Yes, I am gunna be THAT guy and be secretive about my new mods. I am doing a new combo with different specs no one has tried before.
But here is a lil sneak peek of ONE of the things that will be going on before the Dyno Meet on the 30th...
http://www.ls1truck.com/upload/files/131/heads.JPG
http://www.ls1truck.com/upload/files/131/heads-1.JPG