Another Diesel Power Challenge has come and gone, with the trucks running quicker, faster, and making more power than they ever have before. Micheal Tomac tuned up his game and his truck, and once ...
The '07 Diesel Power Challenge was the toughest one yet. Drivers faced off on a hot summer day at Rocky Mountain Raceways in West Valley City, Utah, which is at an elevation of 4,215 feet above sea ...
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