RE: An exhaust valve burned in the car's combustion chamber // Se le quemó una válvula de escape a la cámara de combustión del carro [ENG-ESP]
Well friend, according to the guys at the grinding machine, they believe that the valve was burned by a mixture that was too rich or strong, so I think it was the low quality of the gasoline.
RE: An exhaust valve burned in the car's combustion chamber // Se le quemó una válvula de escape a la cámara de combustión del carro [ENG-ESP]