Try posting over on the Yenko website. They cover all the "supercars", Yenko, COPO, Baldwin-Motion, Dana, Berger etc and have LOTS of knowledge. Just reading some of the prior posts will answer most of your questions.
Jim
http://www.yenko.net/ubbthreads/ubbthreads.php?Cat=
Jim
http://www.yenko.net/ubbthreads/ubbthreads.php?Cat=
