I will just ask all my questions on this thread.

First off I want to thank all you guys that help me. I really like learning. It doesnt look like I am going to be down to long. I already got some ducks in a row with the help from some great people.
Valve ?? will a flat on the bottom valve give me a bit of compression over a dimple style valve?? Whats legal there? Whats angle vlave job?? I have heard of 3 angle but whats the point? Whats legal there?