The Garrett Supercore G-Series II G45-1610 is built for performance enthusiasts and tuning shops who demand the latest advancements in Garrett’s turbocharger technology without abandoning their existing Gen I hardware investment. Engineered as a direct upgrade path for Gen I G-Series owners, this Supercore lets you step up to G-Series II performance using your current compressor and turbine housings. It’s the ideal choice for builders seeking higher flow capability and improved efficiency from a proven, race-ready platform.
Specifications
- Model: G45-1610
- Garrett P/N: 938339-5004S
- Turbine Wheel Material: Mar-M alloy
- Turbine Wheel Temperature Rating: Up to 1050° C
- Turbine Housing Material: Stainless steel
- Turbine Housing Temperature Rating: Up to 1050° C
- Rotation Configurations: Standard and reverse rotation available
- Compressor Flow Improvement: Up to 10% higher compressor flow compared to G-Series Gen I at peak pressure ratio and peak turbo RPM
- Housing Compatibility: Utilizes Gen I compressor and turbine housings
- Compatible Speed Sensor Kit: ATP-ACS-032
Performance & Application
The G45-1610 Supercore is purpose-built for Gen I G-Series customers looking to unlock additional performance without a full housing swap. New compressor aero technology delivers increased efficiency at high flow rates, translating to greater power potential when properly calibrated. Available in standard and reverse rotation configurations, this core adapts to a wide range of engine layouts and packaging requirements. Recalibration is required to fully realize the horsepower gains made possible by the increased flow capacity.
Frequently Asked Questions
- Can I upgrade from Gen I to G-Series II without replacing my housings?
- Yes. The G-Series II is a direct upgrade path for Gen I customers and utilizes Gen I compressor and turbine housings, available as a complete turbo unit, supercore, or CHRA purchase.
- How much more flow does the G45-1610 provide compared to Gen I?
- It offers up to 10% higher compressor flow compared to G-Series Gen I at peak pressure ratio and peak turbo RPM.
- Do I need to recalibrate after installing this Supercore?
- Yes, calibration is required to take advantage of the increased flow for a horsepower upgrade.
- What temperatures can the turbine wheel and housing withstand?
- The Mar-M alloy turbine wheel and stainless steel turbine housings are both rated up to 1050° C.
For Gen I G-Series owners ready to extract more performance from proven hardware, the Garrett Supercore G45-1610 delivers the flow gains and efficiency improvements of G-Series II technology while preserving your existing housing investment.
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