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Discussion Starter #1
This is just a general welder question. I'm just starting to strip down a 66 dart gt for a roll bar install. My question is what kind of welder do you guys reccomend for a basic hotrodder? All I'll be using it for is roll bar, subframe connectors, body panels, etc.
 

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I just installed a cage in my 68 dart, I tacked it in with a 110 amp lincoln mig welder. then I welded it solid with a 200 amp mig welder. The instuctions with my cage said use atleast a 130 amp mig welder.
 

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Discussion Starter #3
Where's a good place to buy a welder? Is it a bad idea to buy one used? Do they run on 110 or 220?
 

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My 110 runs on 110, and are 200 from work runs on 220. You could rent one also if it is only a one weekend thing.
 

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There is alot info on this subject around the site. I like Miller 175. It is a 220 welder.
 

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If you want to buy a new welder go to www.cyberweld.com. They can sell welding machines cheaper than I can get at local welding stores with my contractor discount. They carry the big names. I love my Miller 175 for Mig and 300XMT for everything else.

Tom
 

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Discussion Starter #8
Escuse my ignorance guys, but I saw this welder on craigs list

http://sacramento.craigslist.org/tls/127857988.html

Is this a good welder to buy? Can you weld subframe connectors or a roll bar with it? Where's a good place to buy a welder? Is it bad to buy a used one? I only need one for a project car; roll bar, subframe connectors, floor pans, wheel tubs, etc. What is the most economical way to do this? Where do you buy a gas tank and supplies? Any help would be awesome.
 

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Oh yeah, the roll bar. The rule of thumb is that a 100amp will weld .100 thick, 175 amp will weld .175 thick steel, etc. How thick is the roll bar tubing?

If the cage is alloy steel, it needs to be TIG welded. Not likely from your description, but I figured I would mention it.
 
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I bought a Lincoln 115 volt unit wire feed MIG with four taps for current. It does marvelous on anything thicker than .061 and up to .25 but when trying to weld to .061 sheet metal (body work) it sucks. The lowest tap setting is almost not enough current and the second tap is too much. So you're stuck either blowing holes in the metal or not getting enough penetration. If I had it to do over I'd buy a 220 machine with infantely adjustable current so I could adjust to thinner gage metals.

I have had some sucess by backing my thinner metal welds with a plate of copper which helps even out the heat and prevent blow throughs. I'm not a professional at welding but I'm learning the tricks. My welds are strong but not as pretty as some but betting better as time goes on.

Dan
 

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daneddy said:
I bought a Lincoln 115 volt unit wire feed MIG with four taps for current.  It does marvelous on anything thicker than .061 and up to .25 but when trying to weld to .061 sheet metal (body work) it sucks.  The lowest tap setting is almost not enough current and the second tap is too much.  So you're stuck either blowing holes in the metal or not getting enough penetration.  If I had it to do over I'd buy a 220 machine with infantely adjustable current so I could adjust to thinner gage metals.

I have had some sucess by backing my thinner metal welds with a plate of copper which helps even out the heat and prevent blow throughs.  I'm not a professional at welding but I'm learning the tricks.  My welds are strong but not as pretty as some but betting better as time goes on.

Dan
What size wire are you running? I have done tons of sheetmetal with a Lincoln 115v welder with the 4-taps.
 

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Discussion Starter #13
I ended up buying a 135 Pro-MIG. I know it is kind of small, but it was almost new and came with a speedglas auto darkening helmet, 96 CF full Cylinder, welding gloves, new gas powered mower, milwakee chopsaw, 2 porter cable routers, a 12 v corless drill, a creeper, 2 palm sanders, and 2 angle grinders. All of this was 300 dollars. I found them on craigs list about 1.5 hours from my house. The guy was going through a divorce and needed money asap. The welder as been working really well on filling the holes on the body panels from the trim. Just have to turn the wire speed up so it didn't blow through. Also use a bigger stick out (I think thats the term). And I've been using .030 w/ C25 gas.
 

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mopowers said:
I ended up buying a 135 Pro-MIG.  I know it is kind of small, but it was almost new and came with a speedglas auto darkening helmet, 96 CF full Cylinder, welding gloves, new gas powered mower, milwakee chopsaw, 2 porter cable routers, a 12 v corless drill, a creeper, 2 palm sanders, and 2 angle grinders.  All of this was 300 dollars.  I found them on craigs list about 1.5 hours from my house.  The guy was going through a divorce and needed money asap.  The welder as been working really well on filling the holes on the body panels from the trim.  Just have to turn the wire speed up so it didn't blow through.  Also use a bigger stick out (I think thats the term).  And I've been using .030 w/ C25 gas.   
Sheesh, sounds like you got a garage full of tools for 300 bucks, good deal. If you plan on doing a lot of sheet metal you may want to switch to the .025-.025 wire. It works well on sheetmetal.
 
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