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Re: MB Ur-questions


> There are three hoses connected to the wastegate frequency valve.  The
> one to the wastegate itself _is_ only 100mm long - it goes from the
> upper outside port.  The upper centre port is connected to the turbo
> inlet, and the lower port is connected to unthrottled boost in early
> MB engines, and throttled boost in later ones.

The port on the top, not in the middle, but opposite the electrical
connections, is connected to the turbo inlet on my car.  The centre top
port is not connected to anything.  I think something's funny here...

Jouko Haapanen