Welcome aboard.
You've got a lot of good guys in the SoCal area...I'd suggest attending their meets and making it a point to hang out with them and ask questions. As Andrew said (Snoop)...do a LOT of reading on the boards too. If you've modified cars before, you already have an advantage. It's the same thing with the SRT-4 as with any other car, you just have to learn the ins and outs of this platform.
