Esso Oil original vintage advertisement. Humble developed the
new Uniflo 10W-40 motor oil for car you drive every day. An easy
starting motor oil for your car that's tough enough to take high-speed
temperatures. So it's great for any time of year, any climate,
any place! That's the word from Mario Andretti, one of racing's
toughest competitors. Available now... where you put a tiger
in your tank!