http://www.grandfatherclocks123.com/clock-news/the-clock-is-wound-too-tight
http://www.howtorepairclocks.com/clock-repair/grandfather/weights-are-on-wrong.html
http://www.stansclockshop.com/commonproblems.html
http://howtomendit.com/answers.php?id=370277
http://www.ebay.co.uk/gds/Its-just-overwound-NO-IT-IS-NOT-/10000000008098903/g.html
You DID try to help yourself by spending 60 seconds to do a Google search, didn't you?
thought not, July 2015