Bubba Wallace is one of the many drivers curious to see how the partially repaved Iowa Speedway impacts Sunday’s Iowa Corn 350 Powered by Ethanol. Among the notable changes, the entrances and exits of turns two and four getting a fresh coat of asphalt. As a result, restarts should get pretty interesting especially if one happens later in the race. Speaking with Bob Pockrass of FOX Sports, Wallace quipped we could see a restart a la Denny Hamlin at Richmond earlier this season when he appeared to leave the restart zone early during overtime. “Obviously, there’s a detriment because the asphalt e…