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WERK I WERK I is offline
Forced Induction Junkie
 
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Join Date: Jan 2003
Location: Wisconsin
Posts: 3,291
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Not to insult your investigative work thus far, but here is a basic question. The ball bearing you inspected......is it the size of the ball bearing picture below?

If so, I would ship back the turbo to the rebuilder and state they did something wrong during the assembly of that turbo. IMHO, don't put a restrictor on the oil line. You would be treating the symptom and not the problem.
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Dave
'85 930 Factory Special Wishes Flachbau
Werk I Zuffenhausen 3.3l/330BHP Engine with Sonderwunsch Cams, FabSpeed Headers, Kokeln IC, Twin Plugged Electromotive Crankfire, Tial Wastegate(0.8 Bar), K27 Hybrid Turbo, Ruf Twin-tip Muffler, Fikse FM-5's 8&10x17, 8:41 R&P
Old 04-15-2008, 07:44 AM
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