1974 Chevrolet Engines
& Engine Accessories
All Series & Models
Except Vega
6 Cylinder Engine-250 Cu. In., 100 HP:
Bore & Stroke: 3.875" X 3.53"
Engine Displacement: 250 Cu. In.
Compression Ratio: 8.25:1
Taxable Horsepower: 36.03
Horsepower: 100 @ 3,600 RPM
Torque: 175 Ft. Lbs @ 1,800 RPM
Normal Oil Pressure: 40 Lbs/Sq. In.
Carburetor: 1 Barrel
8 Cylinder Engine-350 Cu. In., 145 HP:
Bore & Stroke: 4.00" X 3.48"
Engine Displacement: 350 Cu. In.
Compression Ratio: 8.50:1
Taxable Horsepower: 51.22
Horsepower: 145 @ 3,600 RPM
Torque: 250 Ft. Lbs @ 2,200 RPM
Normal Oil Pressure: 40 Lbs/Sq. In.
Carburetor: 2 Barrel
8 Cylinder Engine-350 Cu. In., 160 HP:
Bore & Stroke: 4.00" X 3.48"
Engine Displacement: 350 Cu. In.
Compression Ratio: 8.5:1
Taxable Horsepower: 51.22
Horsepower: 160 @ 3,800 RPM
Torque: 250 Ft. Lbs @ 2,400 RPM
Normal Oil Pressure: 40 Lbs/Sq. In.
Carburetor: 4 Barrel
8 Cylinder Engine-350 Cu. In., 185 HP:
Bore & Stroke: 4.00" X 3.48"
Engine Displacement: 350 Cu. In.
Compression Ratio: 8.50:1
Taxable Horsepower: 51.22
Horsepower: 185 @ 4,000 RPM
Torque: 270 Ft. Lbs @ 2,600 RPM
Normal Oil Pressure: 40 Lbs/Sq. In.
Carburetor: 4 Barrel
8 Cylinder Engine-350 Cu. In., 195 HP:
Bore & Stroke: 4.00" X 3.48"
Engine Displacement: 350 Cu. In.
Compression Ratio: 8.50:1
Taxable Horsepower: 51.22
Horsepower: 195 @ 4,400 RPM
Torque: 275 Ft. Lbs @ 2,800 RPM
Normal Oil Pressure: 40 Lbs/Sq. In.
Carburetor: 4 Barrel
8 Cylinder Engine-350 Cu. In., 245 HP:
Bore & Stroke: 4.00" X 3.48"
Engine Displacement: 350 Cu. In.
Compression Ratio: 9.00:1
Taxable Horsepower: 51.22
Horsepower: 245 @ 5,200 RPM
Torque: 280 Ft. Lbs @ 4,000 RPM
Normal Oil Pressure: 40 Lbs/Sq. In.
Carburetor: 4 Barrel
8 Cylinder Engine-350 Cu. In., 250 HP:
Bore & Stroke: 4.00" X 3.48"
Engine Displacement: 350 Cu. In.
Compression Ratio: 9.00:1
Taxable Horsepower: 51.22
Horsepower: 250 @ 5,200 RPM
Torque: 285 Ft. Lbs @ 4,000 RPM
Normal Oil Pressure: 40 Lbs/Sq. In.
Carburetor: 4 Barrel
8 Cylinder Engine-400 Cu. In., 150 HP:
Bore & Stroke: 4.126" X 3.75"
Engine Displacement: 400 Cu. In.
Compression Ratio: 8.50:1
Taxable Horsepower: 54.45
Horsepower: 150 @ 3,200 RPM
Torque: 295 Ft. Lbs @ 2,000 RPM
Normal Oil Pressure: 40 Lbs/Sq. In
Carburetor: 2 Barrel
8 Cylinder Engine-400 Cu. In., 180 HP:
Bore & Stroke: 4.126" X 3.75"
Engine Displacement: 400 Cu. In.
Compression Ratio: 8.50:1
Taxable Horsepower: 54.45
Horsepower: 180 @ 3,800 RPM
Torque: 290 Ft. Lbs @ 2,400 RPM
Normal Oil Pressure: 40 Lbs/Sq. In
Carburetor: 4 Barrel
8 Cylinder Engine-454 Cu. In., 235 HP:
Bore & Stroke: 4.251" X 4.00"
Engine Displacement: 454 Cu. In.
