I've got a .25la, but not on a funfly.
I did have it on a small plane weighing about 3lbs 2 oz. though. It would hang on the prop for a very short time.
I think you'd need to stay at 2.5 lbs or less to pull out of a hover with any authority with either motor. I'd try a 9x4 or even a 10x3 prop.