High Mileage Oil in a Low Mileage Engine?

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Originally Posted By: fdcg27
By what convoluted reasoning did CARB come up with the legal authority to ban VR1, or did they just lean hard on Valvoline?
Perhaps it was this decision: https://www.bobistheoilguy.com/forums/ubbthreads.php/topics/4026951/California_bans_sale_of_obsole "The law now requires that engine oils and lubricants meet, at minimum, one active API classification (SJ to SN, CH to CJ-4), one active sequence of the ACEA or one active original equipment manufacturer specification." .....it's basically a form of consumer protection. Sacramento loves to protect us, because they think we're too stupid to make our own decisions. (This also means Dollar General oil is banned.)

- So using HM oil with seal swellers will wear them out faster?
 
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