I don't think there is a threaded collar inside the bumper, but yes, those are pilot holes. Check the Bentley - the one for the CQ talks about this operation, not that I'm ready to do it yet... -- Dan Simoes dans@ans.net ANS Communications http://coimbra.ans.net/dans.html 100 Manhattanville Road (914) 701-5378 (voice) Purchase, NY 10577 (914) 701-5310 (fax)