Anyone interested in Mobil 5W50, it's on sale at NAPA Autoparts for $6/quart. I pick up locally.
Combine with the Mobil 1 rebate, which I've used at NAPA in the past.
https://www.mobil.com/en/lubricants/...e-program-2020
https://www.napaonline.com/en/p/MOR122075
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