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HAMPTON, Ga. — NASCAR Sprint Cup Series teams hit the track with the new low downforce rules package for the first time this season Friday at Atlanta Motor Speedway.
But most say it will be months or more before the full impact of the changes will be seen on the track.
“There is still a lot to learn,” six-time series champion Jimmie Johnson said Friday at AMS.
Johnson (Hendrick Motorsports), Matt Kenseth (Joe Gibbs Racing), Kurt Busch (Stewart-Haas Racing) and Brad Keselowski (Team Penske) took part in a two-day tire test at Las Vegas Motor Speedway last month. It was one of only a handful of opportunities teams have gotten to shake down the new package, which includes a shorter spoiler and changes to the splitter and radiator pan.
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Johnson said the Las Vegas test “went really well.”
“That is our only true kind of measuring stick and how we think we will perform for the ’16 season with the new rules package,” he said. “But it’s going to be a constant evolution. The teams are going to continue to figure out how to create more downforce and more mechanical grip. It’s just kind of what we do every year.
“It’s just the way these engineers work and the evolution of race cars.”
Following Friday’s only practice for Sprint Cup teams, Roush Fenway Racing driver Greg Biffle said his No. 16 Ford “is definitely a lot freer, on top of the race track more” with the new package.
“It’s going to be tough to stay focused, to manage your car,” JGR driver Carl Edwards said. “You see guys out there really struggling — myself included. You hook the apron, (the) car whips sideways. I mean you’ve got to really stay on top of it. It’s like a big dirt race.”
Confirmation of Edwards’ assessment had come earlier — teammate Denny Hamlin, who won the season-opening Daytona 500, lost the handle on his No. 11 Toyota; which brought the practice to a momentary halt.
“I tend to use probably a little bit more of the apron,” Hamlin explained. “… I felt like I got on the apron a little bit too much and that just de-wedges the car a lot and that’s when it spun the car out. …
“You don’t like to practice down there a whole lot, but you race down there, so I was trying to get down there as soon as I could and just lost it.”
A high number of lead changes and more side-by-side racing may be in the cards for Sunday’s race (1 p.m. ET, FOX, PRN, SiriusXM NASCAR), but those characteristics are not unusual for Atlanta, where the series has been competing since 1960. There have been 28 lead changes in two of the last three races here — 2013 and 2015. There were 35 lead changes as recently as 2011.
“Atlanta puts on good races anyway with the way the surface is and having multiple grooves,” rookie Chase Elliott said. “Hopefully it takes a race that’s always been good and makes it a little better.”
Whether or not the package is a “game changer,” he said, remains to be seen.
“I don’t think the faces of who runs good is going to change,” Elliott said. “The same groups of guys and the same teams who have run well the past couple of years will continue to run well and continue to be the ones to beat. I do hope it opens doors for better racing and being around cars a little easier.”