Here's a nice article with lots of build detail from fordnxt. Well worth the read.
http://www.fordnxt.com/features/car-features/a-detailed-look-at-the-kohr-mustang-gt4-road-racer/
http://www.fordnxt.com/features/car-features/a-detailed-look-at-the-kohr-mustang-gt4-road-racer/