Most likely it's possible. Just checked on HPTuners web site forum (http://www.hptuners.com) and they seem to not support it yet, but it sounds like they will. There is likely a table in the VCM that can be adjusted with programming.
EFILive doesn't support Gen4 motors yet (e.g., the 07 truck motors) but I'm guessing they'll offer it as well.