Compression Ratio: 8.5:1
Taxable Horsepower: 57.83
Horsepower: 235 @ 4,000 RPM
Torque: 360 Ft. Lbs @ 2,800 RPM
Normal Oil Pressure: 45 Lbs/Sq. In.
Carburetor: 4 Barrel
8 Cylinder Engine-454 Cu. In., 270 HP:
Bore & Stroke: 4.251" X 4.00"
Engine Displacement: 454 Cu. In.
Compression Ratio: 8.5:1
Taxable Horsepower: 57.83
Horsepower: 270 @ 4,400 RPM
Torque: 380 Ft. Lbs @ 2,800 RPM
Normal Oil Pressure: 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, 350 Cu. In., 145 & 160 HP:
Valve Lash: 1 Turn
Valve Seat Angle:
Seat, 46 Degrees; Face, 45 Degrees
Valve Spring Installed Height:
Intake: 1.70"
Exhaust: 1.61"
Valve Spring Pressure:
Intake: 200 Lbs. @ 1.25"
Exhaust: 189 Lbs @ 1.20"
Valve Stem Clearance
Intake: .001-.0027"
Exhaust: .001-.0029"
Valve Stem Diameter:
Intake: .3410"-.3417"
Exhaust: .3410"-.3417"
8 Cylinder Engine, 350 Cu. In., 185 & 245 HP:
Valve Lash: 1 Turn
Valve Seat Angle:
Seat, 46 Degrees; Face, 45 Degrees
Valve Spring Installed Height:
Intake: 1.70"
Exhaust: 1.61"
Valve Spring Pressure:
Intake: 200 Lbs. @ 1.25"
Exhaust: 189 Lbs @ 1.20"
Valve Stem Clearance
Intake: .001-.0027"
Exhaust: .001-.0029"
Valve Stem Diameter:
Intake: .3410"-.3417"
Exhaust: .3410"-.3417"
8 Cylinder Engine, 350 Cu. In., 250 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-.0029"
Valve Stem Diameter:
Intake: .3410"-.3417"
Exhaust: .3410"-.3417"
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.:
Valve Lash: 1 Turn
Seat, 46 Degrees; Face, 45 Degrees
Valve Spring Installed Height: 1.88"
Valve Spring Pressure: 300 Lbs @ 1.38"
Valve Stem Clearance
Intake: .001-.0027"
Exhaust: .001-.0027"
Valve Stem Diameter:
Intake: .3715"-.3722"
Exhaust: .3715"-.3722"
Pistons, Pins, Rings, Crankshaft & Bearings:
6 Cylinder Engine, 250 Cu. In.:
Piston Clearance: .0005"-.0015"
Ring End Gap:
Compression Ring: .010
Oil Ring: .015
Wrist Pin Diameter: .9272"
Rod Bearings:
Shaft Diameter: 1.9928"-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, 350 Cu. In., Except 245 & 250 HP:
Piston Clearance: .0007"-.0013"
Ring End Gap:
Compression Ring:
Top Ring: .010"
Lower Ring: .013"
Oil Ring: .015"
Wrist Pin Diameter: .9272"
Rod Bearings:
Shaft Diameter: 2.099"-2.100"
Bearing Clearance: .0013"-.0035"
Main Bearings:
Shaft Diameter:
#1: 2.4484"-2.4493"; #2, 3, & 4: 2.4481"-2.4490"
#5: 2.4479"-2.4488"
Bearing Clearance:
#1: .0008"-.0020"; #2, 3, & 4: .0011"-.0023"
#5: .0017"-.0033"
Thrust on Bearing #: 5
Shaft End Play: .002"-.006"
8 Cylinder Engine, 350 Cu. In., 245 & 250 HP:
Piston Clearance: .0036"-.0042"
Ring End Gap:
Compression Ring:
Top Ring: .010"
Lower Ring: .013"
Oil Ring: .015
Wrist Pin Diameter: .9272"
Rod Bearings:
Shaft Diameter: 2.099"-2.100"
Bearing Clearance: .0013"-.0035"
Main Bearings:
Shaft Diameter:
#1: 2.4484"-2.4493"; #2, 3, & 4: 2.4481"-2.4490"
#5: 2.4479"-2.4488"
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, 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: .002"-.006"
8 Cylinder Engine, 454 Cu. In.:
Piston Clearance: .0018"-.0028"
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"
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, 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, 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: 110 Ft. Lbs.
