The Garrett GTW3884JB is a journal bearing turbocharger built for serious performance enthusiasts who demand strong flow capacity without the premium cost of a ball bearing unit. As part of Garrett’s GTW Series, it delivers Garrett’s engineered answer to the popular 6766-size turbo class, balancing high output potential with a competitive price point. This is the turbo for builders who want proven big-turbo performance backed by Garrett engineering.
Specifications
- Compressor Wheel Inducer: 67.3 mm
- Compressor Wheel Exducer: 84.4 mm
- Compressor Wheel Trim: 64
- Turbine Wheel Inducer: 74.2 mm
- Turbine Wheel Exducer: 64.6 mm
- Turbine Wheel Trim: 76
- A/R Ratio: .78
- Turbine Housing: T3 divided with 3″ V-band outlet
- Bearing Type: Journal Bearing
- Compressor Housing Frame: T04S Frame
- Compressor Inlet: 4″
- Compressor Outlet: 2.5″
- Anti-Surge: Built-in & machined anti-surge
- HP Potential Flow: 950 HP
- Garrett P/N: GTW3884JB
- Also Known As: GTW6765JB
Performance & Application
The GTW3884JB is designed for high-horsepower builds that require strong flow capacity from a journal bearing platform. Its divided T3 turbine housing with a 3″ V-band outlet supports efficient exhaust energy management, while the T04S frame compressor housing with built-in anti-surge technology helps extend the usable range of the compressor map. This turbo is well suited to enthusiasts targeting big power numbers who want GTW Series performance without stepping up to a ball bearing platform.
Frequently Asked Questions
- What HP can the GTW3884JB support?
- The GTW3884JB has a 950 HP potential flow rating.
- Is this a ball bearing or journal bearing turbo?
- The GTW3884JB is a journal bearing turbocharger.
- What is the A/R ratio of this turbine housing?
- The turbine housing has a .78 A/R ratio.
- What does GTW6765JB refer to?
- GTW6765JB is an alternate name (alias) for the Garrett GTW3884JB.
For enthusiasts seeking Garrett-engineered performance at a competitive price, the GTW3884JB delivers the flow capacity and build quality needed to make a serious power statement.
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