Below is a compilation of tech facts from various sources that in most cases are pretty simple to do. They can also save you lots of money!

RX-7 Stats
Maintenance
RX-7 FAQ
2nd. Gen Injector Calculator
Mod Chart
Alignment for autox
Suspension adjustments for autox
How to modify 1600cc injectors to fit in stock location
The Hitman's Rotary Setup Tips
Common Starting Problems
"What's up with my idle?
Stereo System Upgrade
Adjusting Over-Rev Buzzer
Mazdatrix How-to's
RX-7 Specs
Clock Warning Light Cluster Repair/Replacement
Logicon Repair/Replacement
6 Port Actuation

Will Jenkins Tech Info.
Turbo Removal on a FC
Wide World of Turbo-How a turbo works

Jeff Wozniak Tech Info.
TPS Adjustment
ECU Codes
EGR Valve
Beef Up Your Electrical System
Beef Up Your Stereo
Install Cruise Control
Tokico Shock Install
Replace Sway Bar End Links
Larger Sway Bars
Installing K&N Air Filter
Installing GTU Type Spolier
4 To 5 Bolt Conversion
Installing 89 Tail Lights
Installing Turbo II Side Mirrors
Installing Electric Fan
Replacing Automatic With 5 Speed
Installing Bonez High Flow Cat

Dave Disney's "How-to's"
MD Racing Fuel Computer Chip
Oil Cooler Fix
RacingBeat Header/Presilencer
Electric Fan Replacement

Jason's Product Reviews
Apex-i N1 Cat-Back exhaust
Bonez HiFlo Cat
Bonez HiFlo Intake
Bonez Street/Comp Clutch and Pressure Plate
MD Racing Fuel Computer
RP Main Underdrive Pulley
Racing Beat Anti-Sway Bar set
Racing Beat Single Outlet Header w/ ACV Block-off Plate
Tokico Illuminas 5-Way Adjustable Struts
Wolf AF1 Air/Fuel Meter

Eric Moreira's How To's
Throttle Body Modification
ACV and Split Air Pipe Removal
Fuel pump rewire
Testing your TPS
Setting your TPS
Removing Air Pump (Should be done in conjunction with ACV)
Haltech E6K
Greddy Air Fuel Ratio Monitor
Changing your differential lube
Removing your Air Conditioning
Making a test lamp
3rd. Gen Alarm Wiring
3rd. Gen vacuum hose diagram
3rd. Gen Haltech Ignition Info.
Transmissions Fluid Change
Brake Change
Brake Bleeding