Flywheel to Crankshaft: 65 Ft. Lbs.
Vibration Damper: 85 Ft. Lbs.
Alternator & Regulator Specifications:
Alternator #1100497
Rated Capacity: 37 Amperes
Field Current, 12 Volts @ 80 Degrees: 4.0-4.5 Amperes
Output @ 14 Volts: 36 Amperes @ 7,000 RPM
Integral Regulator
Alternator #1100934
Rated Capacity: 37 Amperes
Field Current, 12 Volts @ 80 Degrees: 4.0-4.5 Amperes
Output @ 14 Volts: 32 Amperes @ 5,000 RPM
Integral Regulator
Alternator #1100950
Rated Capacity: 63 Amperes
Field Current, 12 Volts @ 80 Degrees: 4.0-4.5 Amperes
Output @ 14 Volts: 38 Amperes @ 5,000 RPM
Integral Regulator
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
Integral Regulator
Alternator #1100573
Rated Capacity: 42 Amperes
Field Current, 12 Volts @ 80 Degrees: 4.0-4.5 Amperes
Output @ 14 Volts: 37 Amperes @ 5,000 RPM
Integral Regulator
Alternator #1100597
Rated Capacity: 61 Amperes
Field Current, 12 Volts @ 80 Degrees: 4.0-4.5 Amperes
Output @ 14 Volts: 55 Amperes @ 5,000 RPM
Integral Regulator
Alternator #1102353
Rated Capacity: 42 Amperes
Field Current, 12 Volts @ 80 Degrees: 4.0-4.5 Amperes
Output @ 14 Volts: 37 Amperes @ 5,000 RPM
Integral Regulator
Distributor Specifications:
Distributor #1110499
Advance Starts: 0 Degrees @ 550 RPM
Intermediate Advance: 7 Degree @ 1,150 RPM
Full Advance: 12 Degrees @ 2,050 RPM
Vacuum Advance Data:
Vacuum to Start Plunger Movement: 7 Inches
Vacuum for Full Plunger Travel: 12 Degrees @ 15-1/2 Inches Vacuum
Distributor #1112093
Advance Starts: 0 Degrees @ 550 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: 6 Inches
Vacuum for Full Plunger Travel: 7-1/2 Degrees @ 14 Inches Vacuum
Distributor #1112113
Advance Starts: 0 Degrees @ 550 RPM
Intermediate Advance: 5-1/2 Degrees @ 1,200 RPM
Full Advance: 9 Degrees @ 2,100 RPM
Vacuum Advance Data:
Vacuum to Start Plunger Movement: 6 Inches
Vacuum for Full Plunger Travel: 10 Degrees @ 15.7 Inches Vacuum
Distributor #1112114
Advance Starts: 0 Degrees @ 550 RPM
Intermediate Advance: 5-1/2 Degrees @ 1,200 RPM
Full Advance: 7 Degrees @ 2,100 RPM
Vacuum Advance Data:
Vacuum to Start Plunger Movement: 6 Inches
Vacuum for Full Plunger Travel: 10 Degrees @ 15.7 Inches Vacuum
Distributor #1112168
Advance Starts: 0 Degrees @ 500 RPM
Full Advance: 10 Degrees @ 1,100 RPM
Vacuum Advance Data:
Vacuum to Start Plunger Movement: 4 Inches
Vacuum for Full Plunger Travel: 7 Degrees @ 8.5 Inches Vacuum
Distributor #1112247
Advance Starts: 0 Degrees @ 550 RPM
Intermediate Advance: 5-1/2 Degrees @ 1,200 RPM
Full Advance: 9 Degrees @ 2,100 RPM
Vacuum Advance Data:
Vacuum to Start Plunger Movement: 6 Inches
Vacuum for Full Plunger Travel: 7-1/2 Degrees @ 14 Inches Vacuum
Distributor #1112250
Advance Starts: 0 Degrees @ 550 RPM
Intermediate Advance: 5-1/2 Degrees @ 1,200 RPM
Full Advance: 9 Degrees @ 2,100 RPM
