Vibration Damper: 60 Ft. Lbs.

Engine Tightening, 8 Cylinder, 454 Cu. In.:

Spark Plugs: 15 Ft. Lbs

Cylinder Head Bolts: 80 Ft. Lbs.

Intake Manifold: 30 Ft. Lbs

Exhaust Manifold: 20 Ft. Lbs

Rocker Arm Studs: 50 Ft. Lbs.

Rocker Arm Cover: 50 Inch Lbs.

Connecting Rod Cap Bolts: 50 Ft. Lbs

Main Bearing Cap Bolts: 105 Ft. Lbs.

Flywheel to Crankshaft: 65 Ft. Lbs.

Vibration Damper: 85 Ft. Lbs.

Alternator & Regulator Specifications:

Alternator #1100543

Rated Capacity: 42 Amperes

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

Output @ 14 Volts: 37 Amperes @ 5,000 RPM

Alternator #1100544

Rated Capacity: 61 Amperes

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

Output @ 14 Volts: 55 Amperes @ 5,000 RPM

Alternator #1100566

Rated Capacity: 37 Amperes

Field Current, 12 Volts @ 80 Degrees: 2.2-2.6 Amperes

Output @ 14 Volts: 25 Amperes @ 2,000 RPM; 35 Amperes @ 5,000 RPM

Regulator #1119515

Field Relay:

Air Gap: .015"

Point Gap: .030"

Closing Voltage: 1.5 to 3.2 Volts

Voltage Regulator:

Air Gap: .067"

Point Gap: .014"

Voltage @ 125 Degrees: 13.8 to 14.8 Volts

Alternator #1100567

Rated Capacity: 42 Amperes

Field Current, 12 Volts @ 80 Degrees: 2.2 to 2.6 Amperes

Output @ 14 Volts:

2000 RPM: 28 Amperes

5000 RPM: 40 Amperes

Regulator #1119515

Field Relay:

Air Gap: .015"

Point Gap: .030"

Closing Voltage: 1.5 to 3.2 Volts

Voltage Regulator:

Air Gap: .067"

Point Gap: .014"

Voltage @ 125 Degrees: 13.8-14.8 Volts

Alternator #1100836

Rated Capacity: 37 Amperes

Field Current, 12 Volts @ 80 Degrees: 2.2 to 2.6 Amperes

Output @ 14 Volts:

2000 RPM: 25 Amperes

5000 RPM: 35 Amperes

Regulator #1119515

Field Relay:

Air Gap: .015"

Point Gap: .030"

Closing Voltage: 1.5 to 3.2 Volts

Voltage Regulator:

Air Gap: .067"

Point Gap: .014"

Voltage @ 125 Degrees: 13.8 to 14.8 Volts

Alternator #1100837

Rated Capacity: 37 Amperes

Field Current, 12 Volts @ 80 Degrees: 2.2 to 2.6 Amperes

Output @ 14 Volts:

2000 RPM: 25 Amperes

5000 RPM: 35 Amperes

Regulator #1119515

Field Relay:

Air Gap: .015"

Point Gap: .030"

Closing Voltage: 1.5 to 3.2 Volts

Voltage Regulator:

Air Gap: .067"

Point Gap. .014"

Voltage @ 125 Degrees: 13.8 to 14.8 Volts

Alternator #1100843

Rated Capacity: 61Amperes

Field Current, 12 Volts @ 80 Degrees: 2.2 to 2.6 Amperes

Output @ 14 Volts:

2000 RPM: 33 Amperes

5000 RPM: 58 Amperes

Regulator #1119515

Field Relay:

Air Gap: .015"

Point Gap: .030"

Closing Voltage: 1.5 to 3.2 Volts

Voltage Regulator:

Air Gap: .067"

Point Gap. .014"

Voltage @ 125 Degrees: 13.8 to 14.8 Volts

Alternator #1100917

Rated Capacity: 63 Amperes

Field Current, 12 Volts @ 80 Degrees: 2.8 to 3.2 Amperes

Output @ 14 Volts:

2000 RPM: 35 Amperes

5000 RPM: 59 Amperes

Regulator #1119519

Field Relay:

