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Speedy Squirrel Speedy Squirrel is offline
Rocket Scientist
 
Join Date: Jun 2008
Location: Detroit
Posts: 833
Ball bearing turbos are not even available without water cooled housings. They didn't create that tech note for nothing. There probably are usage cycles that allow a non-water cooled housing to live, for awhile, but I have seen several now that have been cooked on a 930. The manifold theory is not accurate. The turbine housing has enough mass on its own to overheat the center section.
Old 05-19-2014, 10:28 PM
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