The Garrett GTW3684JB is a journal bearing supercore built for enthusiasts who want serious 6262-class turbo performance without the premium ball bearing price tag. Sold as a turbo without turbine housing, it gives builders the flexibility to pair this core with the housing configuration their application demands. This is the GTW Series answer to the popular 6262 size turbo — engineered for those chasing strong flow and reliable power at a competitive price point.
Specifications
- Compressor Wheel Inducer: 62.3mm
- Compressor Wheel Exducer: 84.4mm
- Compressor Wheel Trim: 54
- Turbine Wheel Inducer: 71.0mm
- Turbine Wheel Exducer: 61.9mm
- Turbine Wheel Trim: 76
- Bearing Type: Journal Bearing
- Compressor Housing Frame: T04E
- Compressor Inlet Size: 4″
- Compressor Outlet Size: 2″
- Anti-Surge: Built-in & machined
- HP Potential: 750 HP potential flow
- Garrett P/N: 841297-5002S
- Also Known As: GTW6262JB
Performance & Application
The GTW3684JB is designed for performance builds targeting up to 750 HP potential flow, making it well suited for enthusiasts building serious street or competition setups around the 6262 turbo size. As a journal bearing unit, it delivers Garrett GTW Series performance characteristics at a more accessible price than ball bearing alternatives. The 54-trim compressor wheel and T04E frame housing with machined anti-surge design support strong flow characteristics for builders pushing higher power targets. This supercore configuration is purpose-built for those who want to select and match their own turbine housing to their specific application.
Frequently Asked Questions
- What HP can the GTW3684JB support?
- The GTW3684JB offers 750 HP potential flow.
- Is this a ball bearing or journal bearing turbo?
- The GTW3684JB is a journal bearing supercore.
- What does GTW6262JB refer to?
- GTW6262JB is an alternate name (alias) for the Garrett GTW3684JB.
- What compressor inlet and outlet sizes does this turbo use?
- The compressor housing is a T04E frame with a 4″ inlet and 2″ outlet, featuring built-in and machined anti-surge.
For builders who want proven GTW Series 6262-class performance without paying for a ball bearing core, the GTW3684JB delivers the flow potential and quality to back a serious 750 HP build.
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