Thanks in advance for reading. Have some heavily rusted bolts on my hubs, trying to do as much of a needed hub replacement as I can myself. Got a mixed bag of auto repair tools from someone a while back, among them a 1/2” air wrench and some assorted bits. I like to do my own repairs, and have run into this problem a couple of times so far. So thinking of buying an air compressor to run the air wrench.
Question is, though, a lot of random literature says I need about 6cfm to run them, but compressors that have that kind of output are at least $700. What happens if I use one with an output of 4 or 5cfm?