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.<br>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.<br>Increase from 550HP to 670HP<br>Originally in ...<a class='more' href='https://www.motorsport.com/nascar-cup/news/nascar-more-horsepower-next-gen/6887122/?utm_source=RSS&utm_medium=referral&utm_campaign=R SS-NASCAR&utm_term=News&utm_content=www'>Keep reading</a>

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