Maybe some of those OS 75AX's.....What's your thought on those. Seems like a good blend. I have an OS 70 Surpass II. I LOVE that little sucker....has well over 300 flights on it with NO dead sticks since it came out of the box. I wish I could find a pair of those. One of the best engines I have ever had in my life. But you can't go wrong with OS. I have heard the people that are having issues with the Evo mini gassers are not tuning them right. Trying to tune them like a glow engine and that just doesn't work. I dunno.