500 ci Cad engine weighs 600 lbs.(thats 25 more than an all iron small block chevy) Edelbrock intake & cam, Sanderson headers, engine set back within 1/4" of firewall due to dist. in front,2004R od trans bolts right up,2 1/2 dual exh. and you have a killer street Z (just dont turn it over 4800 rpm)