Open your car’s manual, or pop your hood and it’s likely written on the oil filler cap.
But you can spend endless time reading forum debates about whether the OEM specification is the optimal one for any given car, complete with lab test results, which was the point I was making.
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But you can spend endless time reading forum debates about whether the OEM specification is the optimal one for any given car, complete with lab test results, which was the point I was making.