Check out these heads. they are cheaper than AFR's and flow just as much with an as Cast port... your engine would really wake up with the 195cc Profilers, and Chad Speier is Awesome to work with. I have the 210cc version on my 408
http://www.speierracingheads.com/profilerecono.htm
Sorry I forgot to post the Article Duh! I'm from Boise by the way, it's good to see a fellow Idahoan online
http://www.chevyhiperformance.com/te...est/index.html