Adding more oil will make it smoke more but you will lose power. Wildcat is good fuel, and Jerry is proud that his product is low smoke, certainly it is beneficial to have low smoke in some circumstances. However for best smoke output run Coolpower 30% Heli fuel. This has 22% low viscosity oil and smokes like nothing else on Earth. The big Saitos (the 150 and 180) smoke well anyway, but on the 30% it is incredible.

Chris