 Cook made 39 starts in the Nextel Cup series from 1954 through 1970.Most of Cook's starts were in West Coast races during the time the races counted for both Nextel Cup and PCLM points, though he did compete in the inaugural World 600 at Charlotte Motor Speedway and in the 1964 Daytona 500 and Richmond 250.After this foray, his Nextel Cup series starts were limited to an annual start in the Motor Trend 500, then held each January at Riverside International Raceway.