Government statistics show that winter weather can vary 53 degrees and more! That's why - to drive the ups and downs of winter temperatures safely - you need an oil that will give wide range protection. Be oil-wise! Change to Penzoil winter grades - 10W or 20W today! Penzoil gives you wide range protection; a quick easy start on the coldest mornings and safe, sure lubrication at high temperatures. R. J. Dorsey - Tires - Batteries - Accessories - Lubrication. Wades Corner, Oakland, R.I.