What’s Happening at Garrett -
08/24/2019

Garrett G30-660 and G30-770 Turbochargers Combine High Flowing, Efficient Aero In A Compact Package

The Garrett G30-660 and G30-770 Turbochargers

Garrett G Series turbochargers feature advanced compressor and turbine aero to offer enthusiasts a wide range of performance boosting solutions for 2.0L – 3.5L engine platforms. The G30-660 and G30-770 are available in standard and reverse rotation options for twin turbo applications or for turbo setups that need a reverse rotation turbo like the Mitsubishi Evo 4 – 9. Turbine housings are offered in a variety of stainless steel configurations making it easy mount and tune your application. The dual ceramic ball bearing cartridge helps improve boost response and durability.

New G Series 30 turbochargers have a larger trim compared to GTX models. Wheel trim is a ratio of the inducer to exducer of a compressor wheel and exducer to inducer of the turbine wheel. The larger the trim, the less difference you have What is Wheel Trimbetween inducer and exducer.
Compressor Trim = (inducer² / exducer²) x 100
Turbine Trim= (exducer² / inducer²) x 100

 

 

 

 

Compressor Inducer 54mm | Compressor Exducer 67mm

Turbine Inducer 60mm  |  Turbine Exducer 55mm

Compressor Inducer 58mm | Compressor Exducer 71mm

Turbine Inducer 60mm  |  Turbine Exducer 55mm

 

Compressor Stage Features

  • Standard and reverse rotation configurations for all G30 models                                        G30 Compressor Stage
  • Fully machined ported shroud to help reduce compressor surge
  • Speed sensor port provides racers the option to add a speed sensor. Comparing shaft speed and boost levels on a compressor map will help determine ideal operating conditions to ensure peak power over a wider operating range.
  • Speed Sensor Kits: G Series speed sensor kits have new part numbers and are notcompatible with GT/GTX kits. Easier to install and does not need to be adjusted for length like previous sensors. Simply remove bolt that secures the plug, insert the speed sensor and re-tighten the bolt.
  • G Series Street Kit: 781328-0003 (includes speed sensor, wire harness, gauge)
  • G Series Pro Kit: 781328-0004 (includes speed sensor, wire harness)
  • Fully machined pressure port. Used to supply external wastegates with pressure signal.
  • An O-ring between the compressor housing and backplate reduces any boost pressure leakage.

 

Center Housing                                                Center Housing Features

  • Water cooled design allows optimum cooling
  • 4 water ports provide more installation options
  • Water fittings, plugs, and oil restrictor included (.035” restrictor)
  • One piece center housing and backplate
  • Center housing to turbine housing V-band connection to make installation quick and easy

 

Aerodynamics and Rotor GroupG30 Aero and Rotor Group

Compressor Wheel
CFD engineered, forged fully-machined compressor wheel
Wider compressor maps for a larger operating area
9 blade count

Bearing
8mm dual ceramic ball bearing
Twin piston rings on comp and turbine stage

Turbine Wheel
Mar-M Turbine wheel construction
High temperature rated up to 1050°C | 1922°F
Turbine flow is 5% higher than GTX

 

Turbine Housings

  • V-band configurations have 360 degree clockabilityG30 Turbine Housing
  • Stainless steel turbine housings for temperatures up to 1050°C | 1922°F
  • 3 inch (76.2mm) V-band inlet (same as GTX)
  • 3.5 inch (90.16mm) V-band outlet (same as GTX)
  • V-band 0.61 and 0.83 configurations available at launch
  • Additional housing configurations TBD

 

Features:
• New G Series compressor wheel aerodynamics
• Fully machined speed sensor and pressure ports
• Standard and reverse rotation configurations available
• Oil restrictor and water fittings included with purchase
• One piece center housing and backplate for increased durability
• 4 water jacket ports for customizable installation
• Mar-M turbine wheel material rated up to 1050° C | 1922° F
• Stainless steel turbine housings for temperatures up to 1050° C | 1922° F

 

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