Running a 1/2 inch air gun, I can take off no more than two lug nuts and then I have to wait a while for the air pressure is up there around 100- 120 PSI. It's Slow.
Pros:Quiet, Price, Light Weight, Easy To Store
John Does Not Recommend This Product
That's really not surprising; it's the way the CFM math works out. A consumer-grade impact wrench takes between 4 to 5 CFM at 90 PSI to operate, and this compressor is rated for 4.2 CFM at 90 PSI; it was maxed out from the start.
When planning a compressor purchase, it's a good idea to figure the most CFM used by the largest tool you have- and then double it if you can afford it, but at the very least make sure there's extra CFM "head room" so you don't have to wait so long for the compressor to recharge, or wear it out prematurely.
We are sorry to hear the unit is not performing the way it should be. Please give us a call at 800-710-7499, we would like to assist in getting this unit back up and running so you are able to use the product.