It appears that lack of cooling system maintenance and lack of oil changes have allowed the engine to get hot. The coolant passages around the cylinder are nearly closed off. The deposits in the lifter valley is cooked and carbonized oil.
I can't say for sure from the pics that a head gasket failed. But I can say he engine needs a complete teardown. The only way to clean that block is to have it hot tanked.
2003 Mercury Grand Marquis
2002 Taurus SE "Evelyn" 221K+ miles 3.0 Vulcan AX4S - RIP
1995 Taurus GL "Bonnie" 72000 miles 3.0 Vulcan AX4N - RIP
If you need help with a Taurus problem, feel free to PM me or
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