The Stovebolt Site Forums The Shop Area Engine Shop Tank is full of rusty gas,looking for the best way

Running an engine with old gas will ruin the carb and maybe the engine. you are right not to run it till tank is removed and cleaned. Many of us have run them from floorboard can or under hood can as you describe. Works fine, be careful. This is temp of course. OLD FILTER SOUNDS LIKE NO GOOD TO USE, gas may be a little color but NOT RED!!!!!.......... RED = GAS + RUST. "Varnish" as they call it (old, partially evaporated,chemically transformed gas), is the real killer. You may want to consider new lines and pump if it ran from that tank for any time.