Air Gap: .030"

Point Gap: .030"

Closing Voltage: 1.5 to 3.2 Volts

Voltage Regulator:

Air Gap: .067"

Point Gap. .014"

Voltage @ 125 Degrees: 13.8 to 14.8 Volts

Alternator #1100950

Ground Polarity: Negative

Rated Capacity: 42 Amperes

Output @ 14 Volts:

5000 RPM: 37 Amperes

Integral System

Distributor Specifications:

Distributor #1110489

Advance Starts: 0 Degrees @ 475 RPM

Intermediate Advance: 1 Degree @ 635 RPM

Intermediate Advance: 7 Degree @ 1,150 RPM

Full Advance: 12 Degrees @ 2,050 RPM

Vacuum Advance Data:

Vacuum to Start Plunger Movement: 8 Inches

Vacuum for Full Plunger Travel: 11-1/2 Degrees @ 16 Inches Vacuum

Distributor #1112005

Advance Starts: 0 Degrees @ 400 RPM

Intermediate Advance: 1 Degree @ 600 RPM

Intermediate Advance: 6 Degree @ 1,100 RPM

Full Advance: 12 Degrees @ 2,150 RPM

Vacuum Advance Data:

Vacuum to Start Plunger Movement: 8 Inches

Vacuum for Full Plunger Travel: 10 Degrees @ 17 Inches Vacuum

Distributor #1112038

Advance Starts: 0 Degrees @ 530 RPM

Intermediate Advance: 1 Degree @ 670 RPM

Intermediate Advance: 8-1/2 Degree @ 1,200 RPM

Full Advance: 12 Degrees @ 2,400 RPM

Vacuum Advance Data:

Vacuum to Start Plunger Movement: 8 Inches

Vacuum for Full Plunger Travel: 7-1/2 Degrees @ 15 Inches Vacuum

Distributor #1112039

Advance Starts: 0 Degrees @ 340 RPM

Intermediate Advance: 1 Degree @ 670 RPM

Full Advance: 10 Degrees @ 2,100 RPM

Vacuum Advance Data:

Vacuum to Start Plunger Movement: 8 Inches

Vacuum for Full Plunger Travel: 10 Degrees @ 17 Inches Vacuum

Distributor #1112042

Advance Starts: 0 Degrees @ 440 RPM

Intermediate Advance: 1 Degree @ 560 RPM

Intermediate Advance: 5 Degree @ 800 RPM

Intermediate Advance: 7-1/2 Degree @ 1,100 RPM

Full Advance: 14 Degrees @ 2,150 RPM

Vacuum Advance Data:

Vacuum to Start Plunger Movement: 8 Inches

Vacuum for Full Plunger Travel: 10 Degrees @ 17 Inches Vacuum

Distributor #1112044

Advance Starts: 0 Degrees @ 420 RPM

Intermediate Advance: 1 Degree @ 580 RPM

Intermediate Advance: 5 Degree @ 900 RPM

Intermediate Advance: 7-1/2 Degree @ 1,200 RPM

Full Advance: 11 Degrees @ 2,100 RPM

Vacuum Advance Data:

Vacuum to Start Plunger Movement: 8 Inches

Vacuum for Full Plunger Travel: 7-1/2 Degrees @ 15 Inches Vacuum

Distributor #1112045

Advance Starts: 0 Degrees @ 350 RPM

Intermediate Advance: 1 Degree @ 670 RPM

Intermediate Advance: 5-1/2 Degree @ 900 RPM

Full Advance: 9 Degrees @ 2,100 RPM

Vacuum Advance Data:

Vacuum to Start Plunger Movement: 8 Inches

Vacuum for Full Plunger Travel: 7-1/2 Degrees @ 15 Inches Vacuum

Distributor #1112049

Advance Starts: 0 Degrees @ 535 RPM

Intermediate Advance: 1 Degree @ 665 RPM

Intermediate Advance: 8 Degree @ 1,125 RPM

Full Advance: 12 Degrees @ 2,500 RPM

Vacuum Advance Data:

