Maybe this should be in a craigslist thread, but I've never seen a 617 with a turbo/intake setup like this. Is this factory?

http://img357.imageshack.us/img357/5177/dsc02666ht5.jpg

The build plate says 08/85, so I suppose it could be called an '86 300SD, but it still has the pre '86 bumpers and trim. Tail end of the build, I guess.

Look at the turbo, and someone with better turbo vision than me please identify it. Did Mercedes add some kind of a boost limiter/blow off valve on this engine?

http://losangeles.craigslist.org/sgv/cto/1026941534.html

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'82 300SD 351k