cbaclawski
cbaclawski New Reader
4/6/19 10:40 p.m.

 

So i noticed today I have what appears to be a screw/bolt stuck through the tread on my driver front tire(middle of the tread - not even close to the sidewall).  It's holding air, so I haven't done anything to it yet.  This car would see some track duty, and I'm looking for opinions on whether I should just plug the hole and track away, or replace the tire.  

The set is essentially brand new and I could probably find a new tire that would match the other 3...

Knurled.
Knurled. MegaDork
4/6/19 10:58 p.m.

Technically, no.  A repaired tire has lost its speed rating.

dean1484
dean1484 MegaDork
4/7/19 12:32 a.m.

technically no but I will admit to having done it more than a couple times. Never had an issue. I shaved the plug as far down as I could with a razor blade so it would not easily get pulled out.

ddavidv
ddavidv PowerDork
4/7/19 6:02 a.m.

Inside patch would probably be better.

vwcorvette
vwcorvette SuperDork
4/7/19 7:23 a.m.

Patch plug installed from inside. Only safe way. But, you lose speed rating as was said. And YMMV.

cbaclawski
cbaclawski New Reader
4/7/19 7:54 a.m.

Thanks guys, I'll probably just order a new tire...   like i said the set is pretty new and it should blend right in.

(I was hoping for a consensus "Yeah, no problem")

Curt

sergio
sergio Reader
4/7/19 8:51 a.m.

How many other tires are on the track with you that have a plug in it? I bet more than one. Does that make safe? No. But the chances of a speed rated performance tire coming apart is rare. If it’s a cheap Chinese tire I wouldn’t trust it.

The right thing to do is replace or just leave it for street duty. And how many cars are out there on the street with plugged tires? With drivers on the phone, with 3 different brand tires, at different air pressures and zero driving skills.

At least on the track they aren’t on the phone...

Tyler H
Tyler H UberDork
4/7/19 9:11 a.m.

I think a professionally applied patch is fine and would run it without a second thought, unless you're driving something that is really pushing the envelope of a street tire.

rslifkin
rslifkin UltraDork
4/7/19 9:32 a.m.
Knurled. said:

Technically, no.  A repaired tire has lost its speed rating.

Not always.  Gotta check the manufacturer guidelines for the tires in question.  Some say any repair means no speed rating, some say that repairs done a certain way (usually plug and patch) and within a given area of the tire don't violate the speed rating unless there's more than 1 or 2 repairs done. 

For example, Toyo says that a proper repair leaves an H rated or higher tire with an H rating after repair (so a V rating becomes an H for example).  Slower than H rated retains the original rating. 

iceracer
iceracer UltimaDork
4/7/19 1:08 p.m.

And H is what ?   130  mph

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