as long as you have the same psi and airflow at the hose end that connects to your gun it really doesnt make a difference what is making that air. check your air psi isnt dropping as the volume runs out of the tank on the hf. obviously this would result in less airflow at the hose end.
yes, what i mean is that you may need to reduce air flow if its blowing out in the center. if psi and flow is the same it wont make any difference on the gun end. since you obviously have a difference then that isnt the case. what i am getting at is one is producing more airflow than the other. could be for many reasons. the hf isnt holding the psi, plumbing fittings on the compressor or tank arent the same I.D., etc.