Speed Demon (car)

Speed Demon is a land speed racing car built in 2010 by Ron Main for George Poteet.
In September 2010, George Poteet made a serious attempt to break the flying mile and flying kilometer record for piston-engined wheel-driven cars. Speed Demon is powered by a aluminum block 'Hellfire' V8, built by Kenny Duttweiler. Their effort was thwarted by a number of parts failures. The team stated their intention to return in 2011 to set a record over, and at the 2011 Bonneville Speed Week, Poteet achieved
The Speed Demon then made "the fastest piston engine pass ever", turning in a two-way average of.
In 2012, Speed Demon set an official record at.
Speed Demon was displayed at the 2018 Detroit Autorama.
Poteet intended to attempt the absolute record for wheel-driven cars, currently held by Don Vesco’s Turbinator, but died on July 16, 2024. Poteet was replaced by Chris Raschke, who drove the car until his death on August 3, 2025, in a crash during that year's Bonneville Speed Week.