John Probst, NASCAR’s senior vice president of innovation and racing development, said NASCAR came to this week’s two-day test with two aero packages to test but the results from the first 10-lap drafting session made its decision an easy one.
The package utilized features 510 horsepower and a 7-inch spoiler and similar to what was run at a recent Goodyear tire test at the reconfigured Atlanta Motor Speedway.
“When we released the test plan to the teams coming here, we had Package A group run, reevaluate, Package B group run, and those were more or less place holders from our standpoint,” Probst said.
“We told everyone we were shooting for a 48(second)-flat (lap time) to a 48.50 for that main group at the front and if we hit that, we would step back a little bit. Once we hit those numbers, we sent the message to the teams that we’re done, the track is yours.”
Although exact timing and scoring data was not immediately available, speeds in the drafting session averaged…
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