I've used CO2 several times for welding on fuel tanks its relatively
cheap I wont tell you how I test to make sure the fumes are gone...
> I would not rely on the exhaust method to purge a gas tank. The exhaust
> method would not be enough insurance for me to solder or weld on a gas tank
> because there is still risk involved. There's no way to know that the fumes
> are below unsafe levels. I've witnessed what can happen when someone
> disregards "the fumes." Though it wasn't a gas tank, but a 55 gallon drum
> that took half his hand. Personally, I felt more sorry for the cutting torch
> that was broken than for the moron that lost half his hand. I would go as far
> as filling the gas tank with water if it were feasable. Only in desperation
> would I ever rely on the "exhaust method."
> 50 & 53 GMC 1/2 tons
> oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959
oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959