Club4AG Technical Reference

Technical Guides and Tuning Tips

• 4A-GE History and Family Tree by Richard White
• 4A-GZE Transplanting Guide
• 5A-GE and 7A-GE
• AE82/ 92 Corolla Front Drive Light Tune Guide
• AE86 and Installing 20V 4A-GE
• AE86 Corolla Light Tune Guide
• AE86 Wheel Guide
• AW11 MR2 Suspension Tuning Guide
• Battle Version Suspension Guide
• Camshaft Story (revised)
• Carburetors for the 4A-GE
• Club 4AG Terminology
• Control Arms for Rear Suspension
• Cooling Systems
• Dampers - Choosing Shocks with you in mind...
• Engine Transplants and Heavy Modifications
• HID Lighting, the facts and fakes...worth the price?
• LSD (Limited Slip Differentials: Story of KAAZ LSD)
• Oil Cooler Installation
• Plastic Models of Toyota Cars
• Products and Necessities for the AE86
• Proper Drifting...for Motorsports and Competitions
• Pros and Cons of Various 4A-GE, What should I install?
• Quick Shift and Quicker Steering
• Racing Terminology
• Short Stroke Suspension Guide - conversion of front strut
• Spin Turn Knob
• Tire Selections in the USA
• Tires and Handling / Yokohama Tires
• Tools for your Garage
• Valve Lifter Tuning by 1SZ-FE parts for the 16V 4A-GE
• Wheel Sizes

4A-GE 16V / 4A-GZE / 4A-GE 20V Specifications and Data

• 4A-GE (Japan) 16V / 20V Specifications 
• 4A-GE 16V (Japan) AE86 ECU Pin Identification
• 4A-GE 16V (Japan) AE92 (Non-TVIS)  ECU Pin Identification
• 4A-GE 16V (Japan) AE92 (TVIS)  ECU Pin Identification
• 4A-GE 16V (USA) AE82 FX/Sedan ECU PINS
• 4A-GE 16V (USA) AE86 Corolla GTS ECU PINS
• 4A-GE 16V (USA) AE92 Coupe GTS ECU PIN
• 4A-GE 16V (USA) MR2 AW11 ECU PINS
• 4A-GE 20V (Japan) "Black Top" AE111 ECU Pin Identification
• 4A-GE 20V (Japan) "Silver Top" AE101 ECU Pin Identification
• 4A-GE Connecting Rods
• 4A-GE Engine Block Specifications and Variations
• 4A-GE Crankshaft and Flywheel Analisis by Richard White
• 4A-GE / 3S-GTE Peripheral and weights
• 4A-GZE (Japan) AE92/101 ECU Pin Identification (Now including wire diagrams)
• 4A-GZE (Japan) Specifications 
• 4A-GZE (USA) AW11 ECU Pin Identifications
• 4A-GZE ECU MAP 8.9:1 Compression with DLI AE101
• 4A-GZE ECU MAP 8.9:1 Compression with DLI AE92 Late
• 4A-GZE AE92/AE101 Pin Out Comparison Chart
• 4A-GZE DLI Systems and Substitution
• AE86 Driver /Passenger Part Number Information - Repairs
• AE86 Final Drive (Differential) Gears and part numbers
• AE86 Model Name Comparison
• AE86 TRD N2 Spec. Racing Components
• Camshaft Comparison Chart 4A-GE 16 Valve
• Camshaft Comparison Chart 4A-GE 20 Valve
• Toyota ECU Diagnostic Codes
• Toyota Transmission Specifications

Frequently Asked Questions

FAQ Section:  These are short answers to many repeated questions I have seen on the BBS sections.  Some of these are purely my own opinions and others may differ but I have just listed some quick answers to help reduce repeated posts.  I also would like to thank all those with helpful knowledge who have continued to answer many key topics presented by visitors. 

• Limited Slip Differentials
• TVIS Removal?  Or Keep IT?
• 20V vs. Supercharger
• Brake Upgrades
• Individual Throttles on 16V??
• AFM clicking - How do I modify the Air Flow Meter setting to gain power?
• MAP vs. AFM Do Japanese spec. 16V 4A-GE parts make more power?
• SR5 and GTS difference?
• Lowering the car...faster car?
• Carburetors or Fuel Injection?
• Break-In for a freshly built 4A-GE...how and how long?
• 4A-GE/GZE Flywheels...how heavy should they be?
• Best Drift Setup?  Good for Street?
• Suspension Bushings
• SR5 to GTS Conversion, what's needed?

Past Articles (Uncategorized) and galleries

• Japanese AE86 Tuners Part 2: HOT STAFF's Twin Turbo AE86
• Japanese AE86 Tuners Part 3: Techno Pro Spirits
• Japanese AE86 Tuners Part 4: HOT STAFF's F20C Powered AE86
• Japanese AE86 Tuners: Ukiya Shoukai's Projects for 4A-GE
• Drifter's Life - A Suggestion for novice drifters...
• Drifting For Real - a guide to drifting
• Moto-P's AE86
• Moto's Car Ownership Timeline
• Nagata's AE86 SR5 to GTS Conversion Project
• Hiro Hatada's Passion and latest AE86....Tokico HTS Dampers
• Iida Akira's AE86, $100,000 dream of...
• Brief History on Australian 4A-GE
• 4A-GE Scrap Book
• Team Revvin' Over 40's
• 2004 Formula D - Team Drift Association - Trials and Accomplishents
• Club4AG FUNFEST 2004
• Drift Day Norcal 2005
• Formula D 2005 Round 1 and 2

more to come...

Important Notes:

This section is designed with a goal of providing a comprehensive compilation of technical tips and frequently asked questions and answers on 4A-GE engines as well as automobiles in which they are installed.   The information provided in these pages are not for absolute reference but as a general guide.  The Club 4AG is not responsible for any errors on these pages nor in any other sections of this web.  The data listed is accurate to the best of my knowledge.  However, occasional errors are prone so please e-mail me if you find any errors which I might have overlooked.  Some data will be referenced from the "tech talk" postings but all data will be checked for reliability and accuracy as I see fit by my own standards.  Credits are given where it's due.

Please excuse the dead links as this site is going to be under construction and frequent updates for a while.

Thanks and I hope you enjoy this new section at Club 4AG!