Wow alot of great info here! I learned a few things just reding through this thread. I have always used 15% nitro in all my planes. They all seemed to run great on it and that includes 4c and 2c. My biggest reason for this is I am cheap and don't want a bunch of different types of fuel laying around the house.

Also Mody I would like to wish you good luck for getting your Visa here to the US. I think you will be blown away by all the new options you will have in this hobby here.