The Garrett G30-770 standard rotation turbocharger is engineered for enthusiasts building high-output, twinscroll-compatible platforms who demand rapid spool without sacrificing top-end capability. Its divided T4 turbine inlet and V-band compressor and turbine outlets make it a purpose-built solution for serious performance applications where response and flow both matter. This is a turbo built for builders who refuse to compromise between quick spool and big power.
Specifications
- Compressor Wheel Inducer: 58mm
- Compressor Wheel Exducer: 71mm
- Compressor Wheel Trim: 65
- Compressor Housing A/R: 0.72
- Compressor Housing Inlet: 4 inch
- Compressor Housing Outlet: 2 inch
- Turbine Wheel Inducer: 60mm
- Turbine Wheel Exducer: 55mm
- Turbine Wheel Trim: 84
- Turbine Housing A/R: 1.06
- Turbine Housing Inlet: T4 Divided inlet (same flange size and placement as GTX)
- Turbine Housing Outlet: 3.55 inch (90mm) O.D. w/81mm centering ring V-Band
- Bearing System: Dual ball bearing
- HP Capacity: Up to 770 HP
- Rotation: Standard Rotation
- Garrett P/N: 880704-5003S
Performance & Application
The G30-770’s divided T4 twinscroll inlet is designed to preserve exhaust pulse energy, delivering strong low-end response while its turbine and compressor wheel geometry support sustained high-horsepower output. The dual ball bearing center section provides quick turbine response, making this turbo well suited for builders prioritizing both spool characteristics and top-end power. The V-band turbine outlet and V-band compressor discharge simplify integration into modern, high-performance turbo systems. This configuration is ideal for enthusiasts building serious power platforms that demand a twinscroll-capable, high-flowing turbocharger.
What’s Included
- Oil Feed (1mm) Restrictor Fitting to -4AN
- Two Coolant Fittings to -6AN
Frequently Asked Questions
- What HP can the Garrett G30-770 support?
- The Garrett G30-770 delivers up to 770 HP.
- Is this a ball bearing or journal bearing turbo?
- The G30-770 features dual ball bearing construction.
- What is the A/R ratio of the compressor and turbine housings?
- The compressor housing A/R is 0.72, and the turbine housing A/R is 1.06.
- What turbine housing inlet and outlet does this turbo use?
- It uses a T4 Divided inlet, the same flange size and placement as GTX, with a 3.55 inch (90mm) O.D. V-Band outlet featuring an 81mm centering ring.
For builders who need a twinscroll-ready, ball bearing turbocharger capable of supporting up to 770 HP without sacrificing throttle response, the Garrett G30-770 standard rotation turbo is the definitive choice.
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