[DeTomaso] Firestone recomendation

Thu Apr 1 10:37:52 EDT 2010

Helium isn't flamable, that's Hydrogen.

Nitrogen has been used in racing tires for decades because it doesn't expand
at temperature as does regular air.
This is applicable only in racing tires generally speaking where a 1 lb can
make a difference between "Push'n" and Pull'n" or as
sports car people say, Understeer and Oversteer.

IMHO opinion, removing the valve stems in a bad idea, valve stem caps,
threads and the stems themselves were not designed to be pressure holding
devices, but rather to keep it attached to keep the dirt out of the workings
of the air valve itself.

Every NFL and College team has at one time tried to use helium to make a
football fly higher and father, it has no measurable effect on either and
the weight in nearly the same,
'helium only works uncompressed when it is allowed to expand and displace
air.

As far as the 84.00 that you spent, if you are happy, that's all that
counts.

Hate to be a killjoy.

Michael

On Thu, Apr 1, 2010 at 10:28 AM, <tmshinro at aol.com> wrote:

>
>
>
>  I'll defer to those more knowledgeable, but isn't helium flammable
> (thoughts of the Hindenburg are coming to mind)?  I've heard of using
> nitrogen instead of air but this is the first I've heard of using helium.
>  Maybe it helps lighten the car :).
>
> I've also never heard of removing the air valve and relying on just the cap
> to keep the air/helium/nitrogen in the tire.   Sounds iffy to my old
> fashioned way of thinking.
>
> Tom
> #5186
>
>
>
>
>
>
> -----Original Message-----
> From: matt at nwpantera.com
> To: detomaso at realbig.com
> Sent: Thu, Apr 1, 2010 9:15 am
> Subject: [DeTomaso] Firestone recomendation
>
>
> Hello helpful forum members,
> I took my car to the Firestone shop this morning.They rotated the tires
> for me(left to right of course).The mechanic suggested I remove the old
> "dirty" air in the tires and replace it with helium.He said the benefits
> are many including less upsprung weight and total weight reduction of the
> car. I called my wife and she said it made sense to her so for $42.00 per
> axle I now have helium in my tires! I'm the man! He then needed to know
> what the factory torque specs were for the valve stem caps.
> He said this is critical because to further reduce weight he removed the
> innards of the valve stem. An old racing trick he said.I didn't have that
> info handy so he used a hi-tech calculation method on his computer
> database. That was only $19.95 and it seemed important so I said go for
> it.
> Better safe than sorry.
> It's rare to find a shop that really cares so much about safety and
> performance with our "exotic supercars",as they put it.
> I would sincerly recommend Firestone to anyone seeking help with the new
> up to date methods of increasing performance on your Pantera.
>
> Matt
> 3584
>
>
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-- 

Michael L. Shortt
Savannah, Georgia
www.michaelshortt.com
michael at michaelshortt.com
912-232-9390

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