BorgWarner EFR 8374 Turbocharger
The EFR 8374 yields quick spools with huge power potential. This turbo is one of the most exciting in the EFR lineup. Best used in 375-650hp applications.
BorgWarner EFR 8374 Turbocharger
EFR 8374 is engineered to support big power levels yet spool fast enough for professional time attack teams. The 74mm Gamma-Ti turbine wheel is an optimal match for the 62.6mm inducer / 83mm exducer FMW compressor wheel and is capable of 79lb/min airflow. This is one of the most exciting turbos in the EFR lineup for the high-power addicts. This turbo has the largest EFR compressor housing and is ideal for use in single turbo applications for the 500-800hp range, or as twin turbo applications up to 1300hp. Ceramic Ball Bearing only, water-cooling optional (recommended)
Compressor Specs
- Compressor Type: Forged-Milled Wheel (FMW) Extended Tip
- Compressor Wheel OD (exducer): 83mm
- Compressor Wheel Inducer: 62.6mm
- Max Flow Rate: 79 lb/min
- Built-in BOV: All EFR compressor housings incorporate an integrated BOV.
- Compressor Housing Connections:
- Inlet: 4″ Ported Shroud Hose Coupler
- Outlet: 2.5″ Hose Coupler w/ integrated Vband option
Turbine Specs
- Turbine Type: Low Inertia Gamma-Ti Turbine Wheel
- Turbine Wheel OD: 74mm
- Stainless Steel Turbine Housing – The EFR 8374 is available in (3) different turbine housing configurations, all use 3″ V-band (92mm OD):
- 0.83 A/R T3 Single Scroll (Internal WG) – Part # 179258
- 0.92 A/