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Twin- to Single-Turbo conversion help?

Old 04-16-2010, 04:55 PM
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If possible, could someone (preferably someone who's DONE one) gimme SOME kind of a list/ idea as to what's needed to fully do a twin- to single-turbo conversion on a 93?



Basically, I know that I'll need to source the following:



Turbo - Stage 3 .63 Turbine housing 50t compressor; T3 Flange; 3-bolt 3" inlet; 360' TRUST Kit (12 ramps instead of 6) - for responsive streetability;



Manifold;

Downpipe;

External Wastegate - Tial 38mm (?)

Y-down-pipe elimination -

etc...



Can anyone give me a list and, if possible, an idea of cost(s)?



The reason that it's going single is that the turbo(s) is/ are shot and leaking oil from the center cartridges. The previous owner let it sit and the seals went on a one-way to poop-ville. *shakesfist*



Anyone that can help me would be the AWESOME-IST *EVAR!*



Also, If someone's doing a Single- to twin- conversion, get ahold of me! Mebbe we can work out a trade for the bits!
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Old 04-16-2010, 05:07 PM
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That is an insanely small turbo for a rotary. It wont even make the power of the stock twins, and will be chocking long before redline.



Id be looking at a GT35R or T04E/S.
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Old 04-16-2010, 07:25 PM
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Originally Posted by mazdaspeed7 View Post
That is an insanely small turbo for a rotary. It wont even make the power of the stock twins, and will be chocking long before redline.



Id be looking at a GT35R or T04E/S.


Yeah, that was just was I was given a good cost on (isn't being done for power; it's the woman's daily), but will definitely look into that. Need the manifold, though.



Would like to find someone doing the inverse conversion and swap manifolds... That'd be the easiest route. That or a really good cost on one.



Doesn't RB have one with external flange?
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