I just bought a low mileage Caprice. Yes, it's the orginial engine. There is sludge everywhere though. She was not well taken care of throughout the years- oil changes at least. Below is a valve cover picture. This will by my first OC. I know to use PYB for short OCI of around 2.5k. What do you guys think about seafoam in the oil or doing an engine flush?
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