Lance, Do you know the history of the car? Constant short trips? Extended oil changes? Type of oil used? Does it reach full operating coolant temp? Does it run hot?

If it is just dirty/contaminated then several short interval changes (500 then 1,000 then 2,000 miles) following longer trips at full temp may clean it up.

Be cautious with oil additives/cleaners, they can break sludge loose too fast and block oil passages.

Good luck and please post the progress.

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"Rudeness is a weak man's imitation of strength" - Eric Hoffer