Need suggestions for getting old gas out of tank

Well after you get done reading the “one liners”, remove the tank and drain the old gas into a container. Remove the gas tank sending unit and grab a flashlight and look into the tank and or just look at the sending unit to inspect for rust. Any rust on the sending unit and or in the gas tank... just save yourself a lot of grief and expect to buy a gas tank and sending unit, you will be happy you did. Next remove the hose from the gas line to the fuel pump, discard the rubber gas hose, take a white rag or paper towels and wrap it around the gas line and take compressed air and blow into the gas line where it once was connected to the gas tank. If you see rust in the towel there is a good then better chance you have rust in the gas line. I will encourage using an line filter to trap this rust before it enters the pump and carb. I have tried several methods, nuts and BB's in the tank with diesel fuel, tried gas tank sealant, doesn't work with some fuels at the pump, several inline filters, etc, etc...

Rust if any in the tank or line will break down into the very fine media, there is not a fuel filter that I am a know that will not plug up eventually, not unless you have a fuel pump with a sediment bowel attachment. Hope this helps.