CJ-3B Specs and Tech Tips

Scroll down to see all the tech pages available on this site. With Ken Bushdiecker's help, I have reorganized the Tech Tips according to the Group numbers from the Willys Parts List, which we hope will make it easier to find what you're looking for. You can also Search for your topic. -- Derek Redmond

Specifications

Dimensions and Service Specs

• CJ-3B Specifications and Information Sources
• F-4 Hurricane Engine Specs and Photos
• CJ-3B Drawings and Dimensions
• M606 Military Jeep Specifications
• Willys Service Standards, 1952-54 Models
• Willys Four: A.E.A. Adjustment Standards
• Chek-Chart Willys 4 Service Instructions
• Willys Engineering Dept. Calculations: CJ-3B and CJ-4
• F4-134 Engine Horsepower and Torque
• 80" Wheelbase CJ Frame Progression
• The CJ-3B Bookshelf

Serial Numbers

• CJ-3B Serial Numbers and Production Figures
• Willys Production Figures 1945-61
• Surviving Serial Number and Engine Number List
• Plotting Engine Numbers
• 1954 CJ-3B OB Serial Numbers
• Kaiser Jeep 1960-67 Serial Numbers
• Kaiser CJ-3B Serial Number Questions
• CJ-3B Production Figures Update
• Dating a CJ-3B by Interior Details
• CJ-3B Frame Numbers
• Where Are the CJ-3B's? -- a map of Jeeps in all 50 U.S. states.

Parts

• Links to Parts Dealers on the Web
• CJ-3B Parts Illustrations
• 1955 CJ-3B Details: A Photo Reference
• Parts Change Service Bulletins, 1960-63
• CJ-3B Pricing and Factory Options
• Hubbard's Halfcabs CJ-3B FAQ
• Hubbard's Halfcabs 1954 NOS Parts
• Sears Jeep Parts Catalog
• Correct Fasteners for the CJ-3B
• Willys-Overland Parts Boxes
• 1946-1978 CJ Bearing Identification

Paint and Trim

• Willys Paint Samples, 1953-54
• Willys Paint Samples, 1955-58
• Willys Paint Samples, 1959-65
• Original Yellow Paint?
• 4 Wheel Drive Tailgate Stencil
• Engine Paint and Decals

Operation and Restoration

• Towing a CJ-3B --- flat towing or trailer?
• Driving in 4-Wheel Drive -- shifting and techniques.
• To Upgrade or to Restore -- a small debate.
• What Percentage Stock? -- what does original mean?
• Mach 1 in a 3B? -- how fast is safe?
• ICON CJ3B -- the 2010 replica vehicle.

Tech Tips (organized by Parts List Groups)

Group 10: Engine

• Rebuilding an F-head Engine -- pages 1-8.
• Hurricane Rebuilding Tips
• More Engine Tips: Valves and Camshafts
• Camshaft Gear Installation -- finding TDC.
• Static Timing the F-head -- getting it running.
• Engine Troubleshooting -- where to start.
• Engine Service Bulletins, 1960-61 -- head gaskets, PCV, valves.
• Dying Under Load: A Detective Story -- more troubleshooting.
• Dye Penetrant Testing -- checking for cracks.
• Oil Filters for the CJ-3B
• Engine Oil for the Willys F-head -- viscosity and formulation.
• Low and High Oil Pressure
• Oil Level Indicator -- the dip stick.
• Timing and Tune-Up Tips -- Ignition timing, vacuum leaks and uneven idle.
• Crankcase Ventilation -- old and new PCV systems.
• F-head Performance Enhancement -- headers and Weber carb.
• Hurricane Engine in a Low-Hood Jeep -- fitting an F-head in a 2A or 3A.
• Starting Up a Sitting Engine -- how to check and turn it.
• Cold Weather Tips -- starting or storing.
• Engine Removal
• V6 Engine Conversion Manual -- installing the Jeep 225 V6.
• Engine Swap Suggestions -- 4 and 6-cylinder possibilities.
• Pinto Turbo in a CJ-3B
• Removing Broken or Rusty Bolts/Nuts/Studs/Screws

Group 11: Clutch

• Clutch Tech Tips -- pulling the clutch, upgrading the linkage, and cable lubrication.

Group 12: Fuel System

• Repairing or Replacing a Fuel Tank
• Adding a Passenger-Side Gas Tank
• Fuel Line Tech Tips
• Carter YF Carburetor Service Information
• YF Carburetor Overhaul Tips
• Solex Replacement Carburetor
• Solex Carburetor Tips
• Cleaning the Air Cleaner

Group 13: Exhaust System

Group 14: Cooling System

• Cooling System -- thermostat, bypass hose, water pump.
• Fan Shroud

Group 15: Electrical

• Battery and Starter Wiring
• Starter Problems -- rebuilding, replacement, and switches.
• Generator Regulator Troubleshooting
• Installing an Alternator
• Am I Getting Spark? -- ignition basics and troubleshooting.
• Distributor Tech Tips -- identification and oiling.
• Distributor Installation -- post-1954 Service Manual correction.
• F-head Ignition Tech Tips -- coil, plugs, electronic ignition.
• Mitsubishi Electronic Ignition -- 1990's distributor for F-head.
• Hot Wire Box -- Jyotin's remote ignition switch.
• Delco-Remy Electrical Parts -- standard in 1959-60.
• Early Civilian Jeep Taillights
• Bulb and Fuse Numbers -- Owner's Manual insert, 1957.
• Wiring a Signal Stat Turn Signal Switch -- original diagrams.
• Replacing the Wiring Harness
• A Visit to Vintage Wiring of Maine
• Wiring the Horn Button
• Jeep Horns
• Converting a 6-Volt Jeep to 12-Volt
• Front Turn-Signal Sockets

Group 16: Instruments

• Fuel and Temperature Gauge Fixes -- testing, replacing.

