You will still have to do all the same things that us that have swapped turbo engines into 240Ds have done: match balance flywheel, shorten and balance drive shaft, shorten shift linkages, swap rear differential (if desired)

How did the 616 loose compression?

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1979 240D- 316K miles - VGT Turbo, Intercooler, Stick Shift, Many Other Mods - Daily Driver

1982 300SD - 232K miles - Wife's Daily Driver

1986 560SL - Wife's red speed machine