Vacuum to Start Plunger Movement: 8 Inches

Vacuum for Full Plunger Travel: 7-1/2 Degrees @ 15 Inches Vacuum

Distributor #1112050

Advance Starts: 0 Degrees @ 435 RPM

Intermediate Advance: 1 Degree @ 670 RPM

Intermediate Advance: 5-1/2 Degree @ 1,200 RPM

Full Advance: 9 Degrees @ 2,100 RPM

Vacuum Advance Data:

Vacuum to Start Plunger Movement: 8 Inches

Vacuum for Full Plunger Travel: 6 Degrees @ 15 Inches Vacuum

Distributor #1112051

Advance Starts: 0 Degrees @ 430 RPM

Intermediate Advance: 1 Degree @ 570 RPM

Intermediate Advance: 7 Degree @ 1,000 RPM

Full Advance: 11 Degrees @ 1,950 RPM

Vacuum Advance Data:

Vacuum to Start Plunger Movement: 8 Inches

Vacuum for Full Plunger Travel: 10 Degrees @ 17 Inches Vacuum

Distributor #1112052

Advance Starts: 0 Degrees @ 430 RPM

Intermediate Advance: 1 Degree @ 670 RPM

Intermediate Advance: 7 Degree @ 1,000 RPM

Full Advance: 11 Degrees @ 1,950 RPM

Vacuum Advance Data:

Vacuum to Start Plunger Movement: 8 Inches

Vacuum for Full Plunger Travel: 10 Degrees @ 17 Inches Vacuum

Distributor #1112053

Advance Starts: 0 Degrees @ 545 RPM

Intermediate Advance: 1 Degree @ 655 RPM

Intermediate Advance: 11 Degree @ 1,200 RPM

Full Advance: 14 Degrees @ 2,750 RPM

Vacuum Advance Data:

Vacuum to Start Plunger Movement: 7 Inches

Vacuum for Full Plunger Travel: 6 Degrees @ 12 Inches Vacuum

Distributor #1112054

Advance Starts: 0 Degrees @ 545 RPM

Intermediate Advance: 1 Degree @ 660 RPM

Intermediate Advance: 10-1/2 Degree @ 1,175 RPM

Full Advance: 14 Degrees @ 2,500 RPM

Vacuum Advance Data:

Vacuum to Start Plunger Movement: 7 Inches

Vacuum for Full Plunger Travel: 6 Degrees @ 12 Inches Vacuum

Distributor #1112055

Advance Starts: 0 Degrees @ 500 RPM

Intermediate Advance: 1 Degree @ 600 RPM

Intermediate Advance: 4-1/2 Degree @ 760 RPM

Intermediate Advance: 8-1/2 Degree @ 1,150 RPM

Full Advance: 14 Degrees @ 2,250 RPM

Vacuum Advance Data:

Vacuum to Start Plunger Movement: 10 Inches

Vacuum for Full Plunger Travel: 9 Degrees @ 17 Inches Vacuum

Distributor #1112056

Advance Starts: 0 Degrees @ 475 RPM

Intermediate Advance: 1 Degree @ 635 RPM

Intermediate Advance: 7 Degree @ 1,150 RPM

Full Advance: 12 Degrees @ 2,250 RPM

Vacuum Advance Data:

Vacuum to Start Plunger Movement: 10 Inches

Vacuum for Full Plunger Travel: 9 Degrees @ 17 Inches Vacuum

Distributor #1112057

Advance Starts: 0 Degrees @ 475 RPM

Intermediate Advance: 1 Degree @ 630 RPM

Intermediate Advance: 8 Degree @ 1,200 RPM

Full Advance: 15 Degrees @ 2,200 RPM

Vacuum Advance Data:

Vacuum to Start Plunger Movement: 8 Inches

Vacuum for Full Plunger Travel: 10 Degrees @ 17 Inches Vacuum

Distributor #11120474

Advance Starts: 0 Degrees @ 520 RPM

Intermediate Advance: 1 Degree @ 680 RPM

Intermediate Advance: 6 Degree @ 1,100 RPM

Full Advance: 10 Degrees @ 2,500 RPM

Vacuum Advance Data:

