Exhaust:
Exhaust leak between engine and Turbo
http://www.mercedesshop.com/shopforum/showthread.php?t=176625

EGR blocking plate kit "Brian Carlton"
http://www.mercedesshop.com/shopforum/showthread.php?p=615823#post615823

emissions swap...part one
http://www.mercedesshop.com/shopforum/showthread.php?s=&threadid=90424&perpage=15&pagenumber=1

Trap Oxidizer, LINKS thread
http://www.mercedesshop.com/shopforum/showthread.php?t=229522

Turbo diesel and non turbo diesel engine
http://www.mercedesshop.com/shopforum/showthread.php?p=638062#post638062

physics of turbo question
http://www.mercedesshop.com/shopforum/showthread.php?p=792013

Exhaust leak between engine and Turbo
http://www.mercedesshop.com/shopforum/showthread.php?t=176625

87 300SDL exhaust flex coupling- where to buy?
http://www.mercedesshop.com/shopforum/showthread.php?t=140926

Turbo Cartridge Replacement
http://www.mercedesshop.com/shopforum/showthread.php?t=135489

Turbo Rebuild
http://www.mercedesshop.com/shopforum/showthread.php?p=809807

Rebuilding Turbo
http://www.mercedesshop.com/shopforum/showthread.php?t=111519

Need help: Garrett turbo rebuild on OM617 1982 300SD
http://www.mercedesshop.com/shopforum/showthread.php?t=167490

Turbocharger Wastegate Valve Spring Tension Adjustment for 617 Engines
http://diymbrepair.com/easley/wgate.htm

Adjusting the Turbo Wastegate
http://www.serenitysys.com/MB/Service_Info/Turbo_Tweak/tweaking_the_mercedes_617_turbo_.htm

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

Turbo boost guage advice needed
http://www.mercedesshop.com/shopforum/showthread.php?p=384697

Replacing Seals on Turbo Oil Drain Pipes
http://articles.mbz.org/engine/diesel/seals/

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