Re: Firewall welding
Gas cap on and spark arrestor in the tank, What are you worried about?
The firewall is not close to the actual tank. Unless there is a fuel leak you have nothing to worry about. Just drain the tank and weld it up.
Did you ever think how they fix cracks in the huge fuel tanks at the fuel farms??
The guy gets in the tank with a special hosed mask that does not allow air out of the mask. He welds up the hole from the inside. My brother was friends with an old time (he was old in the 1970's) welder and that was what he did for a living.
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