Honestly I'm not sure, I'm sure there's a motor oil additive that can break that stuff up but it might just be time for a rebuild on the motor anyways before you start hitting things like damaged crank bearings.
Honestly I'm not sure, I'm sure there's a motor oil additive that can break that stuff up but it might just be time for a rebuild on the motor anyways before you start hitting things like damaged crank bearings.