In May 1977, following victory at the Winston 500, Ifft left the team and Parrott was promoted to full-time crew chief.
[2] Parrott was hired by Charlotte medical doctor Ron Benfield as crew chief for a team he had formed for 1981.
Maggiacomo was involved in Bobby Allison's career-ending accident and parted ways with the team shortly after.
In 1990 later, Parrott joined Derrike Cope of Bob Whitcomb Racing's team, and helped him win the 1990 Daytona 500.
In 1997, he joined Jeff Burton's crew, and helped him win the inaugural race at Texas Motor Speedway.
Later that season, Parrott was fined $20,000 by NASCAR for improperly mounted roof flaps prior to the Winston 500 at Talladega.