Group 17: Transmission

• T90 Transmission Tips -- noises, loose bearings, worn parts.
• T90 Pilot Bushing Removal -- small job worth doing.
• T90 Transmission Variations -- minor differences, and the mythical synchronized first.
• T98a Transmission -- four-speed conversion.
• Tranny and TC Leaks -- adding fluid, sealing leaks.

Group 18: Transfer Case

• Transfer Case Rebuilding -- Spicer 18 intermediate shaft.
• Transfer Case Tech Tips -- Spring replacement, gear choices.

Group 19: Propeller Shaft

Group 20: Front Axle

• 1946-1978 CJ Bearing Identification - axles, transmission and more.

Group 21: Rear Axle

• Lubricating Your Jeep -- steering, wheels, water crossings.
• Axle Advice -- gear ratios, vents, shims, lockers.
• "Powr-Lok" Differential Service Bulletin -- service information from 1960.
• Two-Wheel-Drive Low Range and Drivetrain Strength -- slippage factor, breaking strength.

Group 23: Steering

• Steering Tech Tips -- linkage, steering box rebuild.
• Steering Wheel Removal -- solutions for a tough problem.
• Bradford Willys Steering Wheel Puller Torture Tested -- you can now buy a tool.
• Steering Checkup -- looking for loose linkage.
• Tie Rod Reinforcement
• Saginaw Steering Conversion
• Details of a Right-Hand-Drive Universal Jeep

Group 24: Brakes

• Willys 9" Brake Adjustment
• Parking Brake Cable
• Master Brake Cylinder Tips
• Dual-Reservoir Master Cylinder
• 11" Brake Upgrade
• Brake Lines and Pedals
• Disc Brake Options
• Vacuum Brake Booster

Group 25: Wheels

• Brake Drum and Hub Removal
• Tires and Rims -- selecting and mounting them.
• Tires For Your CJ-3B
• 1960 Tire Application Service Bulletin
• Tire Air Pressure

Group 26: Frame

• Frame Modifications for Off-Roading
• Frame Repair on a 1956 CJ-3B
• Rear Frame Crossmember Replacement
• CJ-3B Body on a CJ-5 Frame
• Frame Painting
• 80" Wheelbase CJ Frame Progression

Group 27: Springs

• Softening the Suspension
• Spring Levelling Tips
• Wrangler Spring Conversion

Group 28: Bumpers

Group 29: Fenders

Group 30: Hood

• CJ-3B Hoods
• CJ-3B Hood Blocks

Group 31: Body

• Radiator Guard
• Find and Repair an Original Tub
• Body Removal and Mounting
• Reproduction Tub Reviews
• Grades of Repro Tubs
• Improving the Repli-Tub
• Fiberglass Tubs and Body Parts
• Jeep Tubs From Scratch
• Dashboard Solutions for a Repro Body
• Tailgate Construction, Dating and Authentication
• Floor Panel Replacement
• Body Repair on a 1956 CJ-3B
• Rust Removal
• On Restoration: Book Reviews
• Dating a CJ-3B by Interior Details
• CJ-3B Seats
• CJ-3B Upholstery
• Early CJ Rear Seats
• Re-Covering Jeep Seats
• More Legroom: Moving a Jeep Seat
• Build Your Own Rear Seat
• Build a Center Jump Seat
• Windshield Wiper Problems
• Manual Wiper Conversion and Repair
• Finding the Jeep Drain Hole Plug
• Jeep Steps
• Spare Tire Vibration Dampener
• Spare Tire Mount

Group 32: Tools

• The Flatfender Toolbox
• Tools to Carry in Your Jeep
• Original Jack and Lug Wrench

Group 35: Special Equipment and Accessories

• Early Civilian Jeep Hardtops
• Retrofitting a Koenig Jeep Hardtop
• Willys-Overland Canvas Tops
• Folding and Vinyl Tops
• Reproduction Canvas Tops
• Installing a Soft Top
• Willys Canvas Tops Made in Colombia
• Vinyl Canvas Jeep Cover -- protective storage.
• Jeep Body Extenders
• Tailgate Spare Tire Mount
• Jeep Burglar Alarm
• Harrison Heater Tech Tips
• Windshield Defroster
• Original Equipment Heater, Canada, 1964
• K & K Mower Bar and Snowplow
• Jeep-A-Trench Trencher
• Running a Bush Hog From a Jeep PTO
• Ramsey Capstan Winch
• Koenig PTO Winch Tips
• Overdrive Tech Tips -- finding the right OD.

Elsewhere on the web

• The WillysTech Mailing List and the Classic Willys Mailing List at yahoo.com, are good sources of answers to technical or historical questions.
• WillysTech Frequently Asked Questions -- from the members of WillysTech.
• Rebuild Guides for the T90, transfer case, Ramsey PTO and Cutlass Locking Hub, from Rick Stivers.
• CJ-2A Projects at Dr. Vern's Vernco.com -- add-ons and tips for brakes, wiring, fuel, drivetrain, OD, PTO and more.
• 1950 Willys Jeep Truck -- David Hoelzeman's Spicer 25 Front Axle rebuild, brake photos, and other tech info including a parts database.
• 1951 Willys Station Wagon -- Pat Schaefer's Dana 44 axle photos and more.
• Jeep Universal Service Manual -- a reproduction produced by Portrayal Press is available for sale at many Jeep parts dealers.
• JeepBook.com has a variety of original Jeep manuals and literature.
• The Complete CJ-2A Owner's Operation and Care Manual at The CJ-2A Page.

Feel free to post questions or tips on the CJ-3B Bulletin Board. -- Derek Redmond

See also CJ-3B Magazine Articles on The CJ3B Page.

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