https://amzn.to/43N4WNr - All-in-One OBDII Scanner The main distinctions between 10W-30 and 10W-40 motor oil will be elucidated in this video. Timecode: 00:00:00 - Short intro 00:00:25 - Difference Between 10W-30 and 10W-40 00:01:25 - 10W-30 Oil 00:01:44 - 10W-40 Oil 00:02:08 - Conclusion ****** Disclosure: As an Amazon Associate, I earn from qualifying purchases. This means that I may receive a commission if you click on an Amazon Affiliate link and make a purchase. This helps support my channel and allows me to continue to make videos like this. Thank you for your support!