https://www.tirerack.com/upgrade-garage/can-flat-tires-be-repaired
There is legal precedent of liability for non-temporary use of string patches. I could not find any statistics on failure rates.
I’m just beating a dead horse at this point.
I did test drive a 991.2 prior to buying a used...
A patch done from the inside of the tire is an acceptable repair as far as safety as long as speed is kept under 85 mph.
A tire plug done from the outside of the tire is an acceptable temporary roadside repair.
If not “close” to the sidewall it will last reasonably well in most cases. There...