GT2560R + Billet Compressor Wheel = ???
Motor: 1.8L @ 10:1 Compression
Fuel: 93 Octane usa pump gas Target Boost: 6-7 psi Hi Miata Turbo community 😀, Has anyone tried those new billet compressor wheels in a Garrett GT2560R turbo (similar to the JDS wheel for BrokeandBoosted's GT2554R)? If yes, how much faster did the turbo spool and did it flow more/cooler temps at the same low boost pressures (i.e. 6-7 psi)? |
You won't notice any difference in these boost levels.
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Originally Posted by yossi126
(Post 1355535)
You won't notice any difference in these boost levels.
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Not many have done this upgrade (read: one person), and at such low boost levels it's hard to say if there will be greater than marginal results.
I'm assuming you watched this video? |
Originally Posted by Braineack
(Post 1355542)
Not many have done this upgrade (read: one person), and at such low boost levels it's hard to say if there will be greater than marginal results.
I'm assuming you watched this video? Trying to Break The Miata: Billet Compressor Wheel Science! - YouTube Yes that is the video I was referring to earlier and this is the company who makes the billet compressor wheel upgrades: jdsperformanceturbos . I emailed JDS asking for weight and specs of their GT2560R billet compressor wheel upgrade, but never received a response, hence me asking the question to this Mazda community. 👽 |
I installed a billet GT2860R (1mm larger bore) wheel on my GT2560R.
Its shiney, spools quieter than the original wheel. I have a few dyno pools before the wheel, but i have not dynoed after the new wheel, so i cant say if it changed anything. I normally run about 10-12 lbs boost. https://cimg4.ibsrv.net/gimg/www.mia...ddeaeaf967.jpg https://cimg5.ibsrv.net/gimg/www.mia...6f49cd28da.jpg |
I'm running a GTX2867R with a billet wheel and ball bearing center housing and it spools similarly to my Chinese 2870 with cast wheel and journal bearing. With these little turbos I don't know if the mass difference will be as obvious as it is with large diameter turbos. I wouldn't likely notice a 100-200 RPM difference if that's all it was, so I might not be as much help as someone who had multiple dyno sessions and lots of data.
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