Miata Turbo Forum - Boost cars, acquire cats.

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-   DIY Turbo Discussion (https://www.miataturbo.net/diy-turbo-discussion-14/)
-   -   ID this GT25xx housing (https://www.miataturbo.net/diy-turbo-discussion-14/id-gt25xx-housing-24424/)

JasonC SBB 08-03-2008 02:18 PM
ID this GT25xx housing
 
2 Attachment(s)
Here's a housing I took off of a cheap beat up GT2560.

It has a "tongue" for divorcing the wastegate gases. Perfect for my custom tongueless divorced pipe downpipe. I've never seen one with a tongue before. How common is this? The turbo it came on had the fundky bolt-on (i.e. not hose end) attachments for the compressor inlet and outlet...

Braineack 08-03-2008 05:10 PM
off a Skyline GTR, the one with the ceramic turbine... IIRC.

Splitime 08-03-2008 08:02 PM
Originally Posted by Braineack (Post 291714)
off a Skyline GTR, the one with the ceramic turbine... IIRC.
Hurm... then it should be a t3 housing? I have a rb20det in the garage.. shame I'm too lazy to unbolt the turbo and check that :p

edit: I mean t3 flange?

JasonC SBB 08-03-2008 08:21 PM
Hmm, the turbine wheel appears to be ceramic all right. Does this have any advantage over a regular GT2560?

Splitime 08-03-2008 08:36 PM
Originally Posted by JasonC SBB (Post 291757)
Hmm, the turbine wheel appears to be ceramic all right. Does this have any advantage over a regular GT2560?
Yah... it has a tendency to explode at ~14psi give or take....

jasonrobo02 08-03-2008 09:45 PM
Originally Posted by Splitime (Post 291761)
Yah... it has a tendency to explode at ~14psi give or take....
Kindof like built-in overboost protection :)

JasonC SBB 08-03-2008 11:29 PM
Originally Posted by Splitime (Post 291761)
Yah... it has a tendency to explode at ~14psi give or take....
What power level is that? Shaft RPM is more a function of power than boost...

Splitime 08-03-2008 11:33 PM
Originally Posted by JasonC SBB (Post 291845)
What power level is that? Shaft RPM is more a function of power than boost...
I'm just going off the ~ death zone on the car the turbo came off of. The ceramic turbine blades had a short life starting at about the 14psi area.

Actual power level... unsure. I wouldn't push it. I have one on the 240 project of mine, I have a replacement turbo already... I don't trust the ceramic.

hustler 08-04-2008 08:18 AM
Originally Posted by Braineack (Post 291714)
off a Skyline GTR, the one with the ceramic turbine... IIRC.
You must have extremely high testosterone levels to pick some shit off like that.
:bowdown:


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