Hmmm, makes me wonder if our heads should be torque dry or lubed? I have
never
intentionally dried my nuts or studs off before torquing. I would bet they
are more lubed
than dry in this area. oops!!!
Off with my head,
Mark
----- Original Message -----
From: "BJ8Healeys" <sbyers@ec.rr.com>
To: <healeys@autox.team.net>
Sent: Friday, December 05, 2008 5:00 PM
Subject: Re: [Healeys] Speaking of bolts and stuff
> Gary, what is really important in a torqued fastener is the tension
> produced
> in the fastener by the torquing process. Normally nut torque is specified
> for "dry" threads. If a fastener is lubricated and then torqued to a
> "dry" specification, it can be overtorqued even to the point of failure
> because there is less friction between the lubricated threads to resist
> the
> torquing process. That is, the tension produced in the fastener will be
> higher at the point where the specified torque is reached on the torque
> wrench.
>
> If a torque is specified for lubricated threads, it will be stated as
> such.
>
> Steve Byers
> HBJ8L/36666
> BJ8 Registry
> Havelock, NC USA
>
>
>
> -----Original Message-----
> From: healeys-bounces@autox.team.net
> [mailto:healeys-bounces@autox.team.net]
> On Behalf Of Editorgary@aol.com
> Sent: Friday, December 05, 2008 4:33 PM
> To: healeys@autox.team.net
> Subject: [Healeys] Speaking of bolts and stuff
>
> On another site I frequent, regarding modern Mercedes, someone last week
> recommended that folks should use anti-seize on lug bolts. Seems to me I
> recall
> that this is not a good idea on any bolt that needs to be tightened to a
> specific torque spec. Can someone who is more knowledgable enlighten me on
> this?
> Thanks
> Gary
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