To reiterate the advice on the rich setting - an ABN/ABC engine needs to be brought up to temperature quickly. The way I broke my TT Pro 46 in was to start it, run the throttle to max and then peak using the high speed needle. With the 10x6 you should see around 14000 RPM. Thats good. back it off about 300-500 rpm by richening the high speed needle a few clicks, let it run for about 30 seconds, then shut it down. Let it cool completely (15-20 minutes), then start it again. You shouldn't need to adjust the high speed needle at this point. Let it run for a tank. Now go fly.

I followed this procedure and my TT Pro 46 has been a VERY sweet running engine. After about 5 tanks, I had to make some minor adjustments to the low speed needle (2 years ago) and haven't had to touch it since. I found the best prop was an 11x5 (optimum for thrust and speed on a trainer type plane). I'm now moving the engine to my new GP CAP 232 .40.

Brad