Hey I've been reading some of the threads here and I wanna know what OBDI and OBDII are? What are the differences and what do they do?

Also what is LSD? I was looking at this page w/ engine swaps and it says LSD optional. Whats that?

Originally posted by iLLuCiv99
Also what is LSD? I was looking at this page w/ engine swaps and it says LSD optional. Whats that?
it means Limited Slip Differential.

Originally posted by 89ssgti

it means Limited Slip Differential.

What does that do? How is it different from stock or whatever? And if a car doesnt come w/ LSD what does it come w/??

for more info,check here (http://www.howstuffworks.com/differential6.htm)
and for your obd ? go here (http://www.howstuffworks.com/car-computer1.htm)
btw,it means On Board Diagnostic,with obd 2 being more strict and checking the engine operation more closely