I have not run one, but I have heard that the Fuji engines make good boat anchors, but not much else. The G62 is a great engine and they last forever, but it is too heavy and too much engine for this model. Go with a good 50. There are plenty of good used ones out there for reasonable prices. ZDZ, BME and Brison all make good light engines. I would recommend a DA, but you will never find one cheap. Keep the wieght down on that aircraft if you want good flying performance. A few ounces DO matter.