Deng, we're basically a 1/2/3 UZ forum, and not many, if any, of us have played with the newer "big" V8's like the UR's. There was some discussion years ago about shoehorning one into an SC400 chassis, or similar, but I think the general consensus was that it would be too big and too complicated. But where there's a will, and good knowledge, and lots of money, there's always a way......