I would say that's about as good as you'll ever see. My '85 (305, T350, 2.73 rear gear) got 12 on the highway, 12 in the city, 12 uphill, 12 downhill, 12 sitting in the driveway, 12. But it had 2 cylinders down on compression. I have a few friends that have seen as good as 14-15 with a healthier...