CEG wrote:
> On Oct 12, 10:29 am, "Ulysses" > wrote:
>> "Existential Angst" > wrote in message
>>
>> ...
>>
>>> Awl --
>>> Some shops rotate tires just front to back, others do the cris-cross. Is
>>> there a preferred way? I would think a purist or fanatic would rotate
>> more
>>> frequently as well, and include left to right as well. How to keep track,
>> Where I buy my tires they rotate for free and keep track of it on their
>> computer. They recommend every 5000 miles but I rarely get it done that
>> often. I think some car manufacturers recommend rotating one way and others
>> another way. I usually just rotate front to back and do not include the
>> spare in the rotation because it's almost never the same kind of tire and
>> it's just a plain, steel wheel. If the tires are wearing in the middle then
>> they are probably overinflated. If they wear only on the inside or outside
>> edge on the front then it's probably a good idea to have the alignment and
>> shocks etc. checked. My front tires always wear more quickly than the rear
>> and by rotating I end up getting more mileage from them overall.
>>
>>
>>
>>
>>
>>> tho.....
>>> I over-inflate my tires, but notice no un-even wear pattern in a given
>> tire.
>>> I figured if I saw the middle wearing faster than the sides, this would be
>>> proof of over-inflation, so I'm led to believe my over-inflation (a 35#
>> tire
>>> to 40, maybe 45) is not excessive. Is this assessment correct?
>>> I calculated some time ago that the diff in pressure between a cold tire
>> and
>>> a hot tire should be about 10%, but never got around to measuring this.
>>> Does this sound about right?
>>> Lastly, in a rear-wheel drive vehicle (6 cyl '04 Frontier, crew, 6' bed,
>> 4wd
>>> rarely used, no towing, about 1/2 of its miles loaded with 500-1000 lbs),
>>> which should wear faster, the front or the back, and by how much? And
>> under
>>> what conditions? Highway/city driving, in/about NYC.
>>> My mechanic can't remember if he rotated the tires or not, and I noticed
>>> quite a bit of difference in the wear between front/back, after 40,000 mi.
>>> In a front wheel drive vehicle, for sure it would be the front, as they do
>>> both the accelerating and the bulk of the braking, but in rear wheel
>> drive,
>>> the tasks are divided.
>>> tia
>>> --
>>> EA- Hide quoted text -
>> - Show quoted text -
>
> I was told it's not good to cross tires as the steel belts can get
> twisted. Maybe this is old school thinking.

it's impossible to do that anyway on many modern tires as more and more
tires have directional tread patterns. Unless you also dismount them
from the rims...

nate

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