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  #1  
Old 02-19-2011, 10:15 PM
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South Florida Lawns South Florida Lawns is offline
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Exhaust welding help

So I need to weld on a new muffler on my truck, its currently 4" straight pipe. Any advice for welding a muffler? I'm using a miller autoset 212. I have experience with welding just never exhaust pipe and being on my back welding. Maybe I'll just mess around with some extra pipe i got laying around for practice. I don't wanna clamp it and I'm too cheap to get it done at a shop
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  #2  
Old 02-20-2011, 12:07 AM
southgalawns southgalawns is offline
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i wouldn't lay under it, slag/sparks will fall on you and burn you. try to weld from the side. best bet is to do top tack and bottom tack, weld 2 inches up top, and 2 inches on bottom is other direction to keep it from warping. take some water to cool off, or wait a few mins. then finish it up.
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  #3  
Old 02-20-2011, 10:03 AM
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DoornbosOutdoorServices DoornbosOutdoorServices is offline
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Quote:
Originally Posted by southgalawns View Post
i wouldn't lay under it, slag/sparks will fall on you and burn you. try to weld from the side. best bet is to do top tack and bottom tack, weld 2 inches up top, and 2 inches on bottom is other direction to keep it from warping. take some water to cool off, or wait a few mins. then finish it up.
Ive been welding along time and this is probobly your bet for what you are trying to do.
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  #4  
Old 02-20-2011, 12:26 PM
grassman88 grassman88 is offline
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its just like normal welding ur just working with thin tube turn the heat down just enugh to not blow thru and use a wet rag to cool it down after every inch or so. tack it like said above so it dont pull and warp if you have a little welding experiance u should be fine
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  #5  
Old 02-20-2011, 01:06 PM
ParkWelding ParkWelding is offline
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Put earplugs in.
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  #6  
Old 02-20-2011, 01:17 PM
grassman88 grassman88 is offline
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Originally Posted by ParkWelding View Post
Put earplugs in.
hahaha yea deffinatly that hurts big time!!! even just grinder sparks hurt in the ear lol
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  #7  
Old 02-20-2011, 03:01 PM
ParkWelding ParkWelding is offline
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People don't believe me when I tell them how important earplugs are especially when you are welding in a weird spot. Sooner or later it'll happen........ouch.
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