sentences:  The names of Lynn Paxton, Bobby Davis Jr., Keith Kauffman and Bobby Allen among others, were leveling the playing field.The 1980s also brought on the classification of sprint car racing by engine size.Unfortunately, it also spelled the end of the 'big block' Sprint cars which, with a nod from Gambler frames, were king at The Grove until Ted Johnson threatened a boycott of Williams Grove if his Outlaws had to compete with the 520 ci aluminium engines used by the PA Posse's top teams.