All good. Thanks!

There are some really good resources on this - can I post links here? - and this looks like a very doable job, either including the timing chain or not.

The thing that is still mysterious to me is why did they build this great engine and put it in this great car, and cheap out on these totally essential parts? Could they not have been made out of something more durable?

Anyway. I'm going to start by replacing guides, oilers and gaskets. I'll check the internal timing while I'm at it and take it from there.

Thanks for the help!

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1988 420SEL