Thanks Sugar Bear!! I will definitely be replacing the chain and the guides! And I‘ll check those tees too. I‘ll post some pics when I can take some!!

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1979 300D, sold
1984 300D, totaled
1984 300D, sold
1982 300TD, sold to Dad
1976 240D automatic unfortunately
1974 240D manual, sold
1981 300D, sold
1983 300TD, no rust, sold
1979 240D manual, rear-ended
1965 200D, four-on-the-tree
1982 300SD
1985 300D
1984 300CD „Rusty,“ gone but not forgotten
1980 300SD
1982 240D 4-spd, sold
1991 420SEL