When doing my routine oil change at 5000ish miles, I discovered very fine copper glitter in the drain pan and several small black colored metal flakes (largest was 1.45mm x .67mm). When I pulled the valve covers off to inspect the valvetrane I discovered this strange copper sludge like substance all over the valve cover interior surface and even inside the gasket seats that resembles anti-seize. I’ve been running an additive called engine restore by automotive restore products for the last 20k miles or so and haven’t had any issues until now. Engine has more power than it’s ever had and there is no rod knock or unusual noise. I have put 386 miles on the engine since the oil change in question and there is still no abnormal noise or other symptoms present.
Vehicle: 1998 Mitsubishi Montero Sport LS 3.0L 6G72 SOHC RWD (block is 2-bolt main variation)
Acquired Mileage: 153,099
Current Mileage: 213,325
Oil Change Interval: Every 4500~5500 Miles.
Oil: Pennzoil Platinum Full Synthetic High Mileage 10W-30.
Additive: Engine Restore (In the grey can), used as a preventive measure every oil change.
Filter: Wix 51334XP (No deviation from this brand and grade of filter)
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