1946 WILLYS
Model Designations:
Willys Station Wagon, Model 4-63, 4 Cylinder
Willys, Model 4-63, 4 Cylinder, Body Styles
2 Door Station Wagon, 6 Passenger
Base Price: $1,495; Shipping Weight: 2,898 Pounds;
Production Total: 6,533
General Specifications
Wheelbase: 104 Inches
Engine Type: Inline 4, L-Head
Bore & Stroke: 3-1/8" X 4-3/8"
Engine Displacement: 134.2 Cu. In.
Compresssion Ratio: 6.48:1
Taxable Horsepower: 15.63
Horsepower: 63 @ 4,000 RPM
Torque: 105 Ft. Lbs @ 2,000 RPM
Normal Oil Pressure: 35 PSI
Rear Axle Ratio: Not Available
Carburetor: Carter WA1-613S .
Tire Size: 6.00 x 15 inches; Inflation Pressure, Front 30, Rear, 30
Tune Up Specifications
Spark Plug Type: Champion J-8, J-9, or Equivalent
Spark Plug: Gap .030"
Point Gap: .020"
Firing Order: 1-3-4-2
Ignition Timing: Early Models: "IGN" Mark on Flywheel
Late Models: 5 Degree Mark on Flywheel
Engine Idle Speed: 350 RPM
Tappet Clearance, Hot: Intake .014", Exhaust .014"
Cylinder Head Torque: 60-65 Ft Lbs
Compression Pressure @ Cranking Speed: 111 PSI (Minimum)
Valve Specifications
Tappet Clearance, Running Hot: Intake .014"; Exhaust .014"
Clearance for Timing: Intake: .020"; Exhaust: .020"
Valve Timing: Intake Opens 9 Degrees Before Top Dead Center
Exhaust Closes 12 degrees After Top Dead Center
Valve Seat Angle: Intake 45 degrees; Exhaust 45 degrees,
Valve Spring Pressure: 53 Lbs @ 2-7/64 inches (New Springs)
Valve Stem Clearance: Intake .0015"-.003"
Exhaust .002"-.004"
Piston & Ring Data
Piston Removal: From Above
Piston Clearance (Minimum):
Top Land Inch .017"
Top of Skirt, Inch: .004"
Fitting Pistons with Spring Scale:
Shim Thickness: .0045 using a 3/4" wide feeler gauge
Pounds Pull on Scale: 5 to 10
Width of Ring End Gap (Minimum):
Compression Ring: .008"
Oil Ring: .008"
Clearance Between Ring & Grooves:
Compression Ring: .0005"-.0015"
Oil Control Ring: .001"-.0015"
Engine Bearing Data
Camshaft End Play: Automatically controlled by thrust plate
Camshaft Bearing Clearance: .001"-.0025"
Rod Journal Diameter: 1.9375"-1.9385"
Rod Bearing Clearance: .0005"-.0025"
Rod End Play: .005"-.009" inches
Rod Bolt Tension: 50-55 Lbs. Ft.
Main Bearing Journal Diameter: 2.3335"-2.3340"
Main Bearing Clearance: .001" -.0025"
Crankshaft End Play: .004"-.008"
Main Bolt Tension: 60-70 Lbs. Ft.
Capacities
Cooling System:
Without Heater: 11 Quarts
With Heater: 12 Quarts
Fuel Tank: 15 Gallons;
Engine Oil Refill: 4 Quarts;
Grade of Oil: Above +32F 20;
Above +10F 20W;
Above -10F 10W
Transmission:
Without Overdrive: 1-1/2 Pints
With Overdrive: 3-1/4 Pints
Grade of Oil: Summer 90, Winter 90
Rear Axle: 2 Pints
Grade of Oil: Summer 90H, Winter 90H
Auto-Lite Distributor Specifications:
Distributor #1GW-4129
Rotation: Counter-Clockwise
Cam Angle: 41 Degrees
Breaker Point Opening: .020"
Condenser Capacity: .20-.25 Mfds
Breaker Arm Spring Tension: 17-20 Ounces
Centrifugal Advance Data:
Advance Starts: 2 Degrees @ 550 RPM
Full Advance: 9-1/2 Degrees @ 1,500 RPM
Vacuum Advance Data:
Advance Starts: 2 Degrees @ 5-3/4" Vacuum
Full Advance: 10 Degrees @ 15" Vacuum
Distributor #1GW-4189
Rotation: Counter-Clockwise
Cam Angle: 41 Degrees
Breaker Point Opening: .020"
Condenser Capacity: .20-.25 Mfds
Breaker Arm Spring Tension: 17-20 Ounces
Centrifugal Advance Data:
Advance Starts: 2 Degrees @ 560 RPM
Full Advance: 11 Degrees @ 1,500 RPM
Vacuum Advance Data:
Advance Starts:
With Vacuum Unit #VC-4007: 2 Degrees @ 6-7/8" Vacuum
With Vacuum Unit #VC-4010: 2 Degrees @ 5-3/4" Vacuum
Full Advance:
With Vacuum Unit #VC-4007: 7 Degrees @ 15" Vacuum
With Vacuum Unit #VC-4010: 10 Degrees @ 15" Vacuum
Auto-Lite Generator Specifications:
Generator #GDZ-4817A
Generator Output: 35 Amperes @ 2,000 RPM
Brush Spring Tension: 35 to 53 Ounces
Direction of Rotation: Clockwise
Field Current at 5 Volts: 1.60 to 1.78 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 #: MZ-4137
Rotation: Clockwise
Brush Spring Tension: 42-53 Ounces
No Load Test:
70 Amperes; 5.5 Volts; @ 4,300 RPM
Torque Test:
280 Amperes; 2.0 Volts; Torque 4.4 Ft Lbs
Carter Carburetor Adjustments:
Carburetor Model: WA-1
Carburetor #613S
Float Level: 5/16"
Idle Screw Setting, Turns to Open: 1/2 to 1-1/2 Turns
Pump Adjustment Using Gauge T109-117S: 11
Metering Rod Gauge Number: T109-102
Anti-Percolator Adjustment: .030"
Fuel Pump Data:
Pump Model: AF
Maximum Pressure: 3 PSI
Dash Gauge Manufacturers:
Gasoline: King-Seeley
Temperature: King-Seeley
Oil Pressure: King-Seeley
Ammeter: King-Seeley
:
Brake Specifications
Lining Material: Molded
Lining Dimensions/Wheel in Inches: 19
Width: 1-3/4",
Thickness: 7/32"
Brake Shoe Clearance: .008"
Wheel Cylinder Bore:
Front: 1"
Rear: 7/8"
Master Cylinder Bore: 1"
Pedal Free Play: 1/2"
Wheel Alignment Specifications
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: 5-1/2 Degrees
Rear Axle Data
Ring Gear & Pinion Backlash: .004"-.008"
Drive Pinion Adjustment: Shims
Drive Pinion Bearing Adjustment: Shims
Axle Shaft End Play: .004"-.006"
Beginning Engine Numbers: 10001
Beginning Serial Numbers: 10001
Popular Options:
Wheel Trim Rings, Front Bumper Guards, Rear Bumper Guards, Spotlight, Fog Lights, Heavy Duty Air Cleaner.
1946 Willys Historical Data:
Model year introduction for the Station Wagon was in July 1946.
Willys Station Wagon Production Total for 1946 was 6,533.
Copyright 1999, Custom Solutions & Services
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