It is a 540, not a 330. I am wanting to use the engines that I have for this plane. I doubt that I will be doing any 3-d with the plane any time soon. I am wanting a race car to putt around in I guess. My choices for engines are the Enya 60, Kraft 61, Ueda 55, Enya 35, Fox 40, OS Max 40, OS Max 35. These are engines that I have and I just wanted to do something with the Enya 60. The smaller engines don't really look right for the plane. Thanks for your advice.