Aah...Well, I had the marks on the camtower spot on...So, even though I'm pushing 280k, the chain seems to still be in reasonably good health then, and not something I have to immediately worry over?

Thanks for your comment, Diesel911.

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"The MB W123 is so bulletproof, you can drive them forever. Which is a good thing as it takes that long to get anywhere."
Betsie: 1984 W123 300D (hobby, 280k miles)
Myrla: 2001 Mazda Protege 2.0 ES 5spd (daily driver, 130k miles)
The Turd: 2007 Toyota Camry (wife's car, 118k miles)