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Today on NASCAR AMERICA, Pocono winner Dale Earnhardt Jr. talks with NBCSN’s Marty Snider about his sweep at the Tricky Triangle, working with crew chief Steve Letarte, and his love/hate relationship with road racing as the Sprint Cup Series prepares to visit Watkins Glen this weekend.

You can watch today’s episode at 5 p.m. ET on NBCSN or you can CLICK HERE to stream it online and on your mobile device through NBC Sports Live Extra.

Here’s what else you can expect:

Rick Allen, Kyle Petty and special guest analyst Parker Kligerman discuss what goes into a successful driver/crew chief relationship and look at Hendrick Motorsports’ impressive history of driver and crew chief pairings.
Kelli Stavast visits Chip Ganassi Racing headquarters to report on the mixed fortunes of drivers Kyle Larson and Jamie McMurray. Larson is in position to make the Chase on points in his rookie season, while his veteran teammate McMurray is 54 points out of the 16th-place cutoff held by Greg Biffle.
We’ll listen in on last weekend’s best radio conversations between drivers, crew chiefs, and spotters in the Pocono edition of “Scan All 43.”
With five regular season races left, the crew will break down which drivers have the edge at the remaining tracks and who could sneak into the Chase with a win.
Today marks the one-year anniversary of Tony Stewart’s horrific crash in a sprint car. We’ll take a look at how Stewart’s 2014 season and career has progressed since the accident.

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Again, CLICK HERE at 5 p.m. ET to watch NBCSN’s NASCAR AMERICA.

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INDIANAPOLIS – Roger Penske spoke with Dallara executives Monday morning about the loose tire that went flying over the Indianapolis Motor Speedway catchfence and into a Turn 2 parking lot.

The left-rear wheel from Kyle Kirkwood’s No. 27 Dallara-Honda was sheared off in a collision at speed as Kirkwood tried to avoid the skidding No. 6 Dallara-Chevrolet of Felix Rosenqvist on Lap 183 of the 107^th Indianapolis 500.

No one seriously was hurt in the incident (including Kirkwood, whose car went upside down and slid for several hundred feet), though an Indianapolis woman’s Chevy Cruze was struck by the tire. The Indy Star reported a fan was seen and released from the care center after sustaining minor injuries from flying debris in the crash.

During a photo shoot Monday morning with Indy 500 winner Josef Newgarden at the IMS Yard of Bricks, Penske met with Dallara founder and owner Gian Paolo Dallara and Dallara USA CEO Stefano dePonti. The Italian company has been the exclusive supplier of the current DW12 chassis to the NTT IndyCar series for 11 years.

“The good news is we didn’t have real trouble with that tire going out (of the track),” Penske, who bought Indianapolis Motor Speedway in 2020, told a few reporters shortly afterward. “I saw it hit. When it went out, I saw we were OK. I talked to the Dallara guys today. We’re going to look at that, but I guess the shear (force) from when (Rosenqvist’s) car was sitting, (Kirkwood’s car) went over and just that shear force tore that tether. Because we have tethers on there, and I’ve never seen a wheel come off.

“That to me was probably the scariest thing. We’ve got to fix that. We’ve got to fix that so that doesn’t happen again.”

Asked by NBC Sports if IndyCar would be able to address it before Sunday’s Detroit Grand Prix or before the next oval race at Iowa Speedway, Penske said, “The technical guys should look at it. I think the speed here, a couple of hundred (mph) when you hit it vs. 80 or 90 or whatever it might be, but that was a pinch point on the race.”

In a statement released Monday to WTHR and other media outlets, IndyCar said that it was “in possession of the tire in Sunday’s incident and found that the tether did not fail. This is an isolated incident, and the series is reviewing to make sure it does not happen again. IndyCar takes the safety of the drivers and fans very seriously. We are pleased and thankful that no one was hurt.”

IndyCar provided no further explanation for how the wheel was separated from the car without the tether failing.

IndyCar began mandating wheel suspension tethers using high-performance Zylon material after a flying tire killed three fans at Charlotte Motor Speedway during a May 1, 1999 race. Three fans also were struck and killed by a tire at Michigan International Speedway during a July 26, 1998 race.

The IndyCar tethers can withstand a force of more than 22,000 pounds, and the rear wheel tethers were strengthened before the 2023 season.