Nothing there on my car, but then it's a few years newer. Sorry, all I can offer is encouragement...
The amount of work you've done so far is very impressive. Keep plugging away, like the rest of us!
Your wife is quite a sport, rolling up her sleeves and pitching in! (in your other thread)
I'm lucky too, my wife is willing to pitch in to some degree, but she draws the line at wrenching.

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'83 300D Turrrbo 295K miles