Deadeye, pretty plane you have. I have my engine cowled with the carb in line with the tank. I fly about 1/4 to 1/3 turn out of peak. I've also had some leaning problems once in the past so I do run her a little rich. Now I have tried to run her richer without too much success. I make sure that a little fuel is coming out of the exhaust.

The last flight I had with this engine was when I leaned her out too much and she faltered as she turned away from the runway (after flying 3-4 minutes). After that landing, I've not used the engine since. Now when I fire it up, there is some clacking sounds, like metal to metal. This sound is less audible after it warms up but is still there. I'm wondering if the last flight I had I had leaned the engine so much I bent the rod or caused other internal damage. Any bad experiences like that!!!??!