Have any plans of what you want to do. You have deffinatly come to the right place to get help. The people that you'll meet in here are a wealth of knowledge. The've helped me out quit a bit. Here are a few sites to check out for pretty much anything you can think of for a GP:
3800performance.com
3800pro.com
aedcentral.com
andysautosport.com
grandprixstore.com
summitracing.com
prjperfomance.com
zzperformance.com
wbodystore.com
intenseracing.com
You can check out these sites, get ideas of what you want and then come back here, run it by everyone and see what advice we can give you on what you want to do. That way you know you will be heading in the right direction. I'll be honest with you though, it's going to take a decent amount of money to build these cars. It can be done though, just have to have patience and figure out what you want your buget to be.
