Inside Tire Wear
#1
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Join Date: Oct 2007
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Inside Tire Wear
2008 997S CAB, 13,000 miles - noticed tires, both front and rears, have worn out a fair amount faster on the inside part of the tire relative to outside. Rears are, as expected, almost worn out, fronts not far off. Colleague at work has same vehicle and same experience.
Alignment is good - anyone else have same issue or know of way to mitigate the issue?
Alignment is good - anyone else have same issue or know of way to mitigate the issue?
#2
Nordschleife Master
Normal with std alignment. Fronts inner wear should not be as pronounced as rears.
#3
Poseur
Rennlist Member
Rennlist Member
It means you're not driving aggressively enough. When you get more aggressive with a 911 you will cause more even wear across the entire tread. The negative camber on the suspension causes the insides to wear that way--it's the price paid for optimal handling. If you want a less capable (handling) car and better tire mileage adjustments can be made. Consult your alignment experts. This has been the 'way it is' for a very long time.
#4
Nordschleife Master
It means you're not driving aggressively enough. When you get more aggressive with a 911 you will cause more even wear across the entire tread. The negative camber on the suspension causes the insides to wear that way--it's the price paid for optimal handling. If you want a less capable (handling) car and better tire mileage adjustments can be made. Consult your alignment experts. This has been the 'way it is' for a very long time.
#6
Rennlist Member
Only odd thing I'd wonder about is why the rears aren't a lot more worn out than the fronts. If you're supposed to wear them evenly, then I'm not doing things right. :-(
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#8
Race Director
2008 997S CAB, 13,000 miles - noticed tires, both front and rears, have worn out a fair amount faster on the inside part of the tire relative to outside. Rears are, as expected, almost worn out, fronts not far off. Colleague at work has same vehicle and same experience.
Alignment is good - anyone else have same issue or know of way to mitigate the issue?
Alignment is good - anyone else have same issue or know of way to mitigate the issue?
Too much toe in the rear will kill the inside of the tires. It's not so much the camber but the toe that wears tires more.
#10
Three Wheelin'
It means you're not driving aggressively enough. When you get more aggressive with a 911 you will cause more even wear across the entire tread. The negative camber on the suspension causes the insides to wear that way--it's the price paid for optimal handling. If you want a less capable (handling) car and better tire mileage adjustments can be made. Consult your alignment experts. This has been the 'way it is' for a very long time.
#12
Race Director
2008 997S CAB, 13,000 miles - noticed tires, both front and rears, have worn out a fair amount faster on the inside part of the tire relative to outside. Rears are, as expected, almost worn out, fronts not far off. Colleague at work has same vehicle and same experience.
Alignment is good - anyone else have same issue or know of way to mitigate the issue?
Alignment is good - anyone else have same issue or know of way to mitigate the issue?
I've run the Boxster's rear tires as near max negative camber and the tire wear was still even.
On the Boxster -- Michelin tires -- I get nearly 20K miles from the rear tires and the Turbo -- Continental tires -- last rear set I managed to get 15K miles from them before the wear bars reached.
Tire wear across tread face very even.
Generally I replace the fronts every other set of rears. That is all 4 tires are new. Rears wear out. I replace the rear tires. Then the next time they require replacing I replace all 4 tires and if tire wear indicates it I have an alignment done. Most of the time the tire wear is even and I skip the alignment.
I had the Turbo aligned shortly after I got it but later had some work done at another dealer and the re-alignment poor. Unbeknownst to me. Tire life was very short. Under 10K miles. Had new rear tires fitted at another local dealer and an alignment done.
Managed to double the number of miles from the rear tires.
When you have the tires replaced have the car treated to a quality 4-wheel alignment. I don't trust any alignment shop but a dealer -- with one exception -- to align my Porsches. (I do have an indy algnment shop that I could use but while I've used it before and trust its work without question it is very inconvenient for me to use.)
Be sure the car's gas tank full and the car is empty of any junk (weight). Spare tire and tool kit (if the car came with one) should be present and in place.
Then get alignment done.
Sincerely,
Macster.