1951 LINCOLN
General Specifications
Model Designations:
Lincoln, Series 1EL
Lincoln Cosmopolitan, Series 1EH
Lincoln, Series 1EL:
2 Door Club Coupe, 6 Passenger, Body # L-72B
Base Price: $2,505; Shipping Weight: 4,065; Production Total: *
2 Door Lido Coupe, 6 Passenger, Body # L-72C
Base Price: $2,702; Shipping Weight: 4,100; Production Total: *
4 Door Sport Sedan, 6 Passenger, Model L-74
Base Price: $2,553; Shipping Weight: 4,130 Pounds; Production Total: 12,279
* The combined coupe production: 4,482
Lincoln Cosmopolitan, Series 1EH:
2 Door Club Coupe, 6 Passenger, Body # H-72B
Base Price: $3,129; Shipping Weight: 4,340; Production Total: 1,476
2 Door Capri Coupe, 6 Passenger, Body # H-72C
Base Price: $3,350; Shipping Weight: 4,360; Production Total: 1,251
4 Door Sport Sedan, 6 Passenger, Model H-74
Base Price: $3,182; Shipping Weight: 4,415 Pounds; Production Total: 12,229
2 Door Convertible Coupe, 6 Passenger, Model H-76
Base Price: $3,891; Shipping Weight: 4,615 Pounds: Production Total: 857
1951 LINCOLN
Engine Specifications-Lincoln & Lincoln Cosmopolitan:
V-8 Engine
Wheelbase:
Lincoln Series: 121"
Lincoln Cosmopolitan Series: 125"
Engine Type: L-Head, V-8
Bore & Stroke: 3-1/2" X 4-3/8"
Engine Displacement: 336.7 Cu. In.
Compression Ratio: 7.0:1
Taxable Horsepower: 39.20
Horsepower: 154 @ 3,600 RPM
Torque: 275 Ft. Lbs. @ 1,800 RPM
Normal Oil Pressure: 50 PSI
Carburetor: Holley, Model 885-FFC, 2 Barrell
Rear Axle Ratio: Not Available
Tire Size:
Lincoln: 8.00 x 15 inches
Cosmopolitan: 8.20 X 15 inches,
Tune Up Data, Lincoln. All Series
V-8 Engine
Spark Plug Type: Champion H-10, or Equivalent
Spark Plug Gap: .030"
Breaker Point Gap: .015"-.018"
Firing Order: 1-5-4-8-6-3-7-2
Timing Mark & Location:
Timing Mark on Damper
Engine Idle Speed:
Manual Transmission: 500 RPM
Automatic Transmission: 400 RPM
Cylinder Head Torque:
Nuts: 55 Ft Lbs
Cap Screws: 70 Ft Lbs
Compression Pressure @ Cranking Speed: 110 PSI
Valve Specifications-Lincoln, All Series
V-8 Engine
Opeating Clearance, Running Hot:
Intake: Zero
Exhaust: Zero
Clearance, For Timing:
Intake: Zero
Valve Seat Angle: 45 Degrees
Valve Timing:
Intake Valve Opens 5 Degrees BTDC
Exhaust Valve Closes 8 Degrees ATDC
Minimum Valve Spring Pressure (New Spring): 62 Lbs @ 1-11/16"
Valve Stem Clearance:
Intake: .0015"-.003
Exhaust: .0025"-.004"
Piston & Ring Data, Lincoln, All Series
V-8 Engine
Piston Removal: From Above
Fitting Pistons With Scale
Shim Thickness to use: .002"
Pull on Scale: 4 to 8 Lbs.
Ring End Gap (Minimum):
Compression Ring: .010"
Oil Control Ring: .010"
Clerance in Groove:
Compression Ring: .0015"-.002"
Oil Ring: .001"-.0015"
Wrist Pin Diameter: .850"
Engine Bearing Data-Lincoln, All Series
V-8 Engine
Connecting Rod Journal Diameter: 2.400"
Connecting Rod Bearing Clearance: .0003"-.0019"
Connecting Rod End Play: .007"-.013"
Connecting Rod Bolt Tension: 52-60 Ft Lbs
Main Bearing Journal Diameter:
Front & Center: 2.8729"-2.8740"
Rear: 2.8724"-2.8735"
Main Bearing Clearance: .
