Clint Bowyer faces uncertain future

...he'd lost the support of the paddock. Miles also said Walker felt responsible for issues that have plagued the introduction of aero kits in 2015, and for incidents that led to a late change in qualifying rules for the Indianapolis 500.

Lackluster race at Brickyard shows NASCAR rules still need work

...fumed all weekend that Gene Stefanyshyn, NASCAR's vice president of racing development and the architect for the Indianapolis aero package, was on a family vacation and not even at Indy. The reality is that his presence wouldn't have changed the outcome...

Coca-Cola 600 hinges on who takes advantage of 'aero-push'

...Charlotte's 1.5-mile quad-oval are "aero-push." That's when cars get trapped...tougher to steer."Let's clarify the aero-push," Harvick said. "Does anybody...truth."The car leading has the best aero situation and the rest don't. It's...

Chevrolet, Honda looking at oval packages at Indy after crashes

...manufacturers Chevrolet and Honda are taking a deep look into their oval aero kit packages following two spectacular crashes this week at Indianapolis...at a high rate of speed, nearly completed a full spin with no aero lift. It was only after the car hit the wall and lost body work...

Team Penske looks to snap IndyCar winless skid at Iowa Speedway

...in IndyCar, including series leader Juan Pablo Montoya.All of those drivers will also be powered by Chevrolet engines and aero kits, which have proven to have quite the advantage over their Honda counterparts this season."We've got to keep doing...

Goodyear unsure if popular tire package will be used in NASCAR'S Chase for the Sprint Cup

...have enough time to make the kind of tires needed to match the aero package. It hardly mattered to the drivers who raved about the...week at Chicagoland that gave drivers feedback on both tires and aero packages. Stucker said the tires used for the Chase opener at...

Carl Edwards leads way for Gibbs Racing in New Hampshire qualifying

...packages," Busch said. "It's not always cheap especially with four teams. We all certainly didn't budget for different aero packages in the beginning of the year and now we've got to rework our budgets in order to fit that in. It gets a little challenging...

IndyCar's Ryan Hunter-Reay hopes to return to form at Iowa track

...have struggled to consistently find packages that will allow them to push for wins."Our setups haven't jived with the new aero kit. So when we show up for a race weekend we have to turn everything upside down, basically," Hunter-Reay said. "It's...

New rules package is welcomed by drivers at Kentucky track

...Wednesday for two extra practice sessions. They won't return until Friday at 10:30 a.m.Everyone hopes the changes eliminate aero-push ? a condition where the lead car easily breaks away because it has the benefit of downforce on all four corners of the...

Richard Westbrook, Michael Valiante prevail in Six Hours of The Glen

...to June this year. With higher temperatures expected to make seam-filled Auto Club Speedway slick, IndyCar mandated a new aero kit package to add downforce and, hopefully, keep the cars on the track.Following the practice sessions, several drivers...