Engine oil level question

[shew01]

Originally Posted by 28tudorsedan

Could possibly have some sludge build up in there hence the reason at 4 quarts your already over the mark I did my oil change last week at 4.5q I was right on the full line.

I never thought about sludge potentially taking up space in the oil pan and altering the amount of oil required for a refill. My car’s engine was rebuilt before I purchased it; so, I’ve never had the pan off.

Can sludge really build up that much?


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