Original post by: Kevin Halderman ,
I agree, I would look at replacing the tank completely. Fuel is to precious to mess with. You could be a year trying to clear it out. My last tank I bought was 140gal and we paid $175. DO NOT toss the tank, the same salvage yard might give you $40-70 just for the neck and cap of tank. Then recycle the tank for $10-15.