[Vwdiesel] Torque to Yield

[Stephen Kraus]

Might I suggest ARP studs?

On Tue, Mar 1, 2011 at 6:51 AM, Patrick Dolan <pmdolan at sasktel.net> wrote:

> The mere fact that a TTY bolt CAN be used into a range of strain that puts
> it into plastic deformation without brittle tensile failure should be
> telling us that they are not particularly high strength fasteners.  I
> would be comfortable replacing them with 8.8 for shear bolts and 10.9 if
> loaded in tension- coarse pitch for most, fine pitch if clamping a surface
> to immobilize a joint is the service condition.  Then, just torque to spec
> for the fastener size, grade, pitch and thread condition (i.e. wet or dry).
>
>
>
> ----- Original Message -----
> From: Shalyn Shourds <sshourds at flash.net>
> Date: Tuesday, March 1, 2011 1:00 am
> Subject: [Vwdiesel] Torque to Yield
>
> > I'm making some good progress on my '00 Jetta front end project,
> > but it
> > seems like every bolt I pull out of it is a TTY bolt.  I'm
> > probably
> > going to be out nearly $100 replacing just those.  Knowing that
> > cars
> > stayed together before those were implemented, is there a
> > guideline for
> > substituting in non-stretch bolts?  I recently did the front end
> > of my
> > '85 and I only had to replace a few lock nuts.  The system as it
> > is has
> > lasted 280,000 miles so I don't know if I'll ever have to go back
> > in
> > there again, but I guess I'm wondering just for engineering
> > knowledge's
> > sake.  I do have access to a reasonably large store whose only
> > product
> > is metric hardware, so there's a good chance that I could find
> > equivalents.
> >
> > -Shalyn
> > _______________________________________________
> > Vwdiesel mailing list
> > Vwdiesel at vwfans.com
> > http://www.audifans.com/mailman/listinfo/vwdiesel
> >
>
> _______________________________________________
> Vwdiesel mailing list
> Vwdiesel at vwfans.com
> http://www.audifans.com/mailman/listinfo/vwdiesel
>