Lee Saunders and Napieralski win TA3 subgroups as 69 cars start race.
Lawrence and Andretti vie for TA2 positioning, Francis and Betts look to increase leads.
Tommy Kendall podiums, Naiperalski and Greene take TA3 wins.
Series joins NASCAR Nationwide, Pirelli World Challenge on June 21
100th start for veteran race car driver comes at his home track, which he co-owns
The Trans Am Series to resume the 2014 Trans Am Championship with the 100 Miles of Luna-C at Road Atlanta on May 10, in association with Formula Drift and the Drift Atlanta weekend.
Martin and Camus take TA3, as 51 cars participate in Trans Am races.
Dean Martin and Russ Snow win TA3 groups in first Trans Am appearances.