Vacuum to Start Plunger Movement: 8 Inches

Vacuum for Full Plunger Travel: 7-1/2 Degrees @ 15 Inches Vacuum

Distributor #1112075

Advance Starts: 0 Degrees @ 650 RPM

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

Intermediate Advance: 6 Degree @ 1,200 RPM

Full Advance: 8 Degrees @ 2,500 RPM

Vacuum Advance Data:

Vacuum to Start Plunger Movement: 7 Inches

Vacuum for Full Plunger Travel: 6 Degrees @ 12 Inches Vacuum

Distributor #1112076

Advance Starts: 0 Degrees @ 550 RPM

Intermediate Advance: 1-1/2 Degrees @ 650 RPM

Intermediate Advance: 5.4 Degrees @ 795 RPM

Intermediate Advance: 12-1/2 Degree @ 1,175 RPM

Full Advance: 16 Degrees @ 2,500 RPM

Vacuum Advance Data:

Vacuum to Start Plunger Movement: 7 Inches

Vacuum for Full Plunger Travel: 6 Degrees @ 12 Inches Vacuum

Distributor #1112095

Advance Starts: 0 Degrees @ 545 RPM

Intermediate Advance: 1 Degree @ 655 RPM

Intermediate Advance: 10-1/2 Degrees @ 1,175 RPM

Full Advance: 14 Degrees @ 2,500 RPM

Vacuum Advance Data:

Vacuum to Start Plunger Movement: 8 Inches

Vacuum for Full Plunger Travel: 7-1/2 Degrees @ 15 Inches Vacuum

Distributor #1112099

Advance Starts: 0 Degrees @ 475 RPM

Intermediate Advance: 1 Degrees @ 635 RPM

Intermediate Advance: 7 Degrees @ 1,150 RPM

Intermediate Advance: 7 Degree @ 1,150 RPM

Full Advance: 12 Degrees @ 2,250 RPM

Vacuum Advance Data:

Vacuum to Start Plunger Movement: 8 Inches

Vacuum for Full Plunger Travel: 10 Degrees @ 17 Inches Vacuum

Starting Motor Specifications:

6 Cylinder, 250 Cu. In.:

Starter #1108365

Brush Spring Tension: 35 Ounces (Minimum)

Free Speed Test:

50-80 Amperes

9 Volts @ 5,500-10,500 RPM

8 Cylinder, 307, 350, 400, 402, & 454 Cu. In.:

Starter #1108418

Brush Spring Tension: 35 Ounces (Minimum)

Free Speed Test:

65-95 Amperes

9 Volts @ 7,500-10,500 RPM

Starter #1108430

Brush Spring Tension: 35 Ounces (Minimum)

Free Speed Test:

65-95 Amperes

9 Volts @ 7,500-10,500 RPM

8 Cylinder, 454 Cu. In.:

Starter #1108429

Brush Spring Tension: 35 Ounces (Minimum)

Free Speed Test:

65-95 Amperes

9 Volts @ 7,500-10,500 RPM

Starter #1108400

Brush Spring Tension: 35 Ounces (Minimum)

Free Speed Test:

65-95 Amperes

9 Volts @ 7,500-10,500 RPM

Carburetor Specifications:

Rochester Carburetor Data, 6 Cylinder:

Rochester Type M & MV:

Carburetor #: 7041014

Float Level: 1/4"

Metering Rod: .080"

Fast Idle Adjustment, off Car: .100"

Choke Rod: .160"

Vacuum Break: .200"

Unloader: .350"

Rochester Type M & MV:

Carburetor #: 7041017

Float Level: 1/4"

Metering Rod: .080"

Fast Idle Adjustment, off Car: .100"

Choke Rod: .180"

Vacuum Break: .230"

Unloader: .350"

Rochester Type M & MV:

Carburetor #: 7041023, 7041024

Float Level: 1/16"

Fast Idle Adjustment, off Car: .110"

Choke Rod: .120"

Vacuum Break: .200"

Unloader: .350"

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

Carburetor #: 7041101

Float Level: 27/32"

Float Drop: 1-3/4"

Pump Rod: 1-5/16"

Vacuum Break: .110"

Choke Rod: .075"

Choke Unloader: .215"

Carburetor #: 7041102

Float Level: 25/32"

