[QUOTE=
Going a bit further, you might have a defective ALDA. The brass capsules inside are very delicate and adjustments done by a gorilla could be fatal, ie PO.[/QUOTE]

The ALDA seems to have never been adjusted. The reason I am saying this is because the plastic cap on top of the ALDA looks like it has never been messed with. Also, I cleaned out the line from the Turbo to the IP. I'll check the other lines as well...

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1985 Mercedes 300DT