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Old 05-05-2009, 08:57 PM   #1
BMe30
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used turbo question

what to look for when buying a used turbo with or without an internal waste gate.

thanks
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Old 05-05-2009, 09:31 PM   #2
e30_kid89
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Some things you can check:

-Depending on if it's a journal bearing or ball bearing, the journal bearing should have some SMALL shaft play and the ball bearing NONE.
-pull the turbine housing/compressor cover and check for any scratches or damaged fins on both inducer/exducer fins.
-also check the compressor housing for excessive oil = leaky leaky.
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Old 05-05-2009, 09:38 PM   #3
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thanks for the heads up.

would it be worth rebuilding the turbo if what you mentioned is there?
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Old 05-05-2009, 11:10 PM   #4
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Not really unless it's really hard to find or you're doing it yourself.
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