This is what I'm referring to, though it references gaining/losing *seconds* per day. Like someone above asked, how long does it take for yours run 5-8 min fast?
HTH!
http://img401.imageshack.us/img401/8845/rsczy5xt7.jpg
HTH!
http://img401.imageshack.us/img401/8845/rsczy5xt7.jpg
