Limited slip was an option most years, so you may or may not have it. It was standard on the 6.3/6.9L high performance models -- otherwise they eat right rear tires!

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!