Vacuum Advance Data:
Vacuum to Start Plunger Movement: 10 Inches
Vacuum for Full Plunger Travel: 5 Degrees @ 15.5 Inches Vacuum
Distributor #1112504
Advance Starts: 0 Degrees @ 550 RPM
Intermediate Advance: 5-1/2 Degrees @ 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: 8 Degrees @ 16 Inches Vacuum
Distributor #1112846
Advance Starts: 0 Degrees @ 500 RPM
Full Advance: 10 Degrees @ 2,100 RPM
Vacuum Advance Data:
Vacuum to Start Plunger Movement: 4 Inches
Vacuum for Full Plunger Travel: 15 Degrees @ 10.5 Inches Vacuum
Distributor #1112847
Advance Starts: 0 Degrees @ 550 RPM
Intermediate Advance: 5-1/2 Degrees @ 1,200 RPM
Full Advance: 9 Degrees @ 2,100 RPM
Vacuum Advance Data:
Vacuum to Start Plunger Movement: 6 Inches
Vacuum for Full Plunger Travel: 14 Degrees @ 8.5 Inches Vacuum
Distributor #1112849
Advance Starts: 0 Degrees @ 500 RPM
Intermediate Advance: 5 Degrees @ 900 RPM
Intermediate Advance: 7-1/2 Degrees @ 1,200 RPM
Full Advance: 11 Degrees @ 2,100 RPM
Vacuum Advance Data:
Vacuum to Start Plunger Movement: 3 Inches
Vacuum for Full Plunger Travel: 14 Degrees @ 8.5 Inches Vacuum
Distributor #1112850
Advance Starts: 0 Degrees @ 500 RPM
Intermediate Advance: 5 Degrees @ 900 RPM
Intermediate Advance: 7-1/2 Degrees @ 1,200 RPM
Full Advance: 11 Degrees @ 2,100 RPM
Vacuum Advance Data:
Vacuum to Start Plunger Movement: 3 Inches
Vacuum for Full Plunger Travel: 14 Degrees @ 8.5 Inches Vacuum
Distributor #1112851
Advance Starts: 0 Degrees @ 550 RPM
Intermediate Advance: 5-1/2 Degrees @ 1,200 RPM
Full Advance: 9 Degrees @ 2,100 RPM
Vacuum Advance Data:
Vacuum to Start Plunger Movement: 3 Inches
Vacuum for Full Plunger Travel: 14 Degrees @ 8.5 Inches Vacuum
Distributor #1112852
Advance Starts: 0 Degrees @ 600 RPM
Intermediate Advance: 1 Degree @ 730 RPM
Intermediate Advance: 6 Degrees @ 1,000 RPM
Full Advance: 10 Degrees @ 2,500 RPM
Vacuum Advance Data:
Vacuum to Start Plunger Movement: 3 Inches
Vacuum for Full Plunger Travel: 14 Degrees @ 8.5 Inches Vacuum
Distributor #1112853
Advance Starts: 0 Degrees @ 500 RPM
Intermediate Advance: 1 Degree @ 730 RPM
Full Advance: 10 Degrees @ 2,500 RPM
Vacuum Advance Data:
Vacuum to Start Plunger Movement: 3 Inches
Vacuum for Full Plunger Travel: 14 Degrees @ 8.5 Inches Vacuum
Distributor #1112854
Advance Starts: 0 Degrees @ 500 RPM
Full Advance: 10 Degrees @ 2,500 RPM
Vacuum Advance Data:
Vacuum to Start Plunger Movement: 4 Inches
Vacuum for Full Plunger Travel: 15 Degrees @ 10.5 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, 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 #: 7044014
Float Level: 11/32"
Metering Rod: .070"
Choke Rod: .230"
Vacuum Break: .275"
Unloader: .500"
Fast Idle Speed: 1,800 RPM
Rochester Type M & MV:
Carburetor #: 7044017
Float Level: 11/32"
Metering Rod: .070"
