NASCAR and Stockcar Racing

lug nuts query, Pepsi 400

We watched the NBC coverage of the Pepsi 400 yesterday.  Awful.  The race
ending was great though.
Afterwards, we watched the NASCAR special  on NBC.  At one point they showed
the guys glueing the lug nuts to the hubs on the extra sets of tires.  Now,
when the tire guy puts the new tire on the car, and starts tightening the lug
nuts, why don’t the other lug nuts fall off?  Tightening the first lug nut will
pull the hub tight to the axle, and I would think the bolts would push through
the nuts and loosen the glue?  Or the vibration from tightening the first would
loosen the others?

Any insights on this would be greatly appreciated.

Judy Schroeder, cheering for Greg Biffle at Watkins Glen right now!
Go local racer!

Comments (4)




4 Responses to “lug nuts query, Pepsi 400”

  1. admin says:

    The cars have longer posts (the five things that the lugs screw into) with
    narrow ends then street cars.  Pushing the tire onto the posts put them past
    the point at which they would vibrate off (usally).

    Steven Scharf
    SCSMe…@aol.com

    nieka…@aol.com  (Nieka225) asked:

    Afterwards, we watched the NASCAR special  on NBC.  At one point they showed
    the guys glueing the lug nuts to the hubs on the extra sets of tires.  Now,
    when the tire guy puts the new tire on the car, and starts tightening the lug
    nuts, why don’t the other lug nuts fall off?  Tightening the first lug nut will
    pull the hub tight to the axle, and I would think the bolts would push through
    the nuts and loosen the glue?  Or the vibration from tightening the first would
    loosen the others?

    Any insights on this would be greatly appreciated.

    Judy Schroeder, cheering for Greg Biffle at Watkins Glen right now!
    Go local racer!

  2. admin says:

    The glue is soft and spongy so it sort of stretches a bit.  They also file
    the bots so that they are smooth for the first part of it, that way the
    bolts slide on to the studs and stay there when the hub receeds away, they
    stay there.

    The first guy to figure this out, I forget who it was, apparently smoked the
    field on pit stops all day long till the rest caught on.

    Pit stops took 45 seconds each once upon a time..

    -Russ.

    "Nieka225" <nieka…@aol.com> wrote in message

    news:20010708152516.07336.00001677@ng-ft1.aol.com…

    - Hide quoted text — Show quoted text -

    > when the tire guy puts the new tire on the car, and starts tightening the
    lug
    > nuts, why don’t the other lug nuts fall off?  Tightening the first lug nut
    will
    > pull the hub tight to the axle, and I would think the bolts would push
    through
    > the nuts and loosen the glue?  Or the vibration from tightening the first
    would
    > loosen the others?

    > Any insights on this would be greatly appreciated.

    > Judy Schroeder, cheering for Greg Biffle at Watkins Glen right now!
    > Go local racer!

  3. admin says:

    On Sun,  8 Jul 2001 21:43:41 CST, scsmedia…@aol.com (Steven Scharf) wrote:
    >The cars have longer posts (the five things that the lugs screw into)

    Those posts are the "lugs".  The bits which screw on to them are the "lug nuts".
    As you noted, the lugs are about an inch longer than usual, and that end inch
    is turned down (the threads are cut off) so that the nut will just hang on it (hopefully,
    every so often one falls off, and the tire changer has to pull another one out of
    his belt, or his mouth, or wherever he keeps a spare.)

    John

  4. admin says:

    You saw it on Speedvision with the rest of us.

    hehehe.

    -woogeroo

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