I wouldn't think so.... I am not sure if Chrysler used the plastic gears in the '60's... I do know that they wore a lot faster than metal. I guess a tight set of cam bearings could cause premature wear.... Or really low oil level... Bob Oyen Oyen Consulting Mitchell 1 Independent Sales Rep 925-586-4105 -----Original Message----- From: mailing-list-owner@xxxxxxxxxxxxxxxx [mailto:mailing-list-owner@xxxxxxxxxxxxxxxx] On Behalf Of Chris Strohmeyer Sent: Wednesday, October 31, 2007 6:54 PM To: mailing-list@xxxxxxxxxxxxxxxx Subject: Re: IML: timing chain play Is it even remotely possible that an engine with 30k miles could have this play? Chris ----- Original Message ----- From: "Bob Oyen" <boboyen@xxxxxxxxxxx> To: <mailing-list@xxxxxxxxxxxxxxxx> Sent: Wednesday, October 31, 2007 6:18 PM Subject: RE: IML: timing chain play > Yes, > I've always used 1/2 inch as the safety cutoff. > > > Bob Oyen > Oyen Consulting > Mitchell 1 Independent Sales Rep > 925-586-4105 > > -----Original Message----- > From: mailing-list-owner@xxxxxxxxxxxxxxxx > [mailto:mailing-list-owner@xxxxxxxxxxxxxxxx] On Behalf Of Chris > Strohmeyer > Sent: Wednesday, October 31, 2007 6:06 PM > To: mailing-list@xxxxxxxxxxxxxxxx > Subject: Re: IML: timing chain play > > Thx Bob, > > You understand the 3/4" is the distance the harmonic balancer turns, > right? > > Chris > ----- Original Message ----- > From: "Bob Oyen" <boboyen@xxxxxxxxxxx> > To: <mailing-list@xxxxxxxxxxxxxxxx> > Sent: Wednesday, October 31, 2007 4:57 PM > Subject: RE: IML: timing chain play > > >> Sorry, premature sendage... >> If you see 3/4 of an inch, your chain has enough slack to jump a tooth. >> >> >> Bob Oyen >> Oyen Consulting >> Mitchell 1 Independent Sales Rep >> 925-586-4105 >> >> -----Original Message----- >> From: mailing-list-owner@xxxxxxxxxxxxxxxx >> [mailto:mailing-list-owner@xxxxxxxxxxxxxxxx] On Behalf Of Chris >> Strohmeyer >> Sent: Wednesday, October 31, 2007 4:44 PM >> To: mailing-list@xxxxxxxxxxxxxxxx >> Subject: IML: timing chain play >> >> Greetings all, >> >> I am trying to determine if there is excess slack in my timing chain >> on my >> 67 440. I have turned the harmonic balancer back and forth while >> watching the rotor and get about 3/4" of free movement at the >> balancer. Is this considered too much? >> >> Thx, >> Chris Strohmeyer >> 67 Imperial Convertible >> >> >> ----------------- http://www.imperialclub.com ----------------- >> This message was sent to you by the Imperial Mailing List. Please >> reply to mailing-list@xxxxxxxxxxxxxxxx and your response will be >> shared with everyone. 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