Choke Rod: .275"
Vacuum Break: .350"
Unloader: .500"
Fast Idle Speed: 1,800 RPM
Rochester Type M & MV:
Carburetor #: 7044023
Float Level: 1/8"
Choke Rod: .080"
Vacuum Break: .130"
Unloader: .375"
Fast Idle Speed: 2,000 RPM
Rochester Type M & MV:
Carburetor #: 7044024
Float Level: 1/8"
Choke Rod: .080"
Vacuum Break: .130"
Unloader: .375"
Fast Idle Speed: 2,200 RPM
Rochester Type M & MV:
Carburetor #: 7044033
Float Level: 1/8"
Choke Rod: .080"
Vacuum Break: .130"
Unloader: .375"
Fast Idle Speed: 2,000 RPM
Rochester Type M & MV:
Carburetor #: 7044034
Float Level: 1/8"
Choke Rod: .080"
Vacuum Break: .130"
Unloader: .375"
Fast Idle Speed: 2,200 RPM
Rochester Type M & MV:
Carburetor #: 7044314
Float Level: 11/32"
Choke Rod: .245"
Vacuum Break: .300"
Unloader: .500"
Fast Idle Speed: 1,800 RPM
Rochester Type M & MV:
Carburetor #: 7044323
Float Level: 1/8"
Choke Rod: .080"
Vacuum Break: .130"
Unloader: .375"
Fast Idle Speed: 2,200 RPM
Rochester Type M & MV:
Carburetor #: 7044324
Float Level: 1/8"
Choke Rod: .080"
Vacuum Break: .130"
Unloader: .375"
Fast Idle Speed: 2,000 RPM
Rochester Type M & MV:
Carburetor #: 7044333
Float Level: 1/8"
Choke Rod: .080"
Vacuum Break: .130"
Unloader: .375"
Fast Idle Speed: 2,000 RPM
Rochester Type M & MV:
Carburetor #: 7044334
Float Level: 1/8"
Choke Rod: .080"
Vacuum Break: .130"
Unloader: .375"
Fast Idle Speed: 2,200 RPM
Rochester Type M & MV:
Carburetor #: 7044336
Float Level: 1/8"
Choke Rod: .245"
Vacuum Break: .300"
Unloader: .500"
Fast Idle Speed: 1,800 RPM
Rochester Type M & MV:
Carburetor #: 7044337
Float Level: 1/8"
Metering Rod: .080"
Choke Rod: .080"
Vacuum Break: .130"
Unloader: .375"
Fast Idle Speed: 2,000 RPM
Rochester Type M & MV:
Carburetor #: 7044339
Float Level: 1/8"
Choke Rod: .245"
Vacuum Break: .300"
Unloader: .500"
Fast Idle Speed: 1,800 RPM
Rochester Type M & MV:
Carburetor #: 7044340
Float Level: 1/8"
Metering Rod: .080"
Choke Rod: .080"
Vacuum Break: .130"
Unloader: .375"
Fast Idle Speed: 2,200 RPM
Rochester Type 2G, 2GC, & 2GV:
Carburetor #: 7044111
Float Level: 19/32"
Float Drop: 1-9/32"
Pump Rod: 1-21/32"
Vacuum Break: .140"
Choke Rod: .200"
Choke Unloader: .250"
Fast Idle Speed: 1,600 RPM
Carburetor #: 7044112
Float Level: 19/32"
Float Drop: 1-9/32"
Pump Rod: 1-9/16"
Vacuum Break: .130"
Choke Rod: .245"
Choke Unloader: .325"
Fast Idle Speed: 1,600 RPM
Carburetor #: 7044113
Float Level: 19/32"
Float Drop: 1-9/32"
Pump Rod: 1-21/32"
Vacuum Break: .140"
Choke Rod: .200"
Choke Unloader: .250"
Fast Idle Speed: 1,600 RPM
Carburetor #: 7044114
Float Level: 19/32"
Float Drop: 1-9/32"
Pump Rod: 1-9/16"
Vacuum Break: .130"
Choke Rod: .245"
Choke Unloader: .325"
Fast Idle Speed: 1,600 RPM
Carburetor #: 7044115
Float Level: 19/32"
Float Drop: 1-9/32"
Pump Rod: 1-21/32"
Vacuum Break: .140"
Choke Rod: .200"
