How could you possibly KNOW about those %???
Anyway, I agree with trevdog, and feel that you should not jump the gun, and stick to your 40-50mcg ed use. Instead, if you really want to test your ptency/legitimacy use 80mcg one day, about 2 hours before a workout in a meaty area, like a delt. Add almost 3/4cc of bacwater to your igf.
I think you'll feel the pump.
When I used the first time I felt nothing but the hunger, and that was not until week 3. Then the pumps and lower bf% came calling.