Well its time for a new cleaned up FAQ for all the noobs. Maybe this will save you from getting your head bit off from asking the same questions we have answered one too many times.
All this information was gathered from the original FAQ(as of 9/28/08)
Original FAQ
Just click the link to be taken to the corresponding post:
Engine Information:
Quick Engine List/Swap guide by 91civicDXdude
DPFI to MPFI Conversion posted by LadyNRedSi
DPFI to MPFI Conversion for Dummies by Tony
Idle Fixes by Setanta
Reprogramming MSD RPM Pills posted by GTA
Engine Swap Guide by Kris
ECU and Engine Information posted by GTA
Engine and Chassis Codes by BLU CIVIC
How to time a DOHC ZC by 91civichatch2571
Transmission Information:
Auto to Manual Conversion posted by Skeme1
General Information:
Frequent Corrections and Horsepower/Torque Information by Setanta
Bolt Pattern, Gauge swaps, ECU Codes, Body Panels by 1PhatCX
Paint Codes posted by Skeme1
Headlight Warning Buzzer posted by Skeme1
Better Headlight Warning Buzzer posted by Tony
Security, Cruise Control, and Stereo Wiring posted by BlueCivic83
Common 4 door answers by travagliante
Decoding your VIN number posted by T-Mo
0-60 and 1/4 OE Times posted by BLU CIVIC
Several different useful calculators posted by BLU CIVIC
Main Relay removal and fix posted by rusted
If you want to add anything, just post it here and Ill update the list when I can.