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Might be
educational for us turbo minded folks to have someone knowledgeable look at your
turbo and offer an opinion as to why it happened.
Here's my guess (not that
anyone asked <g>):
Inside the turbine housing,
there's a thin divider that goes between the two exhaust chambers. My
decision to abandon the Mazda turbo was based on disassembling a use turbo
(not the one I was flying), and finding severe cracks in this
divider. Some of them were getting close to losing pieces of the divider,
which could be what happened to John. If a piece of this breaks loose, it
will impact the turbine, and potentially break the shaft. Keep in mind
that this is just a SWAG.
For the record, I have
offered to sell mine to John, but I'll be just as happy to sell it on
Ebay. Since I wouldn't personally continue flying the stock turbo, I
certainly wouldn't encourage anyone else to do it
either.
Cheers,
Rusty (turbo free for 2
hours now)
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