Good point. And an important issue with large repairs is having confidence in my own repair work. Finally after a year and 5000 miles after doing the head gasket I feel confident I did a good job.

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1979 Black on Black, 300CD (sold), 1990 Black 300SE, Silver 1989 Volvo 780, 1988 300CE (vanished by the hands of a girlfriend), 1992 300CE (Rescue).