Does high mileage oil stop oil leaks? Is it safe to use in your engine? Does it offer better or worse wear protection? Let’s find out by comparing Mobil 1’s full synthetic vs Mobil 1’s “high mileage” full synthetic and SuperTech's full synthetic vs SuperTech's “high mileage” full synthetic motor oil. I always purchase all of the products tested, and thank you for supporting the channel! ➡ Thank you for supporting the channel through memberships: null ➡ Thank you very much for supporting the channel through Patreon: https://www.patreon.com/projectfarm ➡ An easy way to find past videos along with products tested: http://bit.ly/2FCrBpk A big thanks to Jim for putting this together. ➡ Merch: https://project-farm.com/ ➡ Click here if you'd like to subscribe: https://www.youtube.com/channel/UC2rzsm1Qi6N1X-wuOg_p0Ng ➡ As an Amazon Associate I earn from qualifying purchases. ➡ Products Tested In This Video (in no particular order): Mobil 1 High Mileage (5 quart container): https://amzn.to/3i3TvxH Mobil 1 (6, 1-quart containers): https://amzn.to/3Vk91Em SuperTech Motor Oil: Available at Walmart A link to the oil analysis results: https://www.patreon.com/posts/75178820?pr=true Videography Equipment: Sony DSC-RX10 III Cyber-shot Digital Still Camera: https://amzn.to/2YdXvPw Canon 70D Camera: https://amzn.to/31b5Gy0 Azden Microphone: https://amzn.to/34d3DLE Go Pro Bundle: https://amzn.to/3Ca0ZVN This video is only for entertainment purposes. If you rely on the information portrayed in this video, you assume the responsibility for the results. Project Farm LLC