I am looking for good sites to look at entry level road race type mustangs for sale. Entry level because I don't really want to spend over say $8K. I want to start getting an idea of what cars sale for as to better determine if I want to build or buy.
I have never come across an instance where it was cheaper to build a car than to buy an existing car. Used race cars are the best bargain on the planet, especially right now. Figure on spending at LEAST twice the amount to build an equivalent car.
Wanting to eventually get a car for wheel to wheel competition. I would build my own cage and rear suspension but I am pretty sure it would still be much cheaper to buy.
unless you've been building race cars for a long time, I strongly recommend against doing this, particularly for the roll cage. Better to use someone who's been doing it for a long time and has has plenty of opportunity to learn from his mistakes rather than to risk making your own.
Are their any classes that are cost conscience that this is allowed that you guys know of?
Like coupe de Surf said, the Camaro Mustang Challenge is probably the most appropriate class for you to get started in and NASA Texas has a VERY strong CMC presence with several national champions who are eager to mentor new racers. With CMC regulars making the move up to CMC2, there's plenty of opportunity for new CMC guys to make their mark. There's several CMC cars in Texas for sale too, I think.
Which brings up another point. If you want to get started racing, the season is about to start. The sooner you hit the track, the better since you'll need to work your way through the racecraft school to get your license. Building a race car is just going to delay that.