Originally Posted by G-Force Junkie
Thats a lot of miles to run on a plug. I would at least have a shop pull the tire and install an umbrella plug/patch and remount the tire. Shouldnt be more than $50 if you bring the wheel in off the bike.
What Rad said.........
You can always have the tire dismounted and patch it from the inside yourself. Done properly, it should last until the tread is gone.