Float Drop: 1-3/8"

Pump Rod: 1-17/32"

Vacuum Break: .170"

Choke Rod: .100"

Choke Unloader: .325"

Carburetor #: 7041106

Float Level: 9/16"

Float Drop: 1-7/8"

Pump Rod: 1-3/16"

Vacuum Break: .085"

Choke Rod: .080"

Choke Unloader: .200"

Carburetor #: 7041107

Float Level: 9/16"

Float Drop: 1-7/8"

Pump Rod: 1-3/16"

Vacuum Break: .100"

Choke Rod: .080"

Choke Unloader: .200"

Carburetor #: 7041110

Float Level: 27/32"

Float Drop: 1-3/4"

Pump Rod: 1-5/16"

Vacuum Break: .080"

Choke Rod: .040"

Choke Unloader: .215"

Carburetor #: 7041113

Float Level: 23/32"

Float Drop: 1-3/8"

Pump Rod: 1-17/32"

Vacuum Break: .180"

Choke Rod: .100"

Choke Unloader: .325"

Carburetor #: 7041114

Float Level: 25/32"

Float Drop: 1-3/8"

Pump Rod: 1-17/32"

Vacuum Break: .170"

Choke Rod: .100"

Choke Unloader: .325"

Carburetor #: 7041117

Float Level: 23/32"

Float Drop: 1-3/8"

Pump Rod: 1-17/32"

Vacuum Break: .170"

Choke Rod: .100"

Choke Unloader: .325"

Carburetor #: 7041118

Float Level: 23/32"

Float Drop: 1-3/8"

Pump Rod: 1-17/32"

Vacuum Break: .170"

Choke Rod: .100"

Choke Unloader: .325"

Carburetor #: 7041127

Float Level: 23/32"

Float Drop: 1-3/8"

Pump Rod: 1-17/32"

Vacuum Break: .170"

Choke Rod: .100"

Choke Unloader: .325"

Rochester 4MC & 4MV:

Carburetor #: 7041200

Float Level: 1/4"

Choke Rod: .100"

Vacuum Break: .260"

Air Valve Dashpot: .020"

Choke Unloader: .450"

Air Valve Spring Wind-Up: 7/16"

Carburetor #: 7041201

Float Level: 1/4"

Pump Rod:

Inner Hole

Fast Idle (Bench): 2 Turns

Choke Rod: .100"

Vacuum Break: .275"

Air Valve Dashpot: .020"

Choke Unloader: .450"

Air Valve Spring Wind-Up: 7/16"

Carburetor #: 7041202, 7041204

Float Level: 1/4"

Pump Rod:

Inner Hole

Fast Idle (Bench): 2 Turns

Choke Rod: .100"

Vacuum Break: .260"

Air Valve Dashpot: .020"

Choke Unloader: .450"

Air Valve Spring Wind-Up: 7/16"

Carburetor #: 7041203, 7041205

Float Level: 1/4"

Pump Rod:

Inner Hole

Fast Idle (Bench): 2 Turns

Choke Rod: .100"

Vacuum Break: .275"

Air Valve Dashpot: .020"

Choke Unloader: .450

Air Valve Spring Wind-Up: 7/16"

Carburetor #: 7041212

Float Level: 1/4"

Pump Rod:

Inner Hole

Fast Idle (Bench): 2 Turns

Choke Rod: .100"

Vacuum Break: .260"

Air Valve Dashpot: .020"

Air Valve Spring Wind-Up: 7/16"

Carburetor #: 7041213

Float Level: 1/4"

Pump Rod:

Inner Hole

Fast Idle (Bench): 2 Turns

Choke Rod: .100"

Vacuum Break: .275"

Air Valve Dashpot: .020"

Choke Unloader: .450

Air Valve Spring Wind-Up: 7/16"

Holley Model 4150 & 4160:

Carburetor #: R-4800-A, R4801-A, R4802-A, R4803-A

Pump Lever Clearance: .015"

Choke Setting: 1.320"

Choke Unloader Clearance: .350"

Fast Idle, Bench: .025"

Fast Idle, On Car: 2,200 RPM

Choke Vacuum Break: .350"