NASCAR implemented some new aero rules for short tracks for the second consecutive season, which focuses on a simpler diffuser and a 3-inch spoiler.In the two races in which it’s been used so far – Phoenix and Richmond – there has been no visible improvement in the racing in general and especially for*Busch and his No. 8 Richard Childress Racing team.“I didn’t think we could make it ...<a class='more' href='https://www.motorsport.com/nascar-cup/news/buschs-short-track-struggles-go-deeper-than-new-aero-package/10595922/?utm_source=RSS&utm_medium=referral&utm_campaign=R SS-NASCAR&utm_term=News&utm_content=www'>Keep reading</a>

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