Brunnhoelzl led the final 67 laps after passing points leader Andy Seuss, and survived a green-white-checkered finish for his first win of the season. Twice in the previous three races this year, Brunnhoelzl finished second to Seuss.
It also extended Brunnhoelzl's tour record for career wins to 21.
Seuss came home second and David Calabrese was a career-best third. Luke Fleming and Ryan Preece rounded out the top five.
Seuss took the lead on lap 62 from Preece, who won the Coors Light Pole Award with a track record lap earlier in the day.
Burt Myers was sixth, followed by rookies Bobby Measmer, Jr. and Joe Ryan Osborne, Jason Myers and Gary Putnam. Measmer established a career-best finish while Osborne tied his previous personal mark.
Dawsonville, GA's Spencer Davis finished in 11th after starting the day in the 13th spot.
Brunnhoelzl led a race-high 69 laps. The victory ended the second-longest winless drought of his career at nine races, and drew him to within five points of championship the leader Seuss after four of 15 scheduled races.
"This was one of the tracks that we hadn't won at, so it's great to finally end up in victory lane here," Brunnhoelzl said. "We've struggled for a few years here. Last year we had a good car (finished second), this year we had a great car."
Brunnhoelzl and Seuss have now finished 1-2 in six of the last eight Whelen Southern Modified Tour races dating to last year, with Seuss in front the five instances before Saturday.
"George had an awesome car," Seuss said. "He got the lead early, wanted to set the pace, so those guys earned it. We were right there, we were real close. In the end I think it came down to track position
George Brunnhoelzl III celebrates after winning the NASCAR Whelen Southern Modified Tour Courtyard by Marriott/Pepsi 150 Saturday night at Langley Speedway. / Photo: Mark Rogers Jr./NASCAR
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