In 2011 Thunder Hill Speedway has scheduled 11 race nights for Open Class Quads! Top 3 Finishers will receive trophies and Championship points will also be scored. At the end of the 2011 season, we will crown the Quad class Point Champions at Thunder Hill Speedway with a Thunder Hill Speedway Championship jacket and trophy! Quads will also be included in our 2011 WI Dirt Track State Championship races in Sep. where we will name our 2011 WI State Champion on a Quad! Make plans to be part of all the action in 2011!

2011 Open Class Quad Rules:

All Quads must have working tether!

Must have nerf bars

Must have visible numbers on front bumper and right side of machine so you can be scored

All riders must wear long sleeves, pants, over the ankle boots, upper body protection, Snell 2001 approved helmet, padded neck collar or neck restraint, goggles and gloves

50" Maximum width

Any cc

Flat Track Tires Mandatory on rear (Hoosier, Am. Racer, etc....)

6" Maximum offset (centerline of machine to centerline of tires)

Must have complete exhaust including a muffler with packing

Modifying suspension and sway bars allowed

-Any questions regarding legality of quad please call Chad at 715-556-7622