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· FAQ is your Friend
CTS-V
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4,010 Posts
My information is the following:

-Yes, if it is NOTt too close to the sholuder of the tire (I indirectly found this out... When I was getting new tires put on, they took one off and found a nail (it had not lost pressure yet. It was close to the shoulder and was RUBBING on the sidewall due to angle.. runflat or not that might not have been pretty)
-They cannot be patched twice (or they can, but its not safe)
-For every patch (in ANY tire) you take the speed rating DOWN one step (not that that is an issue on or 168 top speed limited car - unless you have a blower and a StealthV tune)

Reed
 

· Registered
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131 Posts
I got so many conflicting answers that I called GoodYear to talk to one of there technical guys. I was told that as long as it was plugged and pathced, that it would be fine for even hard use and operation over 100MPH. With just a plug, that it could break the seal around the plug with hard use. This of course assumes that the nail is 3/4" or more away from the shoulder of the tire.
 

· Registered
EX OWNER OF 2005 Platinum CTS-V
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63 Posts
I had a three inch nail in mine and I was told that they could not plug it since it was a run flat but instead they can patch it. So they did and tire so far has been fine, I have gone well over 100mph. But that would be of your choice and chance when a tire is patched.
 

· Alexandria, Va
Work on them all...
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1,215 Posts
Blacksport350 is correct about the procedure for repairing... We actually use that procedure for repairing all tires not just runflats...

Leeman, did you know that the runflats have a road hazard warranty? It's hard to say what your tread depth is with 3,000 miles since it varies so much from car to car... But I think it would be worth checking into...

James
 

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126 Posts
According to Goodyear (local techs), one patch is acceptable. FYI: my V had a flat on the way to Sebring last year. I had a patch placed the morning of the race and 2 hours later was hitting hard laps at 130 MPH. No problem.
 
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