Indy 4-Wheel Jamboree this Friday, Saturday, and Sunday Get ready for the 30th Anniversary of the Indianapolis 4-Wheel Jamboree Nationals, starting this Friday, Sept.16th and running through Sunday. Young or old, big or small, this event is sure to impress as thousands flock in lifted trucks, Jeeps, SUVs, buggies, and monster trucks heading to the Indiana State Fairgrounds. Catch all the action of monster truck racing and freestyle, tough truck competition, mud drags, show-n-shine, vendor area, and the always popular Miss 4-Wheel Jamboree bikini contest. Zone Offroad will be out all weekend offering great show specials, come check out the