1952 WILLYS
Model Designations:
Willys Station Wagon Series
Willys Aero Series
Willys Station Wagon Series, 4 & 6 Cylinder:
2 Door Station Wagon, 6 Passenger, Model 473SW, 4 Cylinder
Base Price: $1,631; Shipping Weight: 2,818 Pounds;
2 Door Station Wagon, 4 Wheel Drive, 6 Passenger, Model 4X473, 4 Cylinder
Base Price: $2,092; Shipping Weight: 3,174 Pounds;
2 Door Station Wagon, 6 Passenger, Model 475SW, 4 Cylinder
Base Price: $1,705; Shipping Weight: 2,818 Pounds;
2 Door Station Wagon, 4 Wheel Drive, 6 Passenger, Model 4X475, 4 Cylinder
Base Price: $2,134; Shipping Weight: 3,174 Pounds;
2 Door Station Wagon, 6 Passenger, Model 673SW, 6 Cylinder
Base Price: $1,708; Shipping Weight: 2,831 Pounds;
2 Door Station Wagon, 6 Passenger, Model 685, 6 Cylinder
Base Price: $1,786; Shipping Weight: 2,850 Pounds;
Total 1952 Station Wagon Production was: 17,482.
Willys Aero Series:
2 Door Lark DeLuxe, 5 Passenger, Model #675
Base Price: $1,588; Shipping Weight: 2,487 Pounds; Production Total: 7,474
2 Door Wing DeLuxe, 5 Passenger, Model #685
Base Price: $1,825; Shipping Weight: 2,570 Pounds; Production Total: 12,819
2 Door Ace Custom, 5 Passenger, Model #685
Base Price: $1,904; Shipping Weight: 2,584 Pounds; Production Total: 8,706
2 Door Eagle Hardtop, 5 Passenger, Model #685
Base Price: $1,979; Shipping Weight: 2,575 Pounds; Production Total: 2,364
Total 1952 Willys Aero Production was: 31,363
General Specifications, Station Wagon, 4 Cylinder, F-Head Engine
Wheelbase:
Series 4-73SW & 4-75SW: 104"
Series 4X4-73: 104-1/2"
Engine Type: Inline 4, F-Head
Bore & Stroke: 3-1/8" X 4-3/8"
Engine Displacement: 134.2 Cu. In.
Compresssion Ratio: 7.40:1
Taxable Horsepower: 15.63
Horsepower: 72 @ 4,000 RPM
Torque: 114 Ft. Lbs @ 2,000 RPM
Normal Oil Pressure: 35 PSI
General Specifications, Station Wagon, 6 Cylinder, L- Head Engine
Wheelbase: 104 Inches
Engine Type: Inline 6, L-Head
Bore & Stroke: 3-1/8" X 3-1/2"
Engine Displacement: 161.0 Cu. In.
Compresssion Ratio: 6.90:1
Taxable Horsepower: 23.44
Horsepower: 75 @ 4,000 RPM
Torque: 117 Ft. Lbs @ 1,600 RPM
Normal Oil Pressure: 35 PSI
General Specifications, Willys Aero Lark, 6 Cylinder, L- Head Engine
Wheelbase: 108 Inches
Engine Type: Inline 6, L-Head
Bore & Stroke: 3-1/8" X 3-1/2"
Engine Displacement: 161.0 Cu. In.
Compresssion Ratio: 6.90:1
Taxable Horsepower: 23.44
Horsepower: 75 @ 4,000 RPM
Torque: 124 Ft. Lbs @ 2,000 RPM
Normal Oil Pressure: 35 PSI
General Specifications, Willys Aero, 6 Cylinder, F- Head Engine
Wheelbase: 108 Inches
Engine Type: Inline 6, F-Head
Bore & Stroke: 3-1/8" X 3-1/2"
Engine Displacement: 161.0 Cu. In.
