Posted by Russ on Tuesday, May 07, 2002 at 10:32AM :
In Reply to: Re: Fuel tank repair help? posted by mrmc on Tuesday, May 07, 2002 at 10:26AM :
Throw about a pound of dry ice into the tank and let it purge out any air before welding. Be sure to keep adding dry ice as it evaporates during welding. This is an inexpensive way to keep an inert atmosphere in the tank.