Jeep 4.0 oil for summer and winter

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Originally Posted By: HoosierJeeper
I'll change it out before it gets real cold.

KCJeep, read your thread the other night about oil filters for the 4.0, was the FL400S the winner? How has that worked out despite it being a smaller filter? Could run a Wix 51516 too I suppose.


The FL-400s and Fram Tough Guards consistently performed the best so that's what I use now. Now that the FL-400s has gone to louvers I have stopped buying them, I have nothing against louvers but have seen too many pics of Puro's that were not open. No thanks.
 
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