Garrett G40 Turbine Housing Kits
From $862.85
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Garrett
Garrett G-Series G40-1150 71mm Turbocharger
$3,369.47
SPECIAL ORDER
TURBINE HOUSING
PRODUCT DETAILS
The G-Series G40-1150 71mm is a Garrett G-Series large-frame turbo. It uses a ball bearing cartridge with steel cages, an Inconel turbine wheel and a lightweight aluminum backplate, with fully machined speed sensor and pressure ports. Water fittings are included with the supercore, and the stainless steel turbine housings are sold as the variants below.
Garrett rates the G-Series G40-1150 71mm for 500 to 1,150 horsepower on 2.0 to 6.0 liter engines.
Key Specifications
- Series — G-Series
- Frame size — 40 frame
- Horsepower rating — 500–1,150 hp (Garrett rating)
- Engine displacement — 2.0–6.0 L
- Compressor wheel — 71 mm inducer, 88 mm exducer, 65 trim, 0.80 A/R housing
- Turbine wheel — 77 mm inducer, 70 mm exducer, 84 trim
- Bearing — Dual ceramic ball bearing
- Center housing — Oil and water cooled
- Maximum turbo speed — 125,000 rpm
- Supercore part number — 860777-5002S
Turbine Housing Options
Each turbine housing is listed by A/R (area-to-radius ratio), inlet flange, outlet and wastegate type. "Internal" housings have a built-in wastegate; "External" housings are free-float designs that require an external wastegate.
| Garrett part number | A/R | Inlet | Outlet | Wastegate | Divided |
|---|---|---|---|---|---|
| 757707-0027 | 0.85 | V-Band | V-Band | External | No |
| 757707-0028 | 0.95 | V-Band | V-Band | External | No |
| 757707-0029 | 1.06 | V-Band | V-Band | External | No |
| 757707-0030 | 1.19 | V-Band | V-Band | External | No |
| 757707-0032 | 0.85 | T4 | V-Band | External | Yes |
| 757707-0033 | 0.95 | T4 | V-Band | External | Yes |
| 757707-0034 | 1.06 | T4 | V-Band | External | Yes |
| 757707-0035 | 1.19 | T4 | V-Band | External | Yes |
Important Information
Garrett calculates its horsepower ratings from the compressor map choke flow, which represents the potential flywheel horsepower of the turbo. Actual results depend on the engine, supporting modifications and calibration.
Garrett sets the maximum allowable speed for this turbo at 125,000 rpm. Operating above that speed can damage the turbo and cause premature failure. A turbo speed sensor (sold separately) lets you monitor shaft speed.
For race vehicles only. Not for use on public roads.
Installation and Tuning Available at Race Protocol
Turbo system design, installation and dyno tuning are available in house. Call (724) 732-8948 to discuss your build.
