I stopped using Royal Purple when I couldn't get 0W30 any longer, so now it's Mobil 1, at least in the 3500. It's seldom driven except to the track and back.
My Quad gets Mobil 1 5w30 exclusively. (154,xxx miles, never touched)
I'm going to have to look into this Delco plastic oil filter issue!
My Quad gets Mobil 1 5w30 exclusively. (154,xxx miles, never touched)
I'm going to have to look into this Delco plastic oil filter issue!
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