The Garrett GTW3884JB is a journal bearing turbocharger built for enthusiasts who want serious power without stepping up to a ball bearing price point. Positioned as Garrett’s GTW Series answer to the popular 6766-size turbo, it delivers strong flow potential while keeping cost competitive. This is the right choice for builders who need big power potential from a proven, well-supported turbo platform.
Specifications
- Compressor Wheel Inducer: 67.3mm
- Compressor Wheel Exducer: 84.4mm
- Compressor Wheel Trim: 64
- Turbine Wheel Inducer: 74.2mm
- Turbine Wheel Exducer: 64.6mm
- Turbine Wheel Trim: 76
- Turbine Housing A/R: 1.06
- Turbine Inlet: T3
- Turbine Outlet: GT 3″ V-Band
- Compressor Housing Frame: T04S Frame
- Compressor Inlet: 4″
- Compressor Outlet: 2.5″
- Compressor Housing Feature: Built-in & machined anti-surge
- Bearing Type: Journal bearing
- HP Potential: 950HP potential flow
- Garrett P/N: GTW3884JB
- Also Known As: GTW6765JB
Performance & Application
The GTW3884JB is engineered for high-output builds that demand strong flow capacity from a journal bearing platform. Its T3 inlet and GT 3″ V-Band outlet turbine housing with 1.06 A/R is configured for efficient spool-up while sustaining power delivery across the RPM range. As part of the GTW Series, it serves as Garrett’s performance-oriented alternative to the widely used 6766-size turbo, offering strong value for enthusiasts chasing big horsepower numbers. This turbo suits builders looking for a journal bearing option capable of supporting substantial power levels without the premium cost of a ball bearing unit.
Frequently Asked Questions
- What HP can the GTW3884JB support?
- The GTW3884JB offers 950HP potential flow.
- Is this a ball bearing or journal bearing turbo?
- The GTW3884JB is a journal bearing turbo.
- What is the A/R ratio of the turbine housing?
- The turbine housing has a 1.06 A/R ratio.
- What does GTW6765JB refer to?
- GTW6765JB is an alternate designation (aka) for the Garrett GTW3884JB.
For enthusiasts seeking a journal bearing turbo that delivers serious flow potential at a competitive price, the Garrett GTW3884JB stands out as a proven, purpose-built solution in the GTW Series lineup.
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