Earnhardt Jr. ran nine Busch Series races between 1996 and 1997 for Dale Earnhardt, Inc., and Ed Whitaker, respectively, before driving for his father's team in the Busch Series full-time in 1998, in which he started the season with an amazing blow over after contact with Dick Trickle and Buckshot Jones at Daytona, on the same weekend that his father had his first and only Daytona 500 win. Earnhardt won consecutive NASCAR Busch Series Championships in 1998 and 1999 barely edging Matt Kenseth. In 1998, he made his first start in the Winston Cup Series, at the exhibition race held at the Twin Ring Motegi in Japan. Also in 1999, he drove in five Winston Cup races in the No. 8 Budweiser-sponsored Chevrolet for DEI in preparation for a full-time Cup Series ride in 2000, with his best finish being a tenth-place finish at Richmond in the fall race.