CarTalk-What Do You Know About Oil

Join host James Piecowye and Glenn Power in this informative episode of the Powerworks podcast, as they dive deep into the world of engine oils and additives. The duo discusses the differences between synthetic and mineral oils, explaining how synthetic oils offer more uniform molecules for better performance. They also touch on oil grades, such as 5W-30 and 5W-40, and how these numbers indicate the oil's flow characteristics at different temperatures. James and Glenn talk about the evolution of engines, from the cast iron block days to modern engines with tight tolerances for improved efficiency and reduced emissions. They highlight how off-the-shelf oils are designed for specific applications and contain additives tailored to different engine types. The conversation also covers supplementary additives, like stop smoke and seal conditioners and the potential risks of using stop leak products. Don't miss these episode highlights: 1. The benefits of synthetic oils and their uniform molecules 2. Understanding oil grades and flow characteristics at different temperatures 3. The evolution of engines and the role of additives in modern engines 4. The pros and cons of using supplementary additives such as stop smoke and seal conditioners