Will Synthetic Motor Oil Cause Engine Seal Leaks? Let's find out! HD

Conventional Shell Rotella T4 15W-40 compared to Full Synthetic T6 5W-40 for causing engine seal leaks in a 45 year-old Ford 5000 tractor. I bought the oil used in this video and do not have any sponsors. Thank you very much for supporting the channel by watching the commercials and through Patreon support. https://www.patreon.com/projectfarm Merch: https://teespring.com/nl/stores/project-farm 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