hey, i have been wondering for awhile how to setup my own suspension.. could you guys help me with what everything does... i know the gt5 gives you an explanation but it kinda hard to understand.. thanks
this would probably been better placed in the tuning section. You could also consult the in game tips and said tuning section for this question that has been answered multiple times.
Start with those, they are stickied at the top of the tuning forum. Scaff's guides are for GT4 for the most part but the knowledge still applies. The link collection has plenty of debate about what settings do what from here in the forum. Read it and test it out, see what works for you.
The Limited Slip Differential is huge for on and off throttle transitions. Link below to the thinking from most GT Planet tuners. I also wrote a guide for beginners also linked below.