In the wake of the 2009 Corvette ZR1's record lap of the Nurburgring, some people are arguing whether the claims made manufacturers are legit. Matt Farah over at Garage419 has sources who claim the tires may have been shaved for more grip. But how much do Nurburgring lap times really matter? If you were choosing between a ZR1 and a GT-R, would you care about 'Ring times? These questions and more, as Matt and cross-continental racer Alex Roy debate the hot topics on Garage419. Video below the jump.