07-24-2011, 05:55 AM
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#1
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Registered User
Join Date: May 2011
Location: Miami florida
Posts: 1,591
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Rotating tires
I have Bridgestone Potenza S-O2A tires with about 5k miles on them and the insides of the rears are starting to wear, which I understand is normal because of the negative camber in the rear.
Is there any downside to taking the tires off the rims and switching them left to right?
__________________
Current car
2000 Boxster 2.7l red/black
Previous cars
1973 Opel Manta
1969(?) Fiat 850 Convertible
1979 Lancia Beta Coupe
1981 Alfa Romeo GTV 6
1985 Alfa Romeo Graduate
1985 Porsche 944
1989 Porsche 944
1981 Triumph TR7
1989 (?) Alfa Romeo Milano
1993 Saab 9000
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07-24-2011, 06:09 AM
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#2
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Registered User
Join Date: Jul 2009
Location: Arlington Heights, IL
Posts: 1,561
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Some owners get 8,000 miles on the rears, while others get 20,000 miles. Are you sure your alignment is good? Tire pressures accurate?
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07-24-2011, 06:17 AM
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#3
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Registered User
Join Date: May 2009
Location: Frederick, MD
Posts: 1,396
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Quote:
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Originally Posted by san rensho
Is there any downside to taking the tires off the rims and switching them left to right?
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yes - they are directional so they would be rotating the wrong way if left on the rim. remounting them would leave the treadwear on the outside of the tire so i would think they would provide less grip when cornering and more prone to breaking loose...
as an aside, i got around 15k miles on my s02-a. but they were very squirrally in the wet (moreso than normal) towards the end. but i still loved them.
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"Speed has never killed anyone, suddenly becoming stationary... that's what gets you."
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07-24-2011, 07:19 AM
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#4
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Porscheectomy
Join Date: Mar 2006
Location: Seattle Area
Posts: 3,011
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Quote:
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Originally Posted by san rensho
I have Bridgestone Potenza S-O2A tires with about 5k miles on them and the insides of the rears are starting to wear, which I understand is normal because of the negative camber in the rear.
Is there any downside to taking the tires off the rims and switching them left to right?
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What you are suggesting will work fine. It keeps the tires rotating in the correct direction and extend the life of yoour tires.
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07-24-2011, 07:28 AM
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#5
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Certified Boxster Addict
Join Date: Nov 2010
Location: Los Angeles
Posts: 7,669
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You are correct that the insides of the tires will wear more due to the negative camber.
Yes, its fine to swap the tires from wheel to wheel (by dismounting and remounting) in order to "rotate" them to try to get more even wear. No downside except the effort/cost of dismount/remount.
Most street drivers just replace the tires rather than go through the trouble of swapping the tires side-to-side but the track guys do this all of the time.
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1999 996 C2 - sold - bought back - sold for more
1997 Spec Boxster BSR #254
1979 911 SC
POC Licensed DE/TT Instructor
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07-24-2011, 07:44 AM
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#6
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Registered User
Join Date: May 2011
Location: Miami florida
Posts: 1,591
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Thanks Blue and Thestone. Just what I wanted to hear. Previous owner spent like $1300 for the tires (probably overpaid) and with only 5k miles on them, I want to milk them for as long as I can.
__________________
Current car
2000 Boxster 2.7l red/black
Previous cars
1973 Opel Manta
1969(?) Fiat 850 Convertible
1979 Lancia Beta Coupe
1981 Alfa Romeo GTV 6
1985 Alfa Romeo Graduate
1985 Porsche 944
1989 Porsche 944
1981 Triumph TR7
1989 (?) Alfa Romeo Milano
1993 Saab 9000
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07-24-2011, 08:53 AM
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#7
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Registered User
Join Date: Aug 2005
Location: Sanford NC
Posts: 2,593
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Porsche alignment specs
give wide latitude to the mechanic. He can set your car up for max grip or even wear and still be in spec. Had both...made a world of difference when I had a guy who knew how to set up Porsches for racing and thus who understand the handling/wear influence of being at one side or the other of the limits set my car up. More than doubled my miles/tire. A set of rears half worn and even at 15k. Never found any downside in normal driving either.
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07-25-2011, 01:18 AM
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#8
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Registered User
Join Date: Dec 2010
Location: North Carolina
Posts: 3
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Mike, May I ask where you got this done? I live down in Southern Pines and I'm having a hard time finding a tire shop that I feel comfortable dealing with.
Thanks,
MikeT
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07-27-2011, 09:45 AM
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#9
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Registered User
Join Date: Feb 2011
Location: Algonquin, Misarikwack
Posts: 710
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Quote:
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Originally Posted by blue2000s
What you are suggesting will work fine. It keeps the tires rotating in the correct direction and extend the life of yoour tires.
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LOL this forum is brilliant! RE rear tire swap, I was myself convinced that this couldn't be done (directional issues etc). Brain sometimes haha
nice one thx
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07-27-2011, 09:57 AM
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#10
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Registered User
Join Date: Apr 2008
Location: Southern New jersey
Posts: 1,054
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Yeah, if they're directional you can swap, if asymetric, then no.
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