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Hi just wondering if anyone has used this yet I've been using nothing but delo 15w40 in my truck since 2008 when I purchased it. I know ford has not recommended it but I've also heard they started approving it. From what I have read it should out perform CJ-4
Ya me either but I did see some other off brands on the list I really would wonder why a company like Chevron would not meet the spec. Maybe it's just not updated