cycling wont give benefits. It'l just give you info about your batts.
anyway, after a charge discharge them at 35amps to 6v as a pack.. and then equalize them in your tray to 0.09v per/cell 5.4v as a pack. then leave them a day or two (longest storage would be 3-4days, this will lower the resistance of your packs and will accept more charge)
lastly, tray them again to 0.9v per/cell... and then CHARGE, 6.0amps .02v peak detect
I HOPE those 3800ib's will still accept 3800mah of charge.