DAYTONA BEACH, Fla. (AP) — NASCAR has informed teams it will hold an open test at Charlotte Motor Speedway in March as part of a transition from a wing to a rear spoiler.
NASCAR had been speaking to teams on an individual basis about the potential of putting a spoiler back onto the cars, but nothing had been formally announced before the Friday memo that was sent to crew chiefs from Sprint Cup Series John Darby.
The memo says the test will be March 23 and 24, and NASCAR will hold an informational meeting that month to explain the modification.
No date for the switch has been decided, Darby says in the memo.
The season opens Feb. 14 with the Daytona 500.