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Car Forum / Driving, Maintenance, Tuning / Maintenance and Repair / November 2005

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Question about tires

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Torquemada - 24 Nov 2005 01:21 GMT
I'm considering purchasing tires and I have some questions regarding the
speed ratings.  When I choose tires on  "Tire Rack" it warns that the
minimal rating for tires on my 4 cyl accord are H rated (130 Mph).  The T
rated tires (118Mph) are significantly cheaper.  Given that I am not a "boy
racer" and generally do not drive much above 65-70 I was wondering whether
I would be OK with T rated tires?  Why H is the recommended minimum rating
on "Tire Rack"?  Also what is the difference between the ratings other than
what the top speed of the tire can handle?

Regards,

Tony.
C. E. White - 24 Nov 2005 04:19 GMT
> I'm considering purchasing tires and I have some questions regarding the
> speed ratings.  When I choose tires on  "Tire Rack" it warns that the
[quoted text clipped - 6 lines]
> than
> what the top speed of the tire can handle?

Well the tires may be different in other ways, quality of construction,
tread compound, tread pattern, rated life, etc. The reason Tire Rack
recommends H Rated ties is because that is what came on the car. The top
speed of the car is likely limited to less than 130, either because it
doesn't have enough power to go that fast, or because Honda included a speed
limit in the PCM. Either way, it is likely the car can exceed 118 mph. So,
say Tire Rack sold you the T rated tires and then you drove at over 118 mph
and the tires blew out? Who would your lawyer go after? Clearly you were the
idiot who bought tires that were not rated for the way you drove, but suing
you wouldn't make anybody rich, so your lawyer or the lawyers of other
victims affected by the accident would probably sue Tire Rack, the tire
manufacturer, Honda, and anyone else even remotely connected to the accident
because that is where the money is. So to protect themselves from bottom
feeding scum sucking lawyers, companies like Tire Rack have to protect you
from yourself. Now I am sure you will never drive over 118 mph and that the
T rated tires are perfectly OK for your usage. Tire Rack will sell you the
tires, but only if you don't make it clear what you are doing. Lots of tire
stores won't installed tires that don't at least exceed the OE tires speed
and load ratings. Just thank lawyers when you have to pay for tires that are
far more than you need.

Ed
* - 24 Nov 2005 13:17 GMT
C. E. White <cewhite@mindspring.com> wrote in article
<hbbhf.4792$wf.2833@newsread3.news.atl.earthlink.net>...

> Now I am sure you will never drive over 118 mph and that the
> T rated tires are perfectly OK for your usage.......

......which sets YOU up as the one who gave improper advice. If the tires
blow out, the lawyers will be coming after YOU for your recommendation -
which goes against the manufacturer's recommendation.....

Your psychic abilities to evaluate the OP's driving styles and habits could
be of value to many companies out there in the automotive
business.....perhaps even Tire Rack!!!

You are absolutely "SURE" that the OP will NEVER drive over 118 mph????

> Just thank lawyers when you have to pay for tires that are
> far more than you need....

.....and, of course, people who give unsubstantiated advice, setting the
lawyers up in the first place.
Steve - 28 Nov 2005 16:16 GMT
> C. E. White <cewhite@mindspring.com> wrote in article
> <hbbhf.4792$wf.2833@newsread3.news.atl.earthlink.net>...
[quoted text clipped - 11 lines]
>
> You are absolutely "SURE" that the OP will NEVER drive over 118 mph????

What frickin' amazes ME is that so many people firmly believe that tires
will magically disintegrate if taken briefly above their speed rating.
Its no wonder the economy is in such a mess with people spending their
money to buy stupidly overrated tires for their cars.  The speed rating
is related to heat dissipation, and is intended to represent the maximum
SUSTAINED speed that will not damage the tires under any forseeable
conditions. I'd be much more worried about getting tires with excellent
traction, good durability, and a good quiet ride than worrying about the
stupid speed rating.

Of course you're right, when it comes to legalese. Accidents happen, and
should high speed and a blown tire be involved, the lawyer brigade would
try to pin it on an "under rated" tire and whoever sold it, even if the
tire still had a railroad spike sticking out of the sidewall.
Dan  Beaton - 24 Nov 2005 17:02 GMT
Tires with a higher speed rating often provide better handling
(e.g., more precise turn in) than lower rated tires. The type of
handling difference will result in more comfortable cruising at
highway speeds, especially in adverse conditions (e.g., rain).
In other words, in going from H to T rated tires, you might
find your car less comfortable to drive on the highway.

Some tire companies offer 30 day money back guarantees if you don't
like the tire.

Dan

(This account is not used for email.)

> I'm considering purchasing tires and I have some questions regarding the
> speed ratings.  When I choose tires on  "Tire Rack" it warns that the
[quoted text clipped - 8 lines]
>
> Tony.
mst - 24 Nov 2005 19:52 GMT
> Tires with a higher speed rating often provide better handling
> (e.g., more precise turn in) than lower rated tires.

True. And to further that exercise, go with a lower-profile tire

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Torquemada - 25 Nov 2005 20:42 GMT
> Tires with a higher speed rating often provide better handling
> (e.g., more precise turn in) than lower rated tires. The type of
[quoted text clipped - 22 lines]
>>
>> Tony.

Thanks to everybody who responded, expecially Dan above.  This was the type
of information I was looking for as I figured that there perhaps were other
differences besides the speed issue.

Tony.
Steve - 28 Nov 2005 16:18 GMT
Dan Beaton wrote:

> Tires with a higher speed rating often provide better handling
> (e.g., more precise turn in) than lower rated tires.

And some lower speed-rated tires will provide MUCH better handling and
traction than higher speed rated tires.

There's no "rule of thumb" here at all. It depends on the quality,
design, and construction, not the speed rating, of the tire.
marks542004@yahoo.com - 25 Nov 2005 19:28 GMT
> I'm considering purchasing tires and I have some questions regarding the
> speed ratings.  When I choose tires on  "Tire Rack" it warns that the
[quoted text clipped - 8 lines]
>
> Tony.

In my area it is illegal to fit tires that are not at least the
placarded tire rating. It makes owning some "performance" cars a real
pain.
magnus - 26 Nov 2005 18:02 GMT
how often would you be driving at 100+ mph speeds.

bet u would be OK !

magnus
 
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