That vehicle belongs to Rick King who indeed is a member here. His username is 72Demon416
Mine is 436ci w/W5's and made 713/616 with a dominator on it. It is driven on the street all the time. I think the heads flowed intake in the 330 range. Here is a link to Ryan's writeup on it.
can you tell us a little more about the car and how you've done on the track please?