Compresssion Ratio: 7.60:1
Taxable Horsepower: 23.44
Horsepower: 90 @ 4,200 RPM
Torque: 135 Ft. Lbs @ 2,000 RPM
Normal Oil Pressure: 35 PSI
Tire Sizes:
Station Wagons: 6.70 X 15 Inches
Aero Series: 5.90 X 15 Inches
Tune Up Specifications, 4 L-Head Cylinder Engines
Spark Plug Type: Champion J-8 or Equivalent
Spark Plug: Gap .030"
Point Gap: .020"
Firing Order: 1-3-4-2
Ignition Timing: IGN or 5 Degrees BTDC
Engine Idle Speed: 600 RPM
Cylinder Head Torque: 60-70 Ft Lbs
Compression Pressure @ Cranking Speed: 111 PSI (Minimum)
Tune Up Specifications, F-Head 4 Cylinder Engines
Spark Plug Type: Auto-Lite A7, Champion J-8 or Equivalent
Spark Plug: Gap .030"
Point Gap: .020"
Firing Order: 1-3-4-2
Ignition Timing: IGN Mark on Flywheel or 5 Degrees BTDC Mark on Pulley.
Engine Idle Speed: 600 RPM
Cylinder Head Torque: 60-70 Ft Lbs
Compression Pressure @ Cranking Speed: 115 PSI (Minimum)
Tune Up Specifications, L-Head 6 Cylinder Engines
Spark Plug Type: Champion J-8 or Equivalent
Spark Plug: Gap .030"
Point Gap: .020"
Firing Order: 1-5-3-6-2-4
Ignition Timing: 5 Degrees BTDC on Vibration Damper
Engine Idle Speed: 550 RPM
Cylinder Head Torque: 60-70 Ft Lbs
Compression Pressure @ Cranking Speed: 111 PSI (Minimum)
Tune Up Specifications, F-Head 6 Cylinder Engines
Spark Plug Type: Champion J-8 or Equivalent
Spark Plug: Gap .030"
Point Gap: .020"
Firing Order: 1-5-3-6-2-4
Ignition Timing: 5 Degrees BTDC on Vibration Damper
Engine Idle Speed:
Manual Transmission: 550 RPM
Automatic Transmission: 450 RPM
Cylinder Head Torque: 60-70 Ft Lbs
Compression Pressure @ Cranking Speed: 115 PSI (Minimum)
Valve Specifications, 4 Cylinder Engines
Tappet Clearance, Cold:
Intake .018";
Exhaust .012" w/Eaton Free Valve; .016" w/Thompson Roto Valve
Clearance for Intake Timing: .020"
Valve Seat Angle: 45 degrees
Valve Timing: Intake Opens 9 Degrees Before Top Dead Center
Exhaust Closes 12 degrees After Top Dead Center
Valve Spring Pressure:
Intake: 73 Lbs @ 1-21/32"
Exhaust: 50 Lbs @ 1-5/8"
Valve Stem Clearance: Intake .0015"-.003"
Exhaust .0025"-.0045"
Valve Specifications, L-Head 6 Cylinder Engines
Tappet Clearance, Cold: Intake .016"; Exhaust .016"
Clearance for Intake Timing: .020"
Valve Seat Angle: 45 degrees,
Valve Timing: Intake Opens 5 Degrees Before Top Dead Center
Exhaust Closes 12 degrees After Top Dead Center
Valve Spring Pressure: 50 Lbs @ 1-5/8 inches (New Springs)
Valve Stem Clearance: Intake .0015"-.003"
Exhaust .0025"-.0045"
Valve Specifications, F-Head 6 Cylinder Engines
