Description
The highest power small-frame EFR turbo, EFR7163 is designed specifically for competitive racing use. State of the art ‘Mixed-Flow Gamma-Ti Turbine Wheel’ design allows for remarkable spool and huge power bands. This unique turbocharger is literally an off-the-shelf Indycar turbocharger, used as twin turbos by all current Indy Racing League teams.
Turbo Features:
- Mixed Flow Gamma-Ti turbine wheel
- Forged milled extended tip compressor wheel
- Military-grade dual ceramic ball bearing assembly with silver plated metal cage
- Stainless steel turbine housing
- Water cooled light-weight Aluminum bearing housing
- Large internal wastegate (optional)
- Compressor recirculation valve (aka BOV)
- Boost control solenoid valve
- T25, T4 and V-Band Turbine Housing options to fit a variety of installations
- Optional Turbo Speed Sensor Kit
- Optional Turbo Speed Gauge
Compressor Specifications
-
- Compressor Type: Forged-Milled Wheel (FMW) Extended Tip
- Compressor Wheel OD (exducer): 71mm
- Compressor Wheel Inducer: 57mm
- Compressor Wheel Trim: 64
- Max Flow Rate: 60 lb/min
- Compressor Housing: 2.5″ hose coupler inlet, 2.0″ hose coupler outlet
- Built-in BOV: All EFR compressor housings incorporate an integrated BOV.
- Connections:
- Inlet: 2.5″ Hose Coupler
- Outlet: 2.0″ Hose Coupler
Turbine Specifications
- Turbine type: Low Inertia Gamma-Ti Turbine Wheel
- Turbine Wheel OD: 58mm
- Stainless Steel Sand cast Housing
- 0.64 A/R T25 Undivided (Internal WG) – Part # 179388
- Turbine outlet: GT-Vband (aka small 3″ vband) ~92mm OD for all EFR turbos
Features
- Dual Row Ceramic Ball Bearings – lowest friction and fastest spool/response, most extreme durability, built-in 2mm oil restrictor
- Watercooled Center Section – watercooling is recommended, 14mm banjo bolts
- Double seals on both turbine and compressor end for extreme durability and resistance to any oil seepage
- Boost Control Solenoid Valve Integrated to Compressor Housing
- Integrated Speed Sensor mounting provision
- Optional Turbo Speed Sensor Kit
- Optional Turbo Speed Gauge
7163 V-Band 0.85 A/R EWG Photos:
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