The Garrett GTW3684JB brings GTW Series engineering to the popular 6262 turbo size, delivering serious performance at a competitive price point. Built with a journal bearing center section and a .70 A/R T4 divided turbine housing, this turbo is engineered for enthusiasts who demand strong flow potential without the premium cost of ball bearing technology. It’s the smart choice for builders seeking a proven, high-capacity turbo platform for aggressive street and performance applications.
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
- Turbine Housing A/R Ratio: .70
- Turbine Housing Flange: T4 Divided
- Turbine Housing Outlet: 3″ V-band
- Bearing Type: Journal Bearing
- Compressor Housing Frame: T04S
- Compressor Inlet: 4″
- Compressor Outlet: 2.5″
- Compressor Housing Feature: Built-in & machined anti-surge
- HP Potential: 750 HP flow potential
- Garrett P/N: GTW3684JB
- Also Known As: GTW6262JB
Performance & Application
The GTW3684JB is Garrett’s Performance solution to the widely popular 6262 size turbo, offering a well-rounded balance of response and top-end flow for high-output builds. With 750 HP potential flow, this turbo suits enthusiasts building serious street or performance combinations where strong power delivery is the goal. The T4 divided turbine housing supports applications requiring pulse separation, while the 3″ V-band turbine outlet simplifies exhaust-side plumbing. The T04S compressor housing with built-in and machined anti-surge porting helps extend the usable range of the compressor map for a broader powerband.
Frequently Asked Questions
- What HP can the GTW3684JB support?
- The GTW3684JB has a 750 HP potential flow rating.
- Is the GTW3684JB a ball bearing or journal bearing turbo?
- The GTW3684JB is a journal bearing turbo.
- What is the A/R ratio of the GTW3684JB turbine housing?
- The turbine housing has a .70 A/R ratio with a T4 divided flange and 3″ V-band outlet.
- What does GTW6262JB refer to?
- GTW6262JB is an alias for the Garrett GTW3684JB, referencing the popular 6262 size turbo it’s based on.
For builders seeking the proven performance of the 6262 turbo platform without a premium price tag, the Garrett GTW3684JB delivers the flow capacity and housing configuration to back a serious power build.
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