The nut behind the wheel is usually where the most time / speed is found.
Get some decent street tires, and try to get as many good drivers (The guys who always pax top 10 is a safe place to start) to ride with you, and or drive your car to show you what it can do with a proper driver (No offense should be taken, we all suck when we start). And hit as many schools as you can.
Also a lot of those mods will kick you out of SM iirc. I know that probably isn't a big deal, just thought I would mention it. If you plan on running a lot of SCCA events, it would be a good idea to familiarize yourself with the rule book. And remeber it is a white list, if it doesn't say you CAN do it, then you CAN'T.
http://scca.com/documents/Solo...s.pdf