NASCAR goes with more common aero package for Next Gen

By Friday’s second day of testing with nearly 20 cars, NASCAR says it has for the most part settled on a package that includes 670 horsepower.
Teams were testing three different configurations on Friday – all using 670 horsepower. They included the use of a 6-inch offset spoiler, a 6-inch centered spoiler and a 4-inch centered spoiler.
Increase from 550HP to 670HP
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