Could be valve stem seals. If you never had the heads done before the 220k mile mark, now's probably the time. You may even have a few loose/broken guides that cause this.

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Current:
2021 Charger Scat Pack Widebody "Sinabee"
2024 CR-V Hybrid

Previous:
1972 280SE 4.5
2018 Durango R/T, 2014 Jeep Grand Cherokee Limited "Hefe", 1992 Jeep Cherokee Laredo "Jeepy", 2006 Charger R/T "Hemi"
1999 Chrysler 300M - RIP @ 221k