Mornin' Tazzy .

That replacement is from another set that ran the same number of laps .
You've got to wonder , if they are letting him replace it , how worried they are about anyone else who flat spots a tire .
Full throttle for 23 seconds has them edgy about standing waves , apparently , which , I guess , was the big issue way back when Michelin couldn't run the Indy track .
2km of straight might just be too much .