b61fred Posted August 15, 2005 Share Posted August 15, 2005 I have a round alum. fuel tank that has been dragged on the ground. The tank is kinda flat on the bottom. It has a step in it so I want to try and keep it. I was thinking maybe put some air pressure in it and it would help make it round again. Any ideas??Fred Quote 15 gears...no waiting! Link to comment https://www.bigmacktrucks.com/topic/243-round-fuel-tank-repair/ Share on other sites More sharing options...
Lmackattack Posted August 15, 2005 Share Posted August 15, 2005 someone told me to wait untill winter, fill it with water and let it start to freeze. keep your eye on it and it will push back out??? never tried it as the risk of cracking it?? or you could cut the ends off and have new skins welded on Quote Link to comment https://www.bigmacktrucks.com/topic/243-round-fuel-tank-repair/#findComment-1019 Share on other sites More sharing options...
Doug Maney Posted August 15, 2005 Share Posted August 15, 2005 I suggest you don't use air pressure! I suggest water. use an old piston pump pressure washer, plug everything off and start pumping. the water gives you a more solid tank to work with and if for some reason the tank decides to blow you only have a gush of water rather than an explosion of air due to the high air compression necessary to move the dent. Work around the dent with a rubber hammer and it will pop out unless there is a sharp kinking on the edges of the dent. Good Luck, Doug Quote Interested in Old Trucks? Check out: www.antiquetruckclubofamerica.org Link to comment https://www.bigmacktrucks.com/topic/243-round-fuel-tank-repair/#findComment-1020 Share on other sites More sharing options...
b61fred Posted August 16, 2005 Author Share Posted August 16, 2005 so, water is the answer, I will give it a try. I was kinda scared of the amount of air pressure that would be reqired to move a dent that big. ThanksFred Quote 15 gears...no waiting! Link to comment https://www.bigmacktrucks.com/topic/243-round-fuel-tank-repair/#findComment-1024 Share on other sites More sharing options...
roadusercharges Posted August 16, 2005 Share Posted August 16, 2005 We used water pressure from the garden tap to pop out the front of a 10,000 litre roadtanker tank, that had been sucked in due to vacum when the breather pipe was blocked, its quite amazing how it all happens, air is too dangerous, Ive lifted manholes off tanks and blown them through the roof with air. nigel Quote Link to comment https://www.bigmacktrucks.com/topic/243-round-fuel-tank-repair/#findComment-1034 Share on other sites More sharing options...
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