Tappet Clearance, Cold: Intake .018"; Exhaust .016"
Clearance for Intake Timing: .027"
Valve Seat Angle: 45 degrees,
Valve Timing: Intake Opens 9 Degrees Before Top Dead Center
Exhaust Closes 12 degrees After Top Dead Center
Valve Spring Pressure:
Intake: 73 Lbs @ 1-21/32"
Exhaust: 50 Lbs @ 1-5/8"
Valve Stem Clearance: Intake .0015"-.003"
Exhaust .0025"-.0045"
Piston & Ring Data, 4 Cylinder Engines
Piston Removal: From Above
Fitting Pistons with Spring Scale:
Shim Thickness: .003" using a 3/4" feeler gauge
Pounds Pull on Scale: 5 to 10
Ring End Gap (Minimum):
Compression Ring: .008"
Oil Ring: .008"
Clearance in Grooves:
Compression Ring: .0005"-.0015"
Oil Control Ring: .0005"-.0015"
Wrist Pin Diameter: .8118" to .8120"
Piston & Ring Data, L-Head 6 Cylinder Engines
Piston Removal: From Above
Fitting Pistons with Spring Scale:
Shim Thickness: .0025 using a 3/4" wide feeler gauge
Pounds Pull on Scale: 7 to 12
Ring End Gap (Minimum):
Compression Ring: .008"
Oil Ring: .008"
Clearance in Grooves:
Compression Ring:
Top Ring: .002"-.004"
Second Ring: .0015"-.0035"
Oil Control Ring: .001"-.0025"
Wrist Pin Diameter: .7496"-.7498"
Piston & Ring Data, F-Head 6 Cylinder Engines
Piston Removal: From Above
Fitting Pistons with Spring Scale:
Shim Thickness: .0025 using a 3/4" wide feeler gauge
Pounds Pull on Scale: 7 to 12
Ring End Gap (Minimum):
Compression Ring: .008"
Oil Ring: .008"
Clearance in Grooves:
Compression Ring:
Top Ring: .002"-.004"
Second Ring: .0015"-.0035"
Oil Control Ring: .001"-.0025"
Wrist Pin Diameter: .7496"-.7498"
Engine Bearing Data, 4 Cylinder Engines
Rod Journal Diameter: 1.9375"-1.9385"
Rod Bearing Clearance: .0002"-.0025"
Rod End Play: .004"-.010" inches
Rod Bolt Tension: 50-55 Lbs. Ft.
Main Bearing Journal Diameter: 2.3335"-2.3341"
Main Bearing Clearance: .0014" -.0029"
Crankshaft End Play: .004"-.006"
Main Bolt Tension: 65-70 Lbs. Ft.
Engine Bearing Data, L-Head 6 Cylinder Engines
Rod Journal Diameter: 1.875"
Rod Bearing Clearance: .0005"-.0025"
Rod End Play: .002"-.008" inches
Rod Bolt Tension: 33-38 Lbs. Ft.
Main Bearing Journal Diameter: 2.250"
Main Bearing Clearance: .001" -.003"
Crankshaft End Play: .002"-.006"
Main Bolt Tension: 65-75 Lbs. Ft.
Engine Bearing Data, F-Head 6 Cylinder Engines
Rod Journal Diameter: 1.875"
Rod Bearing Clearance: .0005"-.0025"
Rod End Play: .002"-.008" inches
Rod Bolt Tension: 33-38 Lbs. Ft.
Main Bearing Journal Diameter: 2.250"
Main Bearing Clearance: .001" -.003"
Crankshaft End Play: .002"-.006"
Main Bolt Tension: 65-75 Lbs. Ft.
