‘The new Toyota Corolla goes down to 0w8’: Mechanic reveals what type of oil newer cars really need—and why they’re so different

We know firsthand from talking with veteran repair supervisor Rich Poisson that the guy probably thinks about nothing but cars, 24/7. And you know what? Respect. We need more all-knowing professionals like that who are dedicated to their work and want to help all of us drive as safely and economically as possible.

So it’s no surprise that Poisson, co-owner of Brighton Auto YP in Chicago, recently posted a 4-minute monologue on TikTok about the different grades and viscosities of motor oil being used today...