Home > Wheels & Tyres > Rear tire wear |
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doclees Member Since: 25 Jun 2015 Location: PA Posts: 672 |
Looks like my rear tires are wearing much faster than the front. Wear is even enough. About 20k miles on the set. Fronts have about 8/32 and the rears have about 4.5/32. Is this normal? I drive like I'm transporting nitroglycerin. |
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16th Feb 2017 5:44am |
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Haylands Member Since: 04 Mar 2014 Location: East Yorkshire Posts: 7908 |
Mine did that, rears wore twice as much as fronts, I reset the rear camber from it's minus 1 degree to plus 1 degree, it drove much better, turn in was greatly improved as the rear tyres actually contacted the tarmac, plus the next set of tyres wore evenly....
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16th Feb 2017 2:03pm |
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doclees Member Since: 25 Jun 2015 Location: PA Posts: 672 |
Thanks, I have a 3 yr alignment deal so will just have them reset it and rotate tires aka tyres. |
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16th Feb 2017 3:56pm |
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doclees Member Since: 25 Jun 2015 Location: PA Posts: 672 |
Update time: was thinking about the camber adjustment causing excess rear tire wear. Theoretically it should be uneven wear if that was the problem because camber tilts the top of the tire in or out causing a wear bias to one side of the tire. Taking careful depth measurements I found that not to be the case. So I rechecked the fronts at multiple points and found it was really about 5+/32. My mistake in use and reading my depth gauge. This leaves the problem to be that my Falken brand tires don't wear very well. |
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18th Feb 2017 5:26am |
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Haylands Member Since: 04 Mar 2014 Location: East Yorkshire Posts: 7908 |
If you run too much negative camber (and I maintain the standard setup is too much) then the tyres scrub the surface of the road every time the suspension moves up and down, they are travelling through too much of an arc, hence, wears the tyres fast....
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18th Feb 2017 5:37pm |
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doclees Member Since: 25 Jun 2015 Location: PA Posts: 672 |
Has reasonable logic to it but it seems to me the arc has a constant range determined by the suspension travel and terrain. So theoretically this would just change the center point of wear on the tire producing more wear either inside or outside of tire fore/aft centerline. Looking at your profile GIF I'd say your RR experiences far more suspension travel and arc than my FF. |
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19th Feb 2017 3:11am |
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doclees Member Since: 25 Jun 2015 Location: PA Posts: 672 |
OK I get the dumbass award maybe. Never noticed my tires, 3 of 4, were mud and snow rated without a tread life rating. This would explain the limited miles. It doesn't explain why the 4th being the same brand all season with a 440 tread wear rating was more worn. |
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15th Mar 2017 3:00am |
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