The Original Speed Demon It was 2010 when Poteet made a serious run at breaking the flying mile in Speed Demon Chapter 1. Powered by a Kenny Duttweiler Hellfire V-8 engine, they had issues and ...

The record run happened on Wednesday August 9. Bonneville Speed Week was scheduled to run August 7-11. 0:00 / 0:00 See All 4 Photos ...

The second iteration of the Speed Demon made its biggest mark in 2020, when the 3155-hp rocket managed a 470-mph record run with thrust from a 557 cubic-inch twin-turbo V-8, and the third ...