Don Eckhardt, Fremont, was the primary force and sponsor behind many winning cars. In the mid 1960s Don sponsored (Don’s Oil Service) the #81 car driven by hall-of-famer Al Franks and Gug Keegan’s 3 ¼ car. In the early 1970s Don got into the race car ownership business, supplying the famous #4 driven by Franks and the 4J car driven by hall-of-famer Harold McGilton. In 1975 Jim Linder drove Don’s #3 machine with McGilton in the #4j along with the #75 car driven by Mark Craun. Don would later build a race team to follow the new World of Outlaws tour with Jim Linder behind the wheel of the #4E. Don’s cars won numerous Fremont Speedway championships and features along the way along with wins and championships at Millstream Speedway and Eldora Speedway. From 1993-96 Jim Eckhardt drove the 4E car with Don helping with motors from hall-of-famer Ed Smith and Paul Kistler. Don had several great mechanics working on his cars over the years include Sonny Conger, Donny Linton and Tom Leaser with Bobby Frey, Lester Franks, Pat and John Forgatsch, Tom Drusback, John and Jim Eckhardt, Steve Zilles and David Eckhardt also turning wrenches.