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BMe30
05-05-2009, 08:57 PM
what to look for when buying a used turbo with or without an internal waste gate.

thanks

e30_kid89
05-05-2009, 09:31 PM
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.

BMe30
05-05-2009, 09:38 PM
thanks for the heads up.

would it be worth rebuilding the turbo if what you mentioned is there?

e30_kid89
05-05-2009, 11:10 PM
Not really unless it's really hard to find or you're doing it yourself.