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Sheet Metal Coolant Overflow Tank

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Old 07-09-2014, 12:05 AM
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Sheet Metal Coolant Overflow Tank

Hey guys,

As my welding skills are coming along I thought a good project for my car was to fabricate and relocate a coolant overflow tank. Only thing I am concerned about is the material of the tank.
Can they be fabricated from steel or do they have to be aluminum? I would be worried about the steel corroding and contaminating the coolant.
Thanks
Old 07-09-2014, 01:50 AM
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Re: Sheet Metal Coolant Overflow Tank

aluminum, stainless, or plastic. i doubt youre setup for stainless or aluminum
Old 07-09-2014, 11:01 AM
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Re: Sheet Metal Coolant Overflow Tank

Originally Posted by RaverRacerX
aluminum, stainless, or plastic. i doubt youre setup for stainless or aluminum
Some mig welders are easy to set up for welding aluminum like my Lincoln 140.
Old 07-09-2014, 12:40 PM
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Re: Sheet Metal Coolant Overflow Tank

That's what I thought, I have zero aluminum or stainless welding experience or equipment do I guess I'll go the plastic route.
Old 07-18-2014, 08:29 PM
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Re: Sheet Metal Coolant Overflow Tank

Originally Posted by RaverRacerX
aluminum, stainless, or plastic.
Is there a particular reason water and glycol need a special material over a fuel tank?
I plan on making my own as well from steel and using a (motorcycle) gas tank sealer kit.
Old 07-18-2014, 11:22 PM
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Re: Sheet Metal Coolant Overflow Tank

My intercooler tank is aluminum. Uses coolant, so itll hold up

MIG welding a tank will always leave pinholes. Use JB weld or similar to coat the beads for a water tight build. If you want it air tight from the start, it needs to be TIGd
Old 07-23-2014, 09:08 PM
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Something like this needs to be tig welded aluminum .090 maybe .060. Are you just wanting a square/rectangle or something more oddly shaped?


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Old 07-24-2014, 01:02 AM
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Re: Sheet Metal Coolant Overflow Tank

Why not just go to Canton website by one for hundred bucks
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