First, in "Speed Lovers," the son of a racetrack mechanic gets into the octane groove and sets out to make a name for himself on the Daytona speedway. David Marcus, Peggy O'Hara, and Fred Lorenzen as himself star; music is supplied by Billy Lee Riley of "Red Hot" fame. Then, a racer obsessed with his girlfriend's death at the hands of a rival driver tries to even the score in a big race. But when his plans go awry and land him in the hospital with horrible injuries, he decides to make peace with his rival. Set at Atlanta's Dixie 400, "Thunder in Dixie" stars Harry Milland, Judy Lewis; with Richard Petty. 155 min. total. Standard; Soundtrack: English Dolby Digital mono.