The Garrett G30-660 standard rotation turbocharger is engineered for enthusiasts and builders seeking a direct bolt-on upgrade with a proven, high-flowing compressor and turbine combination. Its open T3 undivided inlet and V-band outlet configuration make it a strong choice for those transitioning from GTX-style turbo platforms who want the added flexibility of a V-band turbine housing exit. This assembly is built for serious high-boost applications where reliable ball bearing performance and precise housing sizing matter.
Specifications
- Compressor Wheel Inducer: 54mm
- Compressor Wheel Exducer: 67mm
- Compressor Wheel Trim: 65
- Compressor Housing A/R: 0.70
- Compressor Inlet: 3 inch
- Compressor Outlet: 2 inch
- Turbine Wheel Inducer: 60mm
- Turbine Wheel Exducer: 55mm
- Turbine Wheel Trim: 84
- Turbine Housing A/R: 0.83
- Turbine Housing Inlet: T3 Open (undivided) inlet, same flange size and placement as GTX
- Turbine Housing Outlet: 3.55 inch (90mm) O.D. V-band with 81mm centering ring
- Bearing System: Ball bearing
- Rotation: Standard rotation
Performance & Application
Built around Garrett’s ball bearing core, this G30-660 turbo is designed for high-boost applications demanding quick response along with strong sustained airflow. The undivided T3 open turbine inlet shares the same flange size and placement as GTX-series housings, making it a straightforward upgrade path for builders already familiar with that platform. The 3 inch V-band turbine outlet simplifies exhaust-side plumbing on custom and semi-custom turbo systems. This configuration suits performance builds that require a direct bolt-on turbo upgrade without sacrificing high-boost capability.
What’s Included
- Oil Feed (1mm) Restrictor Fitting to -4AN
- Two Coolant Fittings to -6AN
Frequently Asked Questions
- Is the Garrett G30-660 a ball bearing or journal bearing turbo?
- It uses a ball bearing design, supporting high-boost applications.
- What is the A/R ratio of the compressor and turbine housings?
- The compressor housing
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