Capacities, 4 Cylinder Models
Cooling System:
Without Heater: 11 Quarts
With Heater: 12 Quarts
Fuel Tank: 15 Gallons;
Engine Oil Refill: 4 Quarts;
Transmission:
Without Overdrive: 1-1/2 Pints
With Overdrive: 2-1/4 Pints
Rear Axle: 2 Pints
Capacities, L-Head 6 Cylinder Models
Wagon Cooling System:
Without Heater: 9 Quarts
With Heater: 10 Quarts
Aero Cooling System:
Without Heater: 11 Quarts
With Heater: 12 Quarts
Wagon Fuel Tank: 15 Gallons
Aero Fuel Tank: 18 Gallons
Engine Oil Refill: 5 Quarts;
Transmission:
Without Overdrive: 1-1/2 Pints
With Overdrive: 2-1/4 Pints
Rear Axle: 2 Pints
Capacities, F-Head 6 Cylinder Models
Aero Cooling System:
Without Heater: 11 Quarts
With Heater: 12 Quarts
Aero Fuel Tank: 18 Gallons
Engine Oil Refill: 5 Quarts;
Manual Transmission:
Without Overdrive: 1-1/2 Pints
With Overdrive: 2-1/4 Pints
Automatic Transmission: 11 Quarts
Rear Axle: 2 Pints
Auto-Lite Distributor Specifications, 4 Cylinder:
Distributor #1AT-4008
Rotation: Counter-Clockwise
Cam Angle: 47 Degrees
Breaker Point Opening: .020"
Condenser Capacity: .21-.25 Mfds
Breaker Arm Spring Tension: 17-20 Ounces
Centrifugal Advance Data:
Advance Starts: 1 @ 400 RPM
Full Advance: 11 Degrees @ 2,000 RPM
Vacuum Advance Data:
Advance Starts: 1 Degree @ 5-3/8" Vacuum
Full Advance: 5 Degrees @ 8" Vacuum
Auto-Lite Distributor Specifications, 6 Cylinder:
Distributor #1AT-4007-A
Rotation: Counter-Clockwise
Cam Angle: 39 Degrees
Breaker Point Opening: .020"
Condenser Capacity: .21-.25 Mfds
Breaker Arm Spring Tension: 17-20 Ounces
Centrifugal Advance Data:
Advance Starts: 1 Degrees @ 380 RPM
Full Advance: 12 Degrees @ 1,500 RPM
Vacuum Advance Data:
Advance Starts: 1 Degrees @ 5-1/2" Vacuum
Full Advance: 6 Degrees @ 15" Vacuum
Auto-Lite Generator Specifications:
Generator #GDZ-6001D
Generator Output: 35 Amperes @ 2,250 RPM
Brush Spring Tension: 35 to 53 Ounces
Direction of Rotation: Clockwise
Field Current at 5 Volts: 1.30 to 1.50 Amperes
Regulator #VRP-6003A
Cutout Relay Data:
Voltage to Close Points: 6.5 Volts
Reverse Current to Open Points: 4 to 6 Amperes
Armature Air Gap: .031"
Voltage Regulator Setting: 7.3 Volts
Current Regulator Setting: 35 Amperes
Current & Voltage Armature Air Gap: .048"
Auto-Lite Starting Motor Specifications:
Unit #: MCH-6203
Rotation: Clockwise
Brush Spring Tension: 42-53 Ounces
No Load Test:
65 Amperes; 5.0 Volts; @ 4,300 RPM
Torque Test:
335 Amperes; 2.0 Volts; Torque 6.0 Ft Lbs
Carter Carburetor Adjustments, Series 475:
Carburetor Model: YF
Carburetor #951S
Float Level: 5/16"
Idle Screw Setting, Turns to Open: 3/4 to 1-3/4 Turns
Metering Rod Adjustment: With throttle valve seated in carburetor bore, press down on upper end of diaphragm shaft until diaphragm bottoms in chamber. Adjust by bending lip up or down.
Fast Idle Adjustment: Hold choke in wide open position and lip on fast idle arm should contact boss on body casting. Adjust by bending at offset of fast idle link.
Carter Carburetor Adjustments, Series 675:
Carburetor Model: YF
Carburetor #937S
Float Level: 9/32"
Idle Screw Setting, Turns to Open: 1 to 2 Turns
Metering Rod Adjustment: With throttle valve seated in carburetor bore, press down on upper end of diaphragm shaft until diaphragm bottoms in chamber. Adjust by bending lip up or down.
