Mercedes Benz repair: turbo, turbo work, 300sd

Question
Does a 1987 turbo work on a 1985 300SD car?

Answer
Why are you replacing the turbo?
Read these threads

Turbo Rebuild
http://www.mercedesshop.com/shopforum/showthread.php3?p=809807#post809807

Turbocharger Wastegate Adjustment:
http://www.mercedesshop.com/shopforum/showthread.php3?t=114337

W126 OM617 1985 300SD turbo drain tube gasket & seals
http://www.mercedesshop.com/shopforum/showthread.php3?p=799062#post799062

ALDA R&R disassembly, cleaning.
http://www.mercedesshop.com/shopforum/showthread.php3?p=777546#post777546

MercedesShopWiki : OM617BoostControl
http://www.mercedesshop.com/Wikka/OM617BoostControl