Rusty petrol tank

Originally posted by grant fincher
If you want to do any hot work on the tank, run an exhaust pipe into the tank withe the engine running for 20 minutes to half an hour. That will render it harmless for fumes and large explosions when welding.
Grant

Snap!

I was going to say exactly the same thing 8hrs ago, but got distracted. Hot exhaust gasses leach out all the hydrocarbons and carry them away.

R.