Tire Patched- any effect on performance?

spearfish25 · 12-05-2009, 10:19 PM

How is water getting into the tread? If the nail goes in and there isn't a leak, then the seal (now including the nail) is water tight. If there IS a leak but the tire has not gone flat, any water would be expelled from the defect. The only way I could see water infiltrating is if the tire is allowed to go flat.

speedworks · 12-06-2009, 08:26 AM

Doesn't take much, you assume you have a perfect seal while the nail is in there, which will never be the case, with the pressure build up and how much the treads/belts shift during every rotation into the contact patch. Again it is usually never noticeable until it fails later on. Usually when you get a nail, there is a slow leak, even if it is very slow (not noticeable over days), there is some leak, hence an opportunity to get water in. It could just be condensation over night, from a warm/cold/warm condition. Now if you never drive through the rain or in any puddles, etc, and your weather is stable, then you have a better chance. It is like car insurance, you gamble with something happening - with tires, it isn't worth it to me, I drive this car like it should be driven, and a failed tire on an on/off ramp/back road, would be not be a good situation (over $200) - and I have seen this happen to tires many, many times.

12-05-2009, 10:19 PM	#1 (permalink)
spearfish25 A True Z Fanatic Join Date: Mar 2009 Location: Naples, FL Posts: 4,117 Drives: to work Rep Power: 1857	How is water getting into the tread? If the nail goes in and there isn't a leak, then the seal (now including the nail) is water tight. If there IS a leak but the tire has not gone flat, any water would be expelled from the defect. The only way I could see water infiltrating is if the tire is allowed to go flat. __________________ 2013 Cadillac V-Wagon, RIP Z

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12-06-2009, 08:26 AM	#2 (permalink)
speedworks Track Member Join Date: Jan 2009 Location: Boston, MA Posts: 550 Drives: PW purchased 01/09 Rep Power: 18	Doesn't take much, you assume you have a perfect seal while the nail is in there, which will never be the case, with the pressure build up and how much the treads/belts shift during every rotation into the contact patch. Again it is usually never noticeable until it fails later on. Usually when you get a nail, there is a slow leak, even if it is very slow (not noticeable over days), there is some leak, hence an opportunity to get water in. It could just be condensation over night, from a warm/cold/warm condition. Now if you never drive through the rain or in any puddles, etc, and your weather is stable, then you have a better chance. It is like car insurance, you gamble with something happening - with tires, it isn't worth it to me, I drive this car like it should be driven, and a failed tire on an on/off ramp/back road, would be not be a good situation (over $200) - and I have seen this happen to tires many, many times.