I think so -- no way to get the IP back far enough to clear the mounting hole otherwise. You can try, but it weighs quite a bit, and wrestling it in and out is a pain.

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!