This might be useful for everyone as well.
http://www.vintagewatercooleds.com - goto Tech section
Covers VW Technotes, Techtips and Tech Procedures (whatever you call them!)
A1, A2, B1, B2, BX, Fox, Golf, Cabriolet, Rabbit, Scirocco, Jetta, Dasher, Quantum, and Corrado
Blue links go to technote, black bold means coming soon!
General Tech Tips
VW Links - Links to other great VW related sites, parts and forums. None of this is paid for, it's just respect around here!
Tools - This technote explains the importance of good tools, which ones you want, and which ones you need.
All about Oil - Includes oil viscosity charts and information, oil change, and oil filter types and wrenches
Basic Ignition Maintenance - Replace your spark plugs, cap and rotor, and information on plug types.
Gasoline - General Information on Gasoline, Grades, Octane, wholesale gas, running out of gas and pinging.
Basic Tire Maintenance - Tire pressure, Nitrogen, tread wear, traction ratings, and sizing information.
Fuses and Relays - Fuse Panel information, including relays and fuse ratings for your car
Lighting Technotes
Light bulb Guide - Bulb charts, and information on bulb manufacturers.
Headlight Relaying Guide - Give your headlights a power boost, or properly hook up European or higher wattage headlights.
BMW e30 Headlights for Mk1 Scirocco - Give your mk1 Projectors - You can also do it to a mk2 Scirocco with the technote below
Round Headlights for Mk2 Scirocco - Put Mk1 Scirocco headlights in a Mk2 Scirocco - for an old-school look
Euro Headlights for Mk2 Scirocco - It makes a huge difference - both in looks, and in lighting quality.
Smoothing Taillights - Smooth the ridges out to polish the taillights for a clean look.
Electrical Technotes
Fuses and Relays - Fuse Panel information, including relays and fuse ratings for your car
The Definitive Starting Guide - How to get your car that won't start started!
Ignition Systems in Detail - How the Hall sender works, Coils, types of wires, troubleshooting and knock sensors.
Add a Better Ground (-) - Fixes many random electrical problems, and helps everything in the car work better.
Alternator Tips for 8v and 16v engines - Fixing charging problems, updating to a 90A alternator, Brackets and pulleys.
Oxygen Sensor & Air/Fuel - Fix the 'wavy' idle, then adjust your air to fuel ratio and pass emissions.
Fuel System Technotes
All About Throttle Bodies - Install a new throttle body with larger butterflies for better airflow.
Cleaning the CIS Airflow Sensor - Clean the Airflow sensor for better running and cleaner fuel.
CIS Troubleshooting - COMING SOON! - Fix weird running problems, clean up emissions, and fix fuel issues.
Cone Filter for CIS - How to adapt the CIS system for a cold air intake.
Megasquirt Electronic Fuel Injection - Building, Installing, wiring, tuning, and programming the Megasquirt EFI system. This technote covers CIS, CIS-E and Digifant cars. (UPDATED LATE 2006)
Body and Wheels
Fiberglass Repair - Fix a broken body kit piece, wheel arch or front spoiler.
Replacing the Windshield/Seal - for the older non-bonded, press-in style windshields used on A1 Cars.
Plate Holder for Mk2 Scirocco Nifty License Plate mod with parts from a VW Quantum.
Fixing the Sunroof - Make that sunroof work like new. Fix leaks and Hard to move sunroof mechanisms.
Interior Technotes
16v Roof Antenna - Installing that nifty roof antenna!
Custom Gauge Faces - You want white gauges? How about red? Make 'em yourself! (with PSD Gauges Download)