Possibly the only tucker to race is NASCAR

it's all written up, from Dan at Hemmings http://blog.hemmings.com/index.php/2008/12/24/seeing-really-is-believing-a-tucker-did-indeed-race-in-nascar-and-we-found-the-photo-to-prove-it/  helmed by Joe Merola of Braddock, Pennsylvania, at the 1950 Poor Man’s 500 at Canfield Speedway in Ohio.

http://blog.hemmings.com/index.php/2011/07/11/new-nascar-tucker-photo-surfaces/ for an update from July 2011