I'm glad that ironworker responded to this thread. I know that he is someone who knows what they are talking about concerning steel... not the kind of stuff you learn from a classroom or by searching the internet.
here is a thread about pipe from a guy who is an engineer, and actually is also smart enough to build stuff no matter what the school says...http://www.greatlakes4x4.com/showthread.php?t=1919
04 TJ "U" package
06 XK Commaddy 4.7