Welding up a new tank

I am making a fuel tank out of stainless as I plan on putting in a fuel pump for a holley sniper system(more to come on that, 383 stroked). If I can not get my hands on enough ss, I plan on using 16 gauge carbon steel which I have unlimited access to. I am a welder by trade so I am not worried about leaks, but curious about rust. My existing original fuel tank is out of the car and looks absolutely perfect on the inside, no rust at all but I keep reading about sealers in fab forums. My...

Welding up a new tank
Author: jake