That's nothing. In car cheap doo-dads are one thing. Major engine components which used to be stamped steel or cast aluminum are now made of plastic. Duck your head under some of the newer cars in a parking lot. The number of OIL PANS which are made of plastic on modern cars, even very expensive modern cars, is astounding. Valve covers, weird plastic covers with face seals because they're under pressure with antifreeze, intake manifolds... these have been used for a long time. They're awful and always warp and fail, but they've been with us for 15 years. But oil pans?? That just blows my mind. Just imagine these cars sitting there cooking in rush hour traffic in 120 degree heat with the air conditioning on. Old cast aluminum oil pans had fins in them to keep the oil temp down. What do these new PLASTIC pans do to the oil temperature?
Edit: Just had a thought. Maybe keeping the oil temp high was intentional to bump up the fuel economy numbers. Anybody have a new Toyota that takes 0W16 oil?

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