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I use a 20w-50 Fuchs Titan regular oil and I do change the filter every time, should I be considering synthetic?


Why such a thick oil? Doesn't Mitsu recommend 10W-30 for the 3.5L V6. I don't know how much that would affect your lifter noise, but I'd try the thinner oil (unless you switched for some reason).


Jim

1994 Montero LS