Yes, in 1983 driving for Junior Johnson.
DiGard
The last to drive the Mountain Dew car was Darrell Waltrip.
Darrell Waltrip ran his first NASCAR Cup race in 1972, the Winston 500 at Talladega. His last Cup race was in the 2000 NAPA 500 at Atlanta.
23.
Currently, Jeff Gordon's primary sponsor is AARP's "Drive To End Hunger". His secondary sponsors are DuPont and Pepsi.
There are 3 main companies that sponsor Jeff Gordon and they are DuPont, Pepsi, and United States National Guard. In 2011, Jeff Gordon had primary sponsorship from AARP and their "Drive To End Hunger" campaign for 22 races. DuPont and Pepsi filled the remaining 14 races. These sponsors will stay on for 2012.
Lexus
Darrell Sheets does indeed drive a Chevrolet Silverado
nth
No, he was not. Jeff Gordon has had DuPont as a primary sponsor since he began in 1992. Through the years some of his additional sponsors have been Pepsi, AARP Drive to End Hunger, Nicorette and the National Guard.
Mark Martin is under contract with Michael Waltrip Racing through the 2013 season, he will drive in 25 races. Martin announced in January 2013, that he doesn't expect to be in the #55 car for Waltrip in 2014.
Mark Martin currently drives the #55 Aaron's Toyota for Michael Waltrip Racing in the Nascar Cup Series.