A commonly asked we get is "When should I pour in Lucas Fuel Treatment when I am at the Gas Station?" You can pour the product in before or after filling tank, as you will see, it mixes immediately with gasoline . "Will the Lucas oil upper cylinder and Injector cleaner settle to the bottom of my gas tank?" No, Lucas Fuel Treament will mix with your fuel and immediately start working away, cleaning and lubricating your entire fuel system. We poured three (Lucas Fuel Treatment, Ethanol Safeguard a

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