Front & Center: .0014"-.0019"
Rear: .0009"-.0024"
Crankshaft End Play: .006"
Main Bolt Tension: 120-130 Ft Lbs
Capacities-Lincoln, All Series
V-8 Engine
Cooling System:
Without Heater: 34-1/2 Quarts
With Heater: 36 Quarts
Fuel Tank:
Lincoln: 19-1/2 Gallons
Cosmopolitan: 21-1/2 Gallons
Crankcase Capacity: 6 Quarts
Transmission Capacity: 3-1/2 Pints, With Overdrive, 5 Pints
Automatic Transmission: 12 Quarts
Differential Capacity: 4 Pints
Starting Motor Specifications
Part #8EL-11001
Brush Spring Tension: 48 to 56 Ounces
No Load Test: 70 Amperes, 6 Volts, @ 3,000 RPM
Torque Test: 700 Amperes, 3.5 Volts, 16 Ft Lbs of Torque
Generator & Regulator Specifications
Generator #8EL-10002B
Generator Output: 42 Amperes @ 1,700 RPM
Brush Spring Tension: 30 Ounces
Regulator #5EH-10505
Cutout Relay:
Voltage to Close Points: 6.3 Volts
Reverse Current to Open Points: 0 to 8 Amperes
Armature Air Gap: .014"
Voltage Regulator Setting: 7.3 Volts
Current Regulator Setting: 42 Amperes
Current & Voltage Armature Air Gap: .035"
Loadamatic Distributor Specifications
Part #OEL-12127
Cam Angle: 27 Degrees
Breaker Point Gap: .014" to .016"
Condenser Capacity: .21 to .25 Mfds
Vacuum Advance Data:
Breaker Arm Spring Tension: 17 to 20 Ounces
Advance @ 500 RPM: 1/2 to 1-1/2 Degrees @ .5" Vacuum
Advance @ 1,000 RPM: 5 to 6 Degrees @ 2.0" Vacuum
Advance @ 2,000 RPM: 9-3/4 to 10-3/4 Degrees @ 5.8" Vacuum
Holley Carburetor Adjustments
Idle Mixture: Turn each screw clockwise to lean the mixture and counter-clockwise to enrich the mixture. Begin by turning each screw in until it seats, them back it out 1 turn.
Idle Speed: Turn the stop screw in to increase speed & out to decrease speed, using a tachometer, if available.
Choke Setting: " Index" Mark
Float Level: 1/2" from top of carburetor bowl.
Fuel Pump Data:
Maximum Pressure: 2 to 3-1/2 PSI
Brake Specifications-Lincoln, All Series
Length of Lining per Wheel: 23"
Width of Lining:
Front: 2-1/4"
Rear: 2"
Thickness of Lining: .212"
Brake Shoe Clearance: .010"
Wheel Cylinder Bore:
Front: 1-1/8"
Rear: 15-16"
Master Cylinder Bore: 1"
Wheel Alignment Specifications-Lincoln, All Series
Caster: - 1/4 Degrees
Camber: +3/8 Degrees
Toe-In: 3/32" to 5/32"
Toe-Out on Turns:
Outer Wheel: 20 Degrees
Inner Wheel: 23 to 24 Degrees
Kingpin Inclination: 5 Degrees @ 3/4 Camber
Beginning Engine & Serial Numbers, Lincoln:
Series 1EL 51-5101L
Series 1EH 51-5101H
Popular Options:
Radio, Heater, Parking Brake Signal, Vacuum Antenna, Power Windows (Standard on Cosmopolitan), White Sidewall Tires, Overdrive, Hydra-Matic Automatic Transmission.
1951 Lincoln Colors
Raven Black
Admiral Blue
Banning Blue Poly
Cosmopolitan Maroon
Luxor Maroon
Kent Gray
Copper Tone
Tomah Ivory
Brewster Green
Everglade Green
Saxon Gray
Sheffield Green
Avon Blue
Radiant Green Poly
Bristol Buff
Chantilly Green
Manitou Red
1951 Lincoln Historical Data
Model Year Introduction was on November 15, 1950.
Model Year Production Total was 32,574.
Promotional Models Available:
Metal: Lincoln Cosmopolitan 4 Door Sedan
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