popping dents on a gas tank

loudhvx wrote: Compressed air holds a lot of energy, which can be released as a bomb if the seams let go at once. If you fill it with water first, then use compressed air, since water does not compress, it does not hold energy, and the little bit of air won't hold much energy, so it's a lot safer. The results will be the same. As long as you get the water out fast and hit it with an oil, it won't rust.

Tomolu5 wrote: Last winter,I was used compressed air to test my repair of my pool heaters heat exchanger. I had rubber expansion plugs(1.5") in the inlet/outlet ports, and was charging the manifold through a sensor port. I just put a little pressure in with a blow gun, and was using soapy water to see if it leaked. One of the plugs let loose at about 10-15psi and it shot all the way accross my 2 car garage, and broke a wooden panel on the door into my basement.

Also, use EXTREME caution if you fill with water, since there will be no room for expansion, a VERY small burp of air will generate alot of pressure. Think of the difference between filling a small tire vs. A large tire. +1 on the paintless dent repair thing, they are normally pretty good.

650ed wrote: BTW, the guy that told you to use air isn't in your will is he? :whistle: Ed

NapalmZ wrote: well, im glad i haven't pressurized anything but the tires.

the more i look the more it looks like im going to need a body shop. ill be calling for quotes on Monday.

let's see, 12 after beer o'clock. hmm.

well, dry ice, a computer cleaner held upside down, a heat gun, and some hot glue were used in my ventures to no avail. hot glue got one dent after 2 hours and 6 sticks. my next venture was to be a manual hydraulic rod extender... but i decided that 5+ gallons of hyd oil exploding at work into an oily fragmentation device would not be healthy for my employment. or me.

i didn't try to press the dents out from the inside after watching youtube vids. the paint damage i saw scared me off of that idea.

650ed wrote: BTW, the guy that told you to use air isn't in your will is he? :whistle: Ed

good point, ill be contacting my lawyer and get that fixed. damn you Matt, you just wanted my sweet as hell nerd computer and the 12 terabytes of... :blush: empty hard drive space :whistle: