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Amsoil Shock Therapy (also known simply as Shock Therapy) was a custom off-road monster truck owned by Sudden Impact Racing out of Jefferson, Louisiana. It was sponsored by Amsoil, which served as a major sponsor for the team. Since its debut in 2008, the truck has been driven by various drivers, most notably Jon Zimmer, who drove from the start until his departure after the first quarter of 2012. The truck has also made two Monster Jam World Finals appearances under Zimmer. It has no relation other than name to the Paul Shafer Motorsports truck.

History[]

Amsoil Shock Therapy was originally created in 2008 and debuted that season with Jon Zimmer behind the wheel. At the time of its debut, the truck originally used a custom 2004 Ford F-150 body style, but would eventually receive a new 2003 Chevrolet Silverado body style later in the season. Sean Duhon drives the truck in Joliet, Illinois.

In 2010, Zimmer and Shock Therapy would be invited to compete in Monster Jam World Finals XI. They would be eliminated in round 3 of racing by Dennis Anderson in Grave Digger, but would tie for last in freestyle with a score of 4. Zimmer and the truck would again be invited to compete in the World Finals the following year, where the truck debuted a new red and blue paint scheme for the occasion. They would suffer mechanical issues in racing, and finished fifteenth in freestyle. Zimmer continued to drive Shock Therapy until his departure from Sudden Impact Racing after the first quarter of the 2012 season. He would go on to briefly drive for Mountaineer Motorsports before joining FELD Motorsports.

Following Zimmer’s departure, Dave Radzierez and Jeremy Brady took over and shared the driving duties throughout the 2013 season. After Radzierez left the team the following year, Steven Hill would replace him, and eventually become the full-time driver for Shock Therapy beginning in 2015. The truck also received a new design that same year, featuring a custom of-froad body style. Roddy Fahnestock would also drive the truck.

After SIR went into hiatus beginning in 2016, Shock Therapy would be put into storage alongside all the other trucks of the team. The truck would, however, compete in a few shows throughout the 2016 season, and would also briefly compete in the Traxxas Monster Truck Tour throughout the 2017 season. Since then, Shock Therapy has been placed on indefinite hiatus.

World Finals appearances:[]

  • 2010 - Jon Zimmer
  • 2011 - Jon Zimmer

Trivia[]

Gallery[]

Merchandise[]

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