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turbo break-in periods, myth?

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Old 12-13-2001, 09:29 AM
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Default turbo break-in periods, myth?

What's the consensus/facts here? Do turbos have a specified "break-in" period of time? Considering my tech took my car out and railed on it for nearly 100 miles after my new turbos were installed my guess would no. My svc writer tells me he drove it very hard, to make sure everything was kosher. That makes me lean towards beleiving there's not a break-in period. Other people have said no/yes, what's your take?
Old 12-13-2001, 09:53 AM
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I've never heard of a break in period for a turbo
Old 12-13-2001, 10:59 AM
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What is there to 'break in'? I'd say nope.
Old 12-13-2001, 03:33 PM
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Most turbo companies test the turbo's right when they are done building them.
Old 12-13-2001, 06:20 PM
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Default yeah, that seems to be most people's reasoning...

Can any real moving parts that can be broken in?
Old 12-13-2001, 08:09 PM
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Default Especially on the sleeve bearing turbos. Basically a finely balanced shaft spinning on an oil film

with no metal to metal contact points. I think if they 'wore in' at all the potential for galling from pickup would be catastrophic.
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