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Ford manual and badge states B20 is OK. It is cheaper as we subsidize the farmers for the crops that make the 'bio'. I try to avoid it when possible, therefore avoid Walmart/Murphy. Bio is supposed to have the pump labeled but guessing many or most do not. When towing I add Ford additive most of the time.
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2022.Montana 3855 BR
2019 F350 6.7 4X4 DRW
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