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Posted by Dick Byrd on February 1, 2007, 1:59 am
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John:
Thanks. I'll need to do some more thorough research when it is time
for me to get new tires. Since my Prius is only 6 months old. I hope
have some wait before I need to replace. By then, I suspect
that current information wouldn't be any good.
Dick
> Hi Dick,
>
> I found much of my information by searching the Prius Chat forums for
> "Tires". There are a number of posts concerning this subject.
>
> I am accessing the Usenet NOW using Google Groups so I can't upload
> the two PDF's that I have that really got me interested in LRR tires.
> They are the "Green Seal Choose Green report" and the "RMA data
> report. Both are available in PDF format. I also googled LRR and
> checked Wikipedia too.
>
> Part of the problem is that the Green Seal Report is a few years old
> and the manufacturers have discontinued some of the tire models. That
> publication also does NOT identify any compatable tire sizes for our
> chosen vehicle. So some "interpolation" was required. That means I
> had more research.
>
> Once I compiled a "short list" of tires, I made a chart that listed
> estimated mileage, cost, LRR factors, and the cost at local
> retailers.
>
> -John
>
>> John:
>> Where did you find the Rolling Resistance info for so many tires.
>> I haven't been able to find this info.
>>
>> Dick
>>
>>
>>
>>
>>
>> > Hi Everyone,
>>
>> > I have lurked her often and primarily contibute to the Prius Chat
>> > forums. But I have been doing research on replacing the OEM Goodyear
>> > Integrity tires & I wanted to share.
>>
>> > I currently have 26K miles on the OEM's and the dealer patched one of
>> > the tires without telling me. Unfortunately, they didn't tell me. So I
>> > started loosing air. I tried to keep up with that, however I had
>> > excessive wear on the outside of the tred pattern. I should have
>> > noticed that an annoying tick tick tick on my passenger side had
>> > dissappered.
>>
>> > I normally keep my tires at the TOP end of the PSI range to maximize
>> > my MPG. So I will vary between 40-45 PSI. (Yes! I know that is too
>> > hard) The ride is noticeably harder, I accept that for the MPG.
>>
>> > The Integrities have a Low Rolling Resistance factor of .00965. So
>> > that falls in the bottom third of the LRR scales that I have been
>> > referencing. My research yealds that there are a number of options for
>> > our car's tires (2005 Package 9 Tideland) that yeald substantially
>> > better performance than the OEM.
>>
>> > My priorities for tires are Estimated Mileage, LRR factor and Price
>> > (in that order). The good news is that I found a replacement tire that
>> > is quieter, with a higher estimated mileage, lower LRR factor, and
>> > costs less than OEM's. I live in Southern California and foudn the
>> > best price at Discount Tire.
>>
>> > Please consider the Contintal Pro Contact. It's LRR is .00825, it is
>> > estimated to last 60K (vs OEM 50K) and I paid $56. per tire (OEM's are
>> > $59)
>>
>> > After I got over my self flaggilation for allowing so much wear on one
>> > of my tires, I have leqarned that there is a LOT of information out
>> > here on tires. I am substantially un-impressed with the tire wear and
>> > the LRR factor of the OEM tires. I am hopeing to report substantial
>> > improvment in my mileage in the very near future.
>>
>> > If any of you have any more information to add, or recommendations on
>> > replacement tires, I would appreciate yoru feedback.
>>
>> > -John- Hide quoted text -
>>
>> - Show quoted text -
>
>
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