About this Vintage Print Ad
This advertisement promotes Gulfpride H.D. Select Motor Oil, emphasizing its ability to prevent the loss of engine horsepower as cars age. The ad explains that harmful deposits can build up in engines, reducing performance, but Gulfpride H.D. Select is specially formulated to avoid this 'shrinking horsepower.' The oil guards against power-robbing deposits and carbon that can cause engine knock and pre-ignition, helping maintain new-engine horsepower and performance for thousands of extra miles.
- Brand: Gulf
- Product: Gulfpride H.D. Select Motor Oil
- Tagline: Why Pay for 'Shrinking Horsepower'?
- Publication: The Saturday Evening Post
- Year: 1955
Objects in the advertisement: man, horse, sulky cart, motor oil can, car
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