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Location:
northern beaches
Registered:
August 2002
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Registered:
June 2003
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Re: turbo damage
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Mon, 05 December 2005 12:25
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I had both of my 2J turbo's rebuilt with steel wheels, and had a bit of a chat to the turbo guru. It's all fairly mysterious to me, but from what I gather, it depends entirely on the application, and how well you want it to run. Re-balancing the wheel is an absolute MUST due to the RPM that they operate at, however machining the inner housing may not always be required. I think it's one of those things that is a good idea to get done while it's all apart, but not absolutely essential. As long as the fins clear the housing of course, and also providing there isn't a massive gap between the fins and the inner housing wall. From what I was told, the smaller the gap the greater the efficiency, to a point at any rate. He started talking about turbulance and other funky stuff playing a role when you get really close, but that's where he lost me.
Again, I'm no expert here - this was just me quizzing the turbo guy cause I was curious myself.
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