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air tank idea...

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Old May 13, 2008 | 08:42 AM
  #1  
atomicmecha's Avatar
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Question air tank idea...

Ok, I got this crazy idea, to turn the stock muffler into an air tank. I’m going to be swapping out the whole system and will be mounting the new muffler half way down the body; near where the evap canister is/was (it'll be moved via wood's relocation kit). But I’m thinking... how hard would it be to cut the muffler open, hollow it out, and re-weld it shut to be air tight. And put some air fittings on it? It’d be rather convenient, a good size tank, already setup to hang there, and the muffler skid plate add on would protect it.


Anyone else done this or thought about it?
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Old May 13, 2008 | 08:45 AM
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novel concept, but I'm guessing the wall thickness is on the thin side for a pressure vessle.
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Old May 13, 2008 | 08:45 AM
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I dont think the metal is strong enough to hold that much PSI.

Just buy a 2.5 gallon air tank, and install it where the Muffler was
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Old May 13, 2008 | 08:47 AM
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X2 on the thin walls, you will be holding about 125 Psi or Pounds per Square Inch
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Old May 13, 2008 | 08:50 AM
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Originally Posted by Piginajeep
I dont think the metal is strong enough to hold that much PSI.

Just buy a 2.5 gallon air tank, and install it where the Muffler was
X2, this what I was looking into. The Viair 2.5 gal. tank would fit there.
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Old May 13, 2008 | 08:51 AM
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Good idea alex, but like the others said I dont think the walls would hold the psi. I have a viair 2.5 gal air tank mounted where the stock muffler was. It tucked up nicely, although I think I might add the River Raider skid to it eventually.
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Old May 13, 2008 | 08:54 AM
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Have to go with others here. The location is great for a tank but the muffler wouldn't be the best candidate.
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Old May 13, 2008 | 08:54 AM
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If the pricing isn't a turn off maybe you could fit 2 "hotdog" tanks behind a gas tank skid. I do like the concept of protecting what's back there with a skid. I have an old air brake system that my father converted to a stationary air compressor for me when I was in high school. I've been considering hanging that long tank where the exhaust is typically relocated. The tank is probably 4 ft. long. I'd love to see what you work out.
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Old May 13, 2008 | 08:57 AM
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Yeah - they are not meant to hold that kind of pressure, or bungs for all the connections, etc...as they are layered in construction, etc.

There are several makers of hot dog and pancake tanks of various sizes.....and, you can combine them in series, etc...to come up with a good reserve capacity (Filling one 33" tire can use about 4 gallons of 150 psi air, all by itself....just to air it up to 30 psi or so.)



Another idea is to use the sliders as tanks, in addition to or instead of the above, the box and tubing cavities hold a surprising amount of air, and they are thick walled enough to hold pressure, and be bumged as needed, etc.
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Old May 13, 2008 | 10:29 AM
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ah, didnt think of the wall thickness. but thanks for the ideas. i think a 2.5 gallon tank back there would be best. i was just thinking maybe that stock muffler would be good for something.
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