Whats the difference in a mig tip and a flux tip. I looked at both and they seem the same. I have a mig welder but right now i using flux core because i can't get out to the welding shop to refill my bottle. can i use the tips interchangably?

 

As long as the wire diameter is the same, no difference.

 

ahhh, another question. Completley unrelated. What are spark plug non foulers?

 

Spark plug non foulers are just extensions that thread into the head and then the spark plugs thread into them. They provide a chamber for the air-fuel mix to (hopefully) get into without having the spark plug electrode "hangin' out in space" where it can get splattered by atomised oil droplets in a tired engine. With the plug farther from the head it will also tend to burn off the oil more as it runs hotter.
Do they work? That's the question. I've seen them used but I wouldn't recommend them. Try a hotter plug first.

 

thank you, ive been wondering what they were for for awhile.