Following a lengthy delay, first by lightning and then from heavy rain, NASCAR began Friday night’s Truck race at Martinsville (Va.) Speedway with a damp track and teams utilizing wet weather tires for the first time on an oval track.<br>The debut lasted 27 laps until the track had tried enough that NASCAR threw a caution and had teams switch over to normal tires.<br>Despite repeated delays the ...<a class='more' href='https://www.motorsport.com/nascar-truck/news/truck-nascar-more-aggressive-rain-tires/10456888/?utm_source=RSS&utm_medium=referral&utm_campaign=R SS-NASCAR&utm_term=News&utm_content=www'>Keep reading</a>

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