longevity of cruze eco tires - Page 4
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Thread: longevity of cruze eco tires

  1. #31
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    When It comes time I think I'm going with the altimax rt43 they are only 21.6 lbs. gotta make sure I have a spare then though. From what I hear the run flat are a bit stiffer ride. Kind of curious if running them at near sidewall max will make them near equivalent.

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  3. #32
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    The OEM Goodyears are not run flats.
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  4. #33
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    Quote Originally Posted by 14'ecocruze View Post
    When It comes time I think I'm going with the altimax rt43 they are only 21.6 lbs. gotta make sure I have a spare then though. From what I hear the run flat are a bit stiffer ride. Kind of curious if running them at near sidewall max will make them near equivalent.
    The problem with using tire pressure to compensate for soft sidewalls is that you reduce contact patch and therefore reach the heat barrier more quickly.

    I learned this lesson after arguing otherwise years ago on this forum.

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  6. #34
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    Quote Originally Posted by XtremeRevolution View Post
    The problem with using tire pressure to compensate for soft sidewalls is that you reduce contact patch and therefore reach the heat barrier more quickly.

    I learned this lesson after arguing otherwise years ago on this forum.

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    And what do you mean by heat barrier?
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  7. #35
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    Quote Originally Posted by EricSmit View Post
    And what do you mean by heat barrier?
    The reason you lose traction is because the surface of the tire gets hot enough that it begins to melt. Same principle when driving over ice; you melt a thin layer of the water on top of the ice and start sliding. The less contact patch you have and, the hotter the contact surface of the tire will get under pressure/force and friction. This basic principle is the reason we run wider tires for traction; it distributes the weight over a larger patch and therefore requires more force and friction to melt the boundary layer and break the tire loose.

    When I said heat barrier, I referred to the temperature at which the boundary layer of the tire melts and loses traction with the ground.
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  8. #36
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    Never heard of it referred to as a heat barrier is all. We're on the same page.

    The total traction story is a bit more complicated, but that's definitely a factor.
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  9. #37
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    Pretty sure I got fed a line of bull spit at the dealer about run flat 50 mile guarentee....Guess it's my fault for not checking lol. Anyways no repair kit in my car seeing as it was used. No pump apparently not important or too heavy. Story of my life lol

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    The ride is terrible at those pressures. I use to have them at 40 and dropped the tire pressure to 36. I love the ride now.

    I don't see my mileage going down either.

    Quote Originally Posted by BradHerr View Post
    I'm creeping up on 90,000 miles on my Goodyear LRRs. Trying to make it to 100,000 miles. Always try and run 50-60 psi warm pressures. Attachment 219634


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  11. #39
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    Quote Originally Posted by Hazlitt777 View Post
    The ride is terrible at those pressures. I use to have them at 40 and dropped the tire pressure to 36. I love the ride now.

    I don't see my mileage going down either.
    Depends on the tire.
    The milestars at 30PSI were flat.
    35PSI and they felt like the stockers at 25PSI.
    And at 45PSI they felt like the stockers at 30PSI and got lousy gas mileage.

    Really. Depends on the tires, road type etc...

  12. #40
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    Didn't have eco tires but had the 17'' continental stockers on my 2014 2lt and only got about 20,000 out of them. Rotated regularly with my 3 year service agreement and was on the wear bars. Just got continental pure contacts last week and so far really like them.

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