[Shop-talk] suv tires and oil question

Ronnie Day ronnie.day at gmail.com
Mon Aug 29 13:06:35 MDT 2022 

I just replaced a set of Yokohomas on a '98 F-150  that had 2013 date
codes. They had plenty of tread but were beginning to deteriorate badly.
Since this is our third vehicle/Home Depot truck that sits most of the time
(maybe 1K miles/year) I bought the cheapest light truck tire (Corsa
brand-265/70-16s) I could get from Discount Tire. Neither Sams or Costco
had anything comparably priced. I put the same tires on our '02 Suburban
several months ago. It's used more than the F-150, maybe 4k-5k/year. Our
daily is a '15 Honda Odyssey, which I put upper range Yokohamas on.

Over the years we've lived on our 10 acres in the country critters chewing
on wires and hoses have been a problem. Driving a vehicle
regularly discourages them from moving in, as does scattering cotton balls
soaked in peppermint oil around the interior and under the hood. That said,
I think any road vehicle needs to be driven every couple of weeks,
preferably at moderate steady highway speeds for 15 to 30 minutes. This
brings all the fluids up to stable operating temps and burns off most of
the contaminants in the oil and trans fluids. Short, stop and go city trips
shorten component life considerably.

I change engine oil and filter and have the tires rotated every 5K, and
check the tires at least every couple of months and/or when temps change
considerably. Tire pressure varies to the tune of 2 PSI/10 degrees change
in air temp.

FWIW,
RD

On Mon, Aug 29, 2022 at 12:42 PM Gene Garrison <gene at garrison-grafixx.com>
wrote:

> I'm glad you brought that up.  I've always wondered about changing oil.
>
> So oil sitting in bottles on the shelf doesn't "go bad".  Right?
>
> Then why does oil sitting in a rarely used engine need to be changed?  I
> know it now has contaminants and such in it, but those aren't going to
> cause it to degrade, are they?
>
> - GeneG
> On 8/29/22 03:59, Jeff Scarbrough wrote:
>
> I just replaced a set of trailer tires that had less than 2500 miles on
> them because they were ten years old and definitely showing it.
>
> I consider tires to be like oil - they should be changed at a mileage or
> time interval, whichever comes first.  It's just something you have to
> budget for.
>
> On Mon, Aug 29, 2022, 02:04 Bob Spidell <bspidell at comcast.net> wrote:
>
>> re: "How many years can a set of tires go ..."
>>
>> Subject to debate, and how the tires are maintained. Some--often people
>> who make and sell tires--insist six years is the limit, regardless of
>> mileage, and if the tires are constantly exposed to extreme weather and
>> mileage that's not unreasonable. OTOH, if the tires are kept in a garage
>> not subject to temperature extremes and are only used 'around town' you can
>> usually go more, 7 or 8 years wouldn't be too risky. At any rate, going
>> beyond 10 years is pushing your luck.
>>
>> BUT ... for an SUV I'd be more cautious and probably observe the 6-year
>> 'rule.' SUVs and other trucks are top heavy and a catastrophic
>> failure--i.e. a blowout--esp. on a front tire can cause the vehicle to roll
>> over. Ford just got slapped with a $1B+ liability charge for an old truck
>> that had a blowout, rolled, and the cab squashed the elderly occupants. A
>> couple decades ago Ford got slammed when some incorrect, improperly
>> inflated Firestone tires--Ford and Firestone go WAY back--caused some fatal
>> rollover accidents with some Explorers.
>>
>> My rule of thumb: If I find myself worrying about my tires, it's time for
>> new. Your tires are only three years (+/-) old and, unless they're showing
>> 'checking'--cracking--or other damage they should be good for at least a
>> couple more years. Check your tire pressures regularly (at least once a
>> month).
>>
>>
>>
>> On 8/28/2022 9:19 PM, Shannah Miller wrote:
>>
>> Thank you, Ian, for commenting to the group.  I will
>> need tires at some point, and that's good to know.
>>
>> That said, my car is the spare car of the family, and
>> has had the same tires since 2019.  How many years
>> can a set of tires go if they are just mostly used to
>> putt around town?  (My car has not quite 10,000 miles
>> on it.)
>>
>> Thanks,
>> Shannah
>>
>> On Sun, Aug 28, 2022 at 7:20 PM Ian McFetridge <shop-talk2 at mcfetridge.org>
>> wrote:
>>
>>> I have had the Michelin Defender LTX on my pickup since fall 2020 and
>>> they are wearing well, ride smooth and quiet.  I’ve used Michelins on
>>> trucks since I worked in the tire dept at Sam’s in college.  They always
>>> took the least amount of weights to balance and had the least returns for
>>> issues or to rebalance.  The manager at Costco said that is all still true
>>> when I bought the last set.  YMMV :)
>>>
>>> Best
>>> Ian
>>>
>>> On Sun, Aug 28, 2022 at 8:03 PM john niolon <jniolon at att.net> wrote:
>>>
>>>> shop content... I drive my suburban into my shop
>>>>
>>>> time for tires... always used Michelin for the last 20 years with good
>>>> service... Vehicle is 2008 Suburban 1500 with 95% highway or town ...no off
>>>> road
>>>> occasional towing my hobby truck to shows on 20' car hauler (once or
>>>> twice a year with load equalizing hitch...)  Looking at reviews on my first
>>>> choice Michelin Defender LTX/MS
>>>> 275/55-20.   The reviews talk a lot about road noise and rough
>>>> ride..... My current Michelin Defenders  (bought in Jan 2016 ride smooth
>>>> and wear well.. 76K miles on them so far)
>>>>
>>>> I just turned 75 and this might be my last set of tires  [image:
>>>> Grinning Face with Smiling Eyes] … so I'm looking for your thoughts on
>>>> Michelin or others afa mileage, ride, noise etc.
>>>>
>>>> thanks
>>>> john
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