Open the client in Ollydbg
Right Click > Search for > All intermodular calls > type " sleep " and click Enter > Change the " 19's " in this picture to 10 by double clicking each one
> Right Click > Copy to excutable > All modifications > Copy All > close the new screen that pops up and when it asks if you want to save the changes click yes and save it with the same name as the .exe file for that private server and overwrite the one that already exists in the client and you are done