Stock MSP GT2554r turbo? - Miata Turbo Forum - Boost cars, acquire cats.

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DIY Turbo Discussion greddy on a 1.8? homebrew kit?

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Old 01-22-2007, 02:37 PM   #1
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Default Stock MSP GT2554r turbo?

Ok, I posted some stuff up on samnavy's thread thanks to Andyfloyd bring the idea up, here is what I found:

Originally Posted by miatamania View Post
huh, found this on the miataprotege forums:

"I should have clarified a little more. The turbo used on the MSP definitely
shares the same wheel combination as the off the shelf GT25R catalog item,
meaning both turbine wheel and compressor wheel combinations are the same
(same size and same trim). There are a couple subtle distinguishing elements
between the MSP turbo and the off the shelf GT25R that set them apart, but
not in term of performance (power). One, the MSP turbo has a slightly
different compressor housing to accomodating the specific intake/intercooler
plumbing requirements for that vehicle. The other thing is one of the
components (either turbine wheel, turbine housing, or other CHRA component)
is of a slightly different material than the standard GT25R and carries a
different (higher) temperature rating. This could have been something done
to meet the OEM specifications for the turbo application, I don't know reason
behind it.

Aside from that, we have provide replacement CHRA's for that turbo and the
CHRA is the same one used on the off-the-shelf GT25R."

-Coming from a Garrett person

What would be the downside of buying a used GT series turbo? They are designed to be tougher, and with only a few years of use on them, and low mileage. And it would hook right up to a bell t-25 manifold and downpipe right?
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