The Garrett GTW3884R is a purpose-built 67mm ball bearing turbocharger engineered for enthusiasts chasing serious top-end power without sacrificing usable response. Part of Garrett’s GTW Series, it’s positioned as a performance-focused alternative to the popular 6766 class of turbochargers, delivering strong flow characteristics at a competitive price point. This is the turbo for builders who want big-turbo output on high-displacement engines without stepping up to a full frame size larger.
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: .82
- Turbine Housing Inlet: T3 Undivided Inlet
- Turbine Housing Outlet: Welded GT 3″ V-Band Outlet
- Compressor Housing: T04S Frame with 4″ inlet, 2.5″ outlet, and built-in & machined anti-surge
- Bearing System: Ball Bearing
- HP Potential: 950HP potential flow
- Garrett P/N: GTW3884R
- Also Known As: GTW6765R
Performance & Application
The GTW3884R is built for high-displacement engines targeting big horsepower numbers, with a 64-trim compressor wheel and 76-trim turbine wheel combination designed to deliver a broad, usable power curve rather than a narrow spike. The .82 A/R turbine housing balances spool characteristics against the turbo’s substantial top-end flow potential, making it well suited to builds where sustained high-RPM output matters as much as overall capacity. As Garrett’s performance-oriented take on the widely used 6766 turbo size, it’s aimed at enthusiasts who want proven big-turbo performance without paying a premium for it. This is a turbo for serious builds, not daily-driver mild upgrades.
Frequently Asked Questions
- What horsepower can the GTW3884R support?
- The GTW3884R has a 950HP potential flow rating.
- Is the GTW3884R a ball bearing or journal bearing turbo?
- The GTW3884R is a ball bearing turbocharger.
- What A/R ratio does the GTW3884R turbine housing use?
- It comes with a .82 A/R turbine housing.
- What does GTW6765R refer to?
- GTW6765R is an alternate name for the Garrett GTW3884R.
For builders who want the flow capacity and broad power delivery of a 6766-class turbo backed by Garrett’s GTW Series engineering, the GTW3884R delivers serious performance at a competitive price.
Reviews
There are no reviews yet.