Thanks for the input guys!
Will see about checking the chain for stretch, never changed it since I acquired the car, might as well change it.

What ARE the typical symptoms of a stretched chain? I do have a stumbling issue now and then...say 2-3 times during a 1hr commute at idle. Frequency increased in the past 5 mos. Never stumbled beyond that.

What's the quickest way to check for stretch?

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85 190E 2.3(SOLD)
86 230E (-->300D) sold
87 300D (-->300TD) sold
68 250S w/ a 615 and manual tranny (RIP)
87 300TD (SOLD)
95 S280 "The KRAKEN" (Turbo 2.9 602 transplant) traded
86 190E 2.3... current project