yes. by traying cells you will gain more voltage. that is why you see alot of people that just run stock dead short or try their batteries all the time to gain voltage since they dont have to worry about run time. i usually try and tray mine on integy 6s trays for at least 2 hours before a run. this is not as damaging as dead shorting but i can really feel a difference in punch.
i would try that and see what you get for volatge #s and run time. if you run stock i would suggest doing this if you want more voltage. aslo next time you cycle the pack after you try traying them. just discharge to .9v and see what you get again...