I have burned a little over a gallon of fuel ( Cool Power 30%) through this engine in the last couple of weeks, and I am really liking it so far. It has mush more power than the 50 size engine it replaced, and it has a really nice sound when running...much like the sound of a 90 size engine. 

Tuning it, has been a challenge and a real learning experience for me, since this is my very first engine with a multiple needle carburetor. Thank goodness I have lots of flying friends who can guide me while I get accustomed to tuning it.

I only had one minor incident ( MY fault 100%) with it during the second flight during break in. I was running it very rich, as per the manual, and about four minutes into the flight I decided to do a few rolls and flips. Well...that caused the glow plug to drown, and an inevitable flame out from forty feet up. No big deal, I just auto rotated, leaned a couple clicks, re-started and finished my flight.

Since then, I have started tuning for a little more power, and I am just amazed at how much stronger the 60SR, paired with the Hatori SAB-1 pipe, is than the 50s I was running before. I wish I had made the switch a lot sooner. I will keep posting regular updates as I fly this engine more and get to know it a little better. 

One thing that is really giving me trouble in getting used to, is the regulated carburetor. I keep forgetting to relieve the tank pressure BEFORE I remove the fuel dot to refuel. A few more nitro baths, and I should get the hang of it. :)