When we cut the old exhaust system off, it had at least a quarter inch of soot it in, mostly glassy. Both mufflers were about half full, too. Front pipe was clean, probably from being on fire!

Peter

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1972 220D ?? miles
1988 300E 200,012
1987 300D Turbo killed 9/25/07, 275,000 miles
1985 Volvo 740 GLE Turobodiesel 218,000
1972 280 SE 4.5 165, 000 - It runs!