[Fourlanders] Question For The Braintrust

[ww8rr]

BTW...this is yet another point that the advocates of using Nitrogen in auto tires have on thier list of reasons.....the Oxygen in common compressed air is what causes rubber oxydation and decomposition since that area is not expised to the sun.Nitrogen does not attack the rubber in the same way and the advocates claim the tire area on the inside of the wheel stays "Healthier".Believe what makes you feel good i guess
Ron
From my Samsung Galaxy S4

-------- Original message --------
From: Ron Rogers <ww8rr at charter.net> 
Date: 10/05/2015  7:11 AM  (GMT-05:00) 
To: 'Sherman Banks' <w4atl at shermanbanks.net>, 'Jim Worsham' <w4kxy at bellsouth.net> 
Cc: fourlanders at contesting.com 
Subject: Re: [Fourlanders] Question For The Braintrust 

I agree with Sherman about tire aging. The debate seems to be whether the
tires can go 5, 6, or 8 years as a safety maximum,  but all tire companies
will say Absolutely no more than 10 years if the tire will see speeds in
excess of 50 MPH. 
Just like rubber bands that deteriorate over time, tire rubber compounds dry
out and the internal bonding of the tire layers and belts will begin to
loose elasticity, bonding power, and begin to separate.....especially at
heavier loads at higher speeds. People that buy used tires for campers and
trailers really run a risk of separation since they usually pay no attention
to the tire date codes.

But I myself never have the opportunity to hold onto a set of tires beyond
3-4 years since I put more than average annual mileage on my vehicles.   

Ron
WW8RR
-----Original Message-----
From: Fourlanders [mailto:fourlanders-bounces at contesting.com] On Behalf Of
Sherman Banks
Sent: Monday, October 05, 2015 3:18 AM
To: Jim Worsham
Cc: fourlanders at contesting.com
Subject: Re: [Fourlanders] Question For The Braintrust

Yes, this is true, but 5 years is a bit soon to replace them. But I would
definitely not let them go more than 10 years before replacing them. The
tire could start to separate internally so that you can't see it. Dry rot is
only one thing that could happen and the rot could be occurring internally
where you can't see it.

I recently replaced the tires on my '68 Charger since the date code showed
they were over 10 years old even though the tread was still good.


>  On Oct 5, 2015, at 1:02 AM, Jim Worsham <w4kxy at bellsouth.net> wrote:
> 
> I was at Sears today getting my oil changed (they are open on Sunday) and
the service guy approached me about something rather odd.  He said that my
tires were five years old and they should be replaced.  I did get the tires
about five years ago but they still have good tread and there is no sign of
dry rot or anything to make me think that they should be replaced.  When I
pointed this out to the guy he said that tires have an expiration date and
they are not safe after that date.  I blew him off and told him thanks but
no thanks.  I have to ask you guys have any of you heard of this?  Sounds
like a scam to sell tires but I want to be 100% sure.  Thanks.
> 
> 73
> Jim, W4KXY
> 
> Sent from my iPad
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> 
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