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3. Kyle Busch's tires
Busch blew two left rear tires early in the race, sending him several laps down. What happened?
No one seems to know. Goodyear said it was neither a puncture nor a manufacturing issue.
Goodyear's Greg Stucker had this to say with about 20 laps left in the race: "They were pretty much identical [issues]. We see nothing else like that up and down pit road. We have guys with twice as many laps on tires. ... It's not obvious to us that there was any sort of cut or anything else. It didn't look like a tire rub. It didn't have that appearance. It just looked like the tire was getting overworked. We just need to understand what could contribute to that."
Busch's crew chief Adam Stevens: "I can tell it wasn't setup and it wasn't air pressure, the two things I'm in control of. Beyond that, I don't know. We didn't change left sides in the clash or in the duel with the same setup and the same air pressure [as the 500]. And now we can't go 20 laps, but yet we didn't change anything after that and ran the rest of the race. So I don't have a darn clue what's going on. We had teammates that were multiple pounds lower on air [pressure] than us, and it was not even a concern at all. ... There were no rubs on the tire. None."
Goodyear will take the tires back to Akron to see if its engineers can tell them anything more.
http://www.espn.com/racing/nascar/s...in-dillon-kyle-busch-tires-yellow-line-debate
Busch blew two left rear tires early in the race, sending him several laps down. What happened?
No one seems to know. Goodyear said it was neither a puncture nor a manufacturing issue.
Goodyear's Greg Stucker had this to say with about 20 laps left in the race: "They were pretty much identical [issues]. We see nothing else like that up and down pit road. We have guys with twice as many laps on tires. ... It's not obvious to us that there was any sort of cut or anything else. It didn't look like a tire rub. It didn't have that appearance. It just looked like the tire was getting overworked. We just need to understand what could contribute to that."
Busch's crew chief Adam Stevens: "I can tell it wasn't setup and it wasn't air pressure, the two things I'm in control of. Beyond that, I don't know. We didn't change left sides in the clash or in the duel with the same setup and the same air pressure [as the 500]. And now we can't go 20 laps, but yet we didn't change anything after that and ran the rest of the race. So I don't have a darn clue what's going on. We had teammates that were multiple pounds lower on air [pressure] than us, and it was not even a concern at all. ... There were no rubs on the tire. None."
Goodyear will take the tires back to Akron to see if its engineers can tell them anything more.
http://www.espn.com/racing/nascar/s...in-dillon-kyle-busch-tires-yellow-line-debate