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lucittm lucittm is offline
Manassas, VA
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Join Date: Apr 2007
Posts: 1,211
The third post in this thread contains a picture of the nameplate. I believe this is the original turbo for this car assembled in December 1990; although I cannot prove it. Maybe someone can weigh in with a definition of the nameplate data.

You are seeing the housing after I cleaned it in a very expensive and rare petroleum solvent - gasoline.

The ignition timing is good but I did have a stuck waste gate caused by an improper diaphragm (pinched) installation of an Andial 1.1 bar spring. The PO was a lead-foot (motorcycle racer) and he had the stronger spring installed.

I replaced the stock spring and the waste gate diaphragm during this rebuild. It will be nice to have a completely functional turbo.

If I could just find a source for the exhaust turbine wheel...

1991 964 Polar Silver Metallic Turbo Coupe
Old 10-05-2008, 10:47 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #19 (permalink)