I have an older Cebora MIG welder set up for flux core. It doesn't have inches per minute graduations on the wire feed like the Miller I have set up for gas. Out of curiosity, I tried measuring the feed based on the graduations there are, 1-10. Near as I can tell this thing will push out 240 inches per minute at the #6 setting. I did a 5 second test off a stop watch and got about 20 inches, 20 x 12+240. Couldn't believe it so did a 10 second test and got about 40 inches, 40x6-240. At #2 I got about 40 IPM, #4 I got about 80 IPM. I didn't try over the #6! This seems incredibly fast feed for a 155A welder. It's always been real finicky on speed, but when I got it set right it worked good with gas. Now, with 2 machines, I thought I'd use this one for flux cored, hence the testing. Does the wire feed seem ridiculously fast? I'm comparing to the Miller 172 that maxes out at 100 IPM. I'm sort of a newby at the whole wire feed thing, only a couple years. Things like this drive me make me appreciate the simplicity of stick!