This is the lifeline of your engine. Alexander's 1960 Thunderbird with an original 77,000 mile 352cid engine suffered a catastrophic connecting rod failure at idle because of an oil screen clogged with carbon deposits. Check yours before it fails.
Two views of 1958 352 cid oil filter screen of John G. The oil pan was clean but as you can see the oil screen was totally clogged. A failure ready to happen.
1958 352 cid oil pickup screen cleaned and ready for dependable service.
Oil pickup screen on a 1960 352cid engine of Casey. It is relatively clean, but now that he checked it, he can sleep at night.
The same pickup screen after cleaning.