[Vwdiesel] Retorquing ARP racing studs

[brian gochnauer]

Should have called them elastic bolts not stretch bolts ? eh?  :)

On 1/30/09, LBaird119 at aol.com <LBaird119 at aol.com> wrote:
>
> In a message dated 1/30/2009 2:46:47 AM Pacific Standard Time,
> toensing at wildblue.net writes:
>
> > If I recall correctly, the Bentley recommends torque to 43 pounds &then a
> > 180 degree then or two 90 degree turns. Wonder what that brings the
> effective
> > torque to?
> >
>
> Stretch bolts are called such because the "torque" spec is NOT
> set by torque, otherwise there would be a torque spec for it.  It's
> obviously not consistent or they could issue a setting.  They're
> designed to have a certain elasticity so stretching them a certain
> amount/length gives the tension that is desired.  Think of it like a
> rubber band airplane.  "Twist it 25 turns or whatever.  It never
> said to twist to so many pounds of pull.  Due to variations in temp,
> the rubberbad thickness, length of the end hook, etc, the tension
> will vary.  The number of turns won't.
>   Loren
>
>
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