dano said

Some tips I got from a friend who was a certified welder:

-Don't ever stand on the wire feed line (if you have feed issues you could have a bad or collapsed liner, they can be replaced) just replaced....and never stood on since
-keep the wire feed line as straight or as large of coil as you can yup
-buy a Tweeco gun if you don't have one believe it is a Tweeco, will check
-run the next size up tip than the wire curious as to why?
-use a cleaner pre-feed wheel (like the ear plug mentioned above) picked up some today
-make sure you have a really good ground replaced the cheapo one it came with....
-Practice this is what I need to do more of...

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67Dart273 said

Make sure polarity is correct. If I recall, flux core is often operated at opposite polarity from gas shield wire it is

Make sure the power connection nuts are tight they are

As above, make sure the gun / cable is "shook out" and unkinked. Often I have a "glitch" I just shake out the cable and "turn" it 1/2 turn or whatever and it feeds good

Make sure you have the right type feed rollers. I think I accidently got flux core rollers on mine once they are

I use whatever the tip dip stuff is and it seems to help mine was old & funky, picked up new tub today

On a side note, for the type welding I mostly do, straight CO2 serves me well and it's incredibly cheap.
can straight co2 be put into a "Mig Mix" bottle?

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