The Garrett G40-1150 with a 71mm compressor wheel and T4 Divided .95 A/R turbine housing is a ball-bearing turbocharger built for enthusiasts who demand rapid response without sacrificing top-end capability. Designed for serious performance builds, this unit delivers efficient mid-range spool and broad-range power delivery that suits both street and competition applications. It’s the right choice for builders who need a turbo that transitions smoothly from low-RPM responsiveness to sustained high-output performance.
Specifications
- Compressor Wheel Inducer: 71mm
- Compressor Wheel Exducer: 88mm
- Compressor Wheel Trim: 65
- Compressor Housing A/R: 0.80
- Turbine Wheel Inducer: 77mm
- Turbine Wheel Exducer: 70mm
- Turbine Wheel Trim: 84
- Turbine Housing A/R: 0.95 (T4 Divided)
- Bearing Type: Ball Bearing
- HP Capacity: 400+ hp
- Garrett P/N: G40-1150
Performance & Application
Engineered for applications targeting 400+ hp, the G40-1150 ball-bearing turbocharger delivers efficient mid-range spool characteristics paired with responsive power delivery across a broad RPM range. The .80 A/R compressor housing works in tandem with the .95 A/R divided T4 turbine housing to balance quick spool with strong high-RPM breathing. This combination makes the G40-1150 well-suited to performance builds seeking a responsive, broad-powerband turbocharger rather than a peaky, top-end-only solution.
Frequently Asked Questions
- What HP can the G40-1150 support?
- The G40-1150 is engineered for applications in the 400+ hp range.
- Is the G40-1150 a ball bearing or journal bearing turbo?
- The G40-1150 is a ball-bearing turbocharger.
- What is the compressor housing A/R ratio?
- The compressor housing A/R ratio is 0.80.
- What is the turbine housing A/R ratio and configuration?
- The turbine housing uses a 0.95 A/R divided T4 configuration.
For builders who need a ball-bearing turbo that combines mid-range responsiveness with the breathing capacity to support 400+ hp, the Garrett G40-1150 with T4 Divided .95 A/R turbine housing delivers a proven, engineered solution.
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