Garrett GTW3684R Dual Ball Bearing Turbo

GTW Series Turbochargers were designed to provide budget-minded enthusiasts with a high-performing mid frame product offering available in ball bearing and journal bearing options. Garrett's GTW3684R dual ball bearing or journal bearing turbo with ultra high flow compressor wheel featuring Garrett 8-Blade technology.  Compressor housing is has 4″ inlet and 2.5″ outlet with built in anti-surge ported shroud design for Surge Resistance. Sold as Complete Assembly with Supercore and Turbine Housing. New fully machined Speed Sensor Port.

The fully-machined billet aluminum compressor wheels provide optimal horsepower range and boost response. Ported shroud compressor housings increase surge resistance and provide reliable, continuous power throughout the power band. A lightweight aluminum backplate comes standard on all GTW turbochargers and reduces overall weight.

The water cooled CHRA keeps housing temperatures to a minimum. The GTW3476 and GTW3884 turbine wheels are constructed from Inconel, a Super Alloy that maintains strength during prolonged exposure to high exhaust gas temperatures. Turbine kits are offered in open volute and twin scroll, and a variety of A/R and flange configurations. The GTW is a cost effective option for enthusiasts looking to turbocharge their vehicles.

Compressor Map

Compressor Specifications

• Compressor Wheel Exducer: 84mm
• Compressor Wheel Inducer: 62mm
• Compressor Wheel Trim: 54
• Compressor Wheel A/R: 0.70 A/R
• Max Flow Rate: 74 lb/min
• Max Recommended Turbo Shaft Speed: 130000 RPM
• Compressor Housing Connections:
  • Inlet: 4.0″ Hose Coupler
  • Outlet: 2.5″ Hose Coupler

Turbine Specifications

• Turbine Wheel Exducer: 62mm
• Turbine Wheel Inducer: 71mm
• Turbine Wheel Trim: 76
• Housing Size and A/R ratio: GTW3684R is available in three (3) different turbine housing configurations:
  • 0.70 A/R T4 Twin Scroll Inlet, V-Band Outlet
  • 1.00 A/R T4 Twin Scroll Inlet, V-Band Outlet
  • 1.15 A/R T4 Twin Scroll Inlet, V-Band Outlet