Park. Later in the day he teamed with his son to win the day's race, the Coca-Cola 400, making them the first father-son duo to win an IMSA Camel GT race. It was the first IMSA GT race Paul Jr. had ever entered. Father and son paired up again to win the Road America Pabst 500. Paul Sr. finished second in the IMSA GT series. In 1980 he won the World Challenge for Endurance Drivers by just four points over British driver John Fitzpatrick. He competed mainly in his specially modified Porsche 935s prepared by his own team, JLP Racing, operating out of Lawrenceville, Georgia. In 1982, Paul Sr., teamed up with his son to win the 12 Hours of Sebring and, with third driver Rolf Stommelen, the 24 Hours of Daytona, running a race record () . Together, the Pauls won three races. As a solo driver, Junior won another four, all in JLP Racing-prepared Porsche or Lola-Chevrolet T600. 1982 would be Paul Sr.'s last year as a driver. Lack of a major sponsor, even with the team's success, meant expenses overcame his earnings. Criminal activity Drug possession The Pauls had their first legal troubles when on January 10, 1979, Paul Jr. and Christopher Schill were caught by customs agents loading equipment onto a pickup truck on the bank of a canal in the Louisiana bayous after dark. Following questioning, when one of them smelled marijuana on their clothing, Paul Sr. was apprehended on his 42-foot boat named Lady Royale, where customs discovered marijuana residue and $10,000 on board. A rented truck was discovered nearby, which contained 1,565 pounds (710 kg) of marijuana. In court, all three pleaded guilty to marijuana possession charges, where each was placed on three years' probation and fined $32,500. Disappearance of Chalice Paul Chalice Alford Barnett, then 32, wed professional race car driver John Paul Sr. on May 26, 1980, at Lime Rock Park in Salisbury, Connecticut. She went to Palm Beach, Florida at the end of 1980, leaving John behind in Roswell, Georgia, and the two split up within a year. She purportedly vanished in Key West, Florida, during the summer of 1981. Chalice Paul was cast to be in the Burt Reynolds film, Sharky's Machine being filmed in Atlanta in the summer of 1981. John paid her a visit in Atlanta and persuaded her to accompany him on a quick second honeymoon