Went down aldis today and got a new catalogue they have a gasless 100amp mig for $199 with 3 years warranty on the 3rd October

It takes 0.8,0.9 wire

I did a lot of gasless MIG welding back when I had a real job, it's great for outdoors or site welding. However it's nowhere near as good as mixed gas + solid wire when welding thin sheet metal, or over rust. Like, Minis....!
I'd save my money...

disclaimer- I own a s/h 30+ year old Kemppi MIG, it's still going fine and I can buy spares if needed.

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R.

Rossi 155 gas/gasless mig on ebay for $219. Good value.

I already have 2 sip gas/gasless migs was given both of them one just needs a new wire liner cause the wire gets chewed up half way down the tube