Fast Idle Adjustment: Hold choke in wide open position and lip on fast idle arm should contact boss on body casting. Adjust by bending at offset of fast idle link.
Carter Carburetor Adjustments, Series 685:
Carburetor Model: YF
Carburetor #924S
Float Level: 9/32"
Idle Screw Setting, Turns to Open: 1 to 2 Turns
Metering Rod Adjustment: With throttle valve seated in carburetor bore, press down on upper end of diaphragm shaft until diaphragm bottoms in chamber. Adjust by bending lip up or down.
Fast Idle Adjustment: Hold choke in wide open position and lip on fast idle arm should contact boss on body casting. Adjust by bending at offset of fast idle link.
Carburetor Model: YF
Carburetor #2071S
Float Level: 9/32"
Idle Screw Setting, Turns to Open: 1 to 2 Turns
Metering Rod Adjustment: With throttle valve seated in carburetor bore, press down on upper end of diaphragm shaft until diaphragm bottoms in chamber. Adjust by bending lip up or down.
Fast Idle Adjustment: Hold choke in wide open position and lip on fast idle arm should contact boss on body casting. Adjust by bending at offset of fast idle link.
Fuel Pump Data:
Maximum Pressure: 2-1/2 to 3-1/2 PSI
:
Brake Specifications, Station Wagons:
Lining Material: Molded
Lining Dimensions/Wheel in Inches: 19
Width: 1-3/4",
Thickness: 3/16"
Brake Shoe Clearance: .008"
Wheel Cylinder Bore:
Front: 1"
Rear: 7/8"
Master Cylinder Bore: 1"
Brake Specifications, Aero Sedans:
Lining Material: Molded
Lining Dimensions/Wheel in Inches: 17-1/2
Width:
Primary Shoes: 2"
Secondary Shoes: 1-3/4"
Thickness: .214"
Brake Shoe Clearance: Floating
Wheel Cylinder Bore:
Front: 1-1/8"
Rear: 13/16"
Master Cylinder Bore: 1"
Wheel Alignment Specifications, Station Wagons:
Caster: +2 Degrees
Camber: +1-1/2 Degrees
Toe-In; 1/16" to 1/8"
Toe-Out on Turns:
Outer Wheel: 18-1/2 Degrees
Inner Wheel: 20 Degrees
Kingpin Angle: 5 Degrees
Wheel Alignment Specifications, Aero Sedans:
Caster: +1 Degree
Camber: +1 Degree
Toe-In; 3/32" to 5/32"
Toe-Out on Turns:
Outer Wheel: 19 Degrees
Inner Wheel: 20 Degrees
Kingpin Angle: 8 Degrees
Beginning Engine Numbers:
Model 4-73SW: 452-AA1-10001
Model 4-75SW 452-AA2-10001
Model 4X4-73: 452-FA1-10001
Model 4X4-75 452-FA2-10001
Model 6-73SW: 652-AA1-10001
Model 6-85SW: 652-AA2-10001
Aero Lark 652-KA2-10001
Aero Wing 652-LA1-10001
Aero Ace 652-MA1-10001
Beginning Serial Numbers:
Same as Engine Number
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Radio, Heater, Electric Clock, Cigar Lighter, Hood Ornament, Locking Gas Cap, Turn Signals, Windshield Washers, White Sidewall Tires, Back up Lights, Continental Kit, Oil Filter, Full Wheel Discs, Airfoam Seat Cushion, Two-tone Paint, Overdrive, Automatic Transmission.
1952 Willys Historical Data:
1952 Willys models were introduced as follows:
Aero Line: January 18, 1952
Aero Ace: March 5, 1952
Aero Lark: March 21, 1952
Station Wagon: April 14, 1952
Production Total for passenger cars during 1952 was 48,845.
Promotional Model Cars Available
None
.