Quote Originally Posted by o2camaross View Post
I hear ya. Almost all builds are budget builds lol. Mine was too but there's some things you want to do right the first time. The 706 can work but there was a bad batch of them and you may have a pair from the bad batch. 317 will lower cr too much and I would advice against milling them if you want to push it
Good points. I was going to say if you take a 706 head and have it ported you've pretty much got a 317 with a smaller combustion chamber and a little bit smaller intake valve. I run 706 heads with nothing done to them and make over 500 to the ground.