shanee86:: ... It keeps losing power like I can't keep it up high because after awhile it will fall from slow to fast power lose ...
... I have tried tuning leaning in and out both high and low niddle ...
Sounds too lean. Heli engines when rich will power slim out the exhaust. Even when tuned correctly will spew oil out.
Flying for a while then slowly loosing power is a symptom of overheating and overheating is a symptom a lean mix.
Heli engines run richer than airplane engines.