I'm gonna stop by Larry's performance shop in Montebello,Ca. on my way to L.A. this trip and talk with him about his 415 cid SBC assembly kit. not sure if my dart heads with their small 180cc intake runners will allow such a large displacement engine to breathe correctly on the top-end, but then again it may be just what the doctor ordered for a absolute torque monster with my heads and cam combo. Heck, i'll just slip a 5500 rpm chip in the rev limiter and let her rip such a combo would easily make over 500 ft lbs of torque and 450 HP Larry wants $1545.oo out the door for the 415cid kit and i am really drooling bad for it. check em out at http://www.larrysperformance.com PS the wife thinks i need psychiatric help....opinions???????