Well, the 5lb. 2oz. eye of round roast went in the oven for 30 minutes at 500 degrees. After the two hour wait, the oven temp and the internal temp of the meat were both about 153.A little more done than I would have liked, but still very tasty and juicy. 5. Well, the 5lb. 2oz. eye of round roast went in the oven for 30 minutes at 500 degrees. After the two hour wait, the oven temp and the internal temp of the meat were both about 153. A little more done than I would have liked, but still very tasty and juicy.