One of K&B's latest and most modern engines, not bad! Follow the beak-in directions in the link given above. Props to try: Master Airscrew S2 type 11X7, APC 11X6, 11X7, 9X8, 9X9.

The engine is mounted "side winder" style to put the carb with the fuel tank's center line to aid with fuel draw in High G turns. Make sure the distance from tank to needle is the shortest path, no right turns through a "T" or cheap filter. You will gain little if anything using more than 15% nitro on this engine. Is that a tuned pipe exhaust under there?