The Garrett GT2560R is a brilliant match for most MX-5s with more aspirational power gains. Due to its ball-bearing design, it delivers a massive punch of torque from under around 3,000RPM and pulls all the way to the redline, delivering up to 330bhp.
- Double Ceramic Ball Bearing CHRA
- Oil & Water-cooled bearing system
- Internal Wastegate
- High-Nickle (“Ni-Resist”) Turbine Housing
- Inconel Turbine Wheel
- T25 turbine inlet flange
- Suitable for up to 330HP, incredibly fast spooling on a 1.8 engine and happy to run around 240-260hp on a stock engine at ~10-12psi.
This turbo will be making positive pressure from 2100rpm with near instant throttle response after boost threshold.
1.8 NB: 10PSI @ 3100rpm (220WHP).
1.8 VVT 10PSI @ 3000rpm (220WHP)
1.6 NA/NB 10PSI @ 3400rpm (210WHP)
Tests higher than this power level are available on miata.net: https://www.miataturbo.net/diy-turbo-discussion-14/i-want-your-spool-data-26641/