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  #10  
Old 09-10-1999, 11:57 AM
nicodore
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That thingie is the overboost protection valve. It's supposed to do something (cut the fuel supply?) if boost goes over a certain level, to prevent arm to the engine.

There is an interesting article about all this at

http://www.realtime.net/~drl/mercedes/turbo.txt

Nicolas

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