GG of torque will be for everything in the computational domain, i'd also recommend looking at a surface goal but there are caveats to that as well, make sure to check the help and the KB about what surfaces need to be selected.
also remember that what you got using force and torque is highly dependent on mesh. so you may have to crank things up to get really good accurate results. and also consider vortices like the example in the tech references. you may have 2.1ftlb, but is that the fully converged solution or just one of the possible solutions.
in this situation I always recommend starting with something with a known result and working from that before you work on something that is unknown. i'm not 100% sure that your calc will match the integration that SolidWorks simulation will be doing to calculate the torque. do other parameters like pressure, velocity, forces...etc match up? if the flow doesn't look good then it is unlikely that your torques will.