Choke Unloader: .250"
Fast Idle Speed: 1,600 RPM
Carburetor #: 7044116
Float Level: 19/32"
Float Drop: 1-9/32"
Pump Rod: 1-9/16"
Vacuum Break: .130"
Choke Rod: .245"
Choke Unloader: .325"
Fast Idle Speed: 1,600 RPM
Carburetor #: 7044117
Float Level: 19/32"
Float Drop: 1-9/32"
Pump Rod: 1-9/16"
Vacuum Break: .140"
Choke Rod: .245"
Choke Unloader: .325"
Fast Idle Speed: 1,600 RPM
Carburetor #: 7044118
Float Level: 19/32"
Float Drop: 1-9/32"
Pump Rod: 1-9/16"
Vacuum Break: .130"
Choke Rod: .245"
Choke Unloader: .325"
Fast Idle Speed: 1,600 RPM
Carburetor #: 7044120
Float Level: 19/32"
Float Drop: 1-9/32"
Pump Rod: 1-21/32"
Vacuum Break: .130"
Choke Rod: .200"
Choke Unloader: .250"
Fast Idle Speed: 1,600 RPM
Carburetor #: 7044121
Float Level: 19/32"
Float Drop: 1-9/32"
Pump Rod: 1-21/32"
Vacuum Break: .140"
Choke Rod: .200"
Choke Unloader: .250"
Fast Idle Speed: 1,600 RPM
Carburetor #: 7044123
Float Level: 19/32"
Float Drop: 1-9/32"
Pump Rod: 1-21/32"
Vacuum Break: .140"
Choke Rod: .200"
Choke Unloader: .250"
Fast Idle Speed: 1,600 RPM
Carburetor #: 7044124
Float Level: 19/32"
Float Drop: 1-9/32"
Pump Rod: 1-21/32"
Vacuum Break: .130"
Choke Rod: .245"
Choke Unloader: .325"
Fast Idle Speed: 1,600 RPM
Carburetor #: 7044125
Float Level: 19/32"
Float Drop: 1-9/32"
Pump Rod: 1-21/32"
Vacuum Break: .140"
Choke Rod: .200"
Choke Unloader: .250"
Fast Idle Speed: 1,600 RPM
Carburetor #: 7044126
Float Level: 19/32"
Float Drop: 1-9/32"
Pump Rod: 1-21/32"
Vacuum Break: .140"
Choke Rod: .200"
Choke Unloader: .250"
Fast Idle Speed: 1,600 RPM
Carburetor #: 7044127
Float Level: 19/32"
Float Drop: 1-9/32"
Pump Rod: 1-21/32"
Vacuum Break: .140"
Choke Rod: .200"
Choke Unloader: .250"
Fast Idle Speed: 1,700 RPM
Carburetor #: 7044129
Float Level: 19/32"
Float Drop: 1-9/32"
Pump Rod: 1-21/32"
Vacuum Break: .140"
Choke Rod: .200"
Choke Unloader: .250"
Fast Idle Speed: 1,600 RPM
Rochester 4MC & 4MV:
Carburetor #: 7044201
Float Level: 3/8"
Pump Rod:
Hole: Inner
Adjustment: 13/32"
Fast Idle, Bench: 2 Turns
Choke Rod: .430"
Vacuum Break: .250"
Air Valve Dashpot: .015"
Choke Unloader: .450"
Air Valve Spring Wind-Up: 7/16"
Carburetor #: 7044202
Float Level: 1/4"
Hole: Inner
Adjustment: 13/32"
Fast Idle, Bench: 2 Turns
Choke Rod: .430"
Vacuum Break: .230"
Air Valve Dashpot: .015"
Choke Unloader: .450"
Air Valve Spring Wind-Up: 7/8"
Carburetor #: 7044203
Float Level: 1/4"
Hole: Inner
Adjustment: 13/32"
Fast Idle, Bench: 2 Turns
Choke Rod: .430"
Vacuum Break: .230"
Air Valve Dashpot: .015"
Choke Unloader: .450"
Air Valve Spring Wind-Up: 7/8"
Carburetor #: 7044206
Float Level: 1/4"
Hole: Inner
Adjustment: 13/32"
Fast Idle, Bench: 2 Turns
Choke Rod: .430"
Vacuum Break: .230"
Air Valve Dashpot: .015"
Choke Unloader: .450"
Air Valve Spring Wind-Up: 7/8"
Carburetor #: 7044207
Float Level: 1/4"
Hole: Inner
Adjustment: 13/32"
Fast Idle, Bench: 2 Turns
Choke Rod: .430"
Vacuum Break: .230"
Air Valve Dashpot: .015"
Choke Unloader: .450"
Air Valve Spring Wind-Up: 7/8"
Carburetor #: 7044208, 7044209, 7044210, 7044211
Float Level: 1/4"
Hole: Inner
Adjustment: 13/32"
Fast Idle, Bench: 2 Turns
Choke Rod: .430"
Vacuum Break: .230"
Air Valve Dashpot: .015"
Choke Unloader: .450"
Air Valve Spring Wind-Up: 1 Turn
Carburetor #: 7044221
Float Level: 3/8"
Hole: Inner
Adjustment: 13/32"
Fast Idle, Bench: 2 Turns
Choke Rod: .430"
Vacuum Break: .250"
Air Valve Dashpot: .015"
Choke Unloader: .450"
Air Valve Spring Wind-Up: 7/16
Carburetor #: 7044223, 7044225
Float Level: 3/8"
Hole: Inner
Adjustment: 13/32"
Fast Idle, Bench: 2 Turns
Choke Rod: .430"
Vacuum Break: .230"
Air Valve Dashpot: .015"
Choke Unloader: .450"
Air Valve Spring Wind-Up: 7/16
Carburetor #: 7044226
Float Level: 1/4"
Hole: Inner
Adjustment: 13/32"
Fast Idle, Bench: 2 Turns
Choke Rod: .430"
Vacuum Break: .230"
Air Valve Dashpot: .015"
Choke Unloader: .450"
Air Valve Spring Wind-Up: 3/4
Carburetor #: 7044500
Float Level: 3/8"
Hole: Inner
Adjustment: 13/32"
Fast Idle, Bench: 2 Turns
Choke Rod: .430"
Vacuum Break: .230"
Air Valve Dashpot: .015"
Choke Unloader: .450"
Air Valve Spring Wind-Up: 7/16
Carburetor #: 7044502
Float Level: 1/4"
Hole: Inner
Adjustment: 13/32"
Fast Idle, Bench: 2 Turns
Choke Rod: .430"
Vacuum Break: .230"
Air Valve Dashpot: .015"
Choke Unloader: .450"
Air Valve Spring Wind-Up: 7/8
Carburetor #: 7044503
Float Level: 1/4"
Hole: Inner
Adjustment: 13/32"
Fast Idle, Bench: 2 Turns
Choke Rod: .430"
Vacuum Break: .230"
Air Valve Dashpot: .015"
Choke Unloader: .450"
Air Valve Spring Wind-Up: 7/8
Carburetor #: 7044505
Float Level: 3/8"
Hole: Inner
Fast Idle, Bench: 2 Turns
Choke Rod: .430"
Vacuum Break: .250"
Air Valve Dashpot: .015"
Choke Unloader: .450"
Air Valve Spring Wind-Up: 7/16
Carburetor #: 7044506, 7044507
Float Level: 1/4"
Hole: Inner
Adjustment: 13/32"
Fast Idle, Bench: 2 Turns
Choke Rod: .430"
Vacuum Break: .230"
Air Valve Dashpot: .015"
Choke Unloader: .450"
Air Valve Spring Wind-Up: 7/8
Carburetor #: 7044508
Float Level: 3/8"
Hole: Inner
Adjustment: 13/32"
Fast Idle, Bench: 2 Turns
Choke Rod: .430"
Vacuum Break: .250"
Air Valve Dashpot: .015"
Choke Unloader: .450"
Air Valve Spring Wind-Up: 7/16
Carburetor #: 7044509
Float Level: 1/4"
Hole: Inner
Adjustment: 13/32"
Fast Idle, Bench: 2 Turns
Choke Rod: .430"
Vacuum Break: .230"
Air Valve Dashpot: .015"
Choke Unloader: .450"
Air Valve Spring Wind-Up: 7/8
Carburetor #: 7044526
Float Level: 1/4"
Hole: Inner
Adjustment: 13/32"
Fast Idle, Bench: 2 Turns
Choke Rod: .430"
Vacuum Break: .230"
Air Valve Dashpot: .015"
Choke Unloader: .450"
Air Valve Spring Wind-Up: 3/4
Copyright 2000, Custom Solutions & Services