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Old 03-14-2018, 11:31 AM
Aaron Ambrosino Aaron Ambrosino is offline
 
Join Date: Jan 2018
Location: Clifton Park, NY
Posts: 10
Aaron Ambrosino
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Quote:
Originally Posted by Vicegrip View Post
And this is my point. Perception of risk driving recommendation rather than actual calculations. All the years of DE involvement, armed with no known evidence of a plug related carcass failure, the recommendation is still “replace” with the nod to “think of those around you too”. Often times and far more so with the heavy high HP cars damage or wear is not visible and best calculated out via usage profiles. Things we see or "feel" tend to be given far greater weight than risks we should be tracking but don't.

Way too easy to say “$100 head get a $100 helmet” or “best change it” while it is harder to find the root of and manage the real risks.
One issue with plugging or patching a tire is the quality of work done on the repair. The RMA has issued a Puncture Repair Procure for properly repairing tires.
http://www.rma.org/wp-content/upload...lchart1111.pdf

According to Michelin for a tire to maintain its warranty and speed rating it needs to be repaired by an authorized dealer to the RMA standards.
"For a repair to be considered acceptable the puncture must be smaller than 1/4 inch in diameter and repaired with the combination of a patch and a plug. The puncture must be far enough away from the sidewall and shoulder area to place a patch inside the tire without coming in contact with the sidewall and shoulder area. There is a maximum of 3 repairs per tire or 1 repair permitted for a run flat tire. Each repair location must be a minimum of 90 degrees apart. If these steps can't be followed then the repair is not acceptable and the tire must be removed from service. A speed rated tire will retain its speed rating as long as the tire is repaired to RMA standards."

For some brand of tires the speed rating may be reduced due to the repair.
https://www.tirerack.com/tires/tiret...jsp?techid=225

Lastly we do not know what damage could have been done to the tire if it was driven on below the recommend tire pressure due to the puncture.
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