Update 2/17/11.
Car has been used as my winter driver, and is holding up real well. I did manage to install the Jeep rims along with new tires as well (P215/65/R15). So they're a little wider than normal and make the car look a whole lot better.
Unfortunately, I do not get very good gas mileage. I've done several tests, and each time it averages right around 11-12 mpg. I know that I don't baby an engine (I'm a teenager, as some would say it is the reason for the bad mpg)...but then why would my Concord average around 16 mpg with the same driving habits?
As of right now, the car is at my buddie's shop getting a new valve cover put on, as the old plastic one was terribly warped and leaked oil everywhere.
I've also repaired all of the body damage from the previous owner and the incident with my friend, and it turned out real good. I've also added a pair of driving lights and an aftermarket tachometer and a few other extra goodies. It has come a long way since September when I bought it, I'll take some pictures of it tomorrow for you guys to see how it looks today.