I got this in an email awhile back and I meant to put it in here. I am truely sorry that it has taken me so long to get it done, but here it is.
http://www.metalgeek.com/cgi-system/php5.cgi/static/cope.pcgiAnd a tube calculator too.
http://www.advancedtubular.com/As always, feel free to send me these in emails or PM's on the board. If they are worthy info, then I will post them on the board for all to use and see.
