71mm), Small Twin (under 80mm), Large Twin (over 81mm) and Unlimited. With a cap set at 60 trucks, the sign-up sheet was full before noon, and the crews blasted through them quickly, allowing some extra time for the Unlimited class entries to make sure everything was just right before they spooled those triple turbos and armed the nitrous switches. Notables on the chassis dyno were Randy Reyes, a recent Ultimate Callout Challenge competitor who stole the show with a brutal 2,058hp run thanks to his triple turbos and a little nitrous. Starlite Diesel had its Duramax dually on the rollers and was just cresting 1,400 hp when the torque converter bolts sheared off mid-pull. Richard Scott’s 6.4L Power Stroke smashed