they had a guy at DI when i was there that had one. David mentioned something about it being one of the first ball bearing turbos made, and it had a "few" miles on it, with mini me's. guy seemed to like it and never had any problems with it.
It's the curse of the ball bearing turbo. I have installed Garrett's Duramax turbo upgrade on 2 identical trucks, same intake and exhaust same tuning box from edge with same settings. The first Durmamx never surged and couldn;t be made to surge, the other Duramax surged at 12-17 lbs no matter what fuel was being delivered. It's almost as if it is an engineering defect or some other arbitrary abnormality.
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