I recently got a craftsman 22 gallon, 5hp air compressor. The model number is 919.165221. It is rated for 130psi max, 8.6 at 40 psi, and 6.4 at 90 psi. I have tried a coleman powermate impact, and a cheaper craftsman impact and neither of them would take off lugnuts that were torqued at 110 lbs. I also have an older ingersoll rand impact that has alot of power, but something is wrong with the gun. I'm looking for advice on buying an impact that will work with this compressor. The compressor says it will run an impact. i even cranked up the line pressure from 90 to 120 psi. I know that ingersoll rand would probably work, since they are the nicest guns out there, but I'm just looking for some more advice on this subject. Thanks in advance.