Classic Cars. 1966: Racers love STP, made by Studebaker. 1966: Racers love STP, ... During the 1960s and 1970s, the STP logo could be found everywhere in American motorsports, ...

Darrell Wallace Jr. showed off a new look for the No. 43 STP Chevrolet Camaro as he gets set for his first full-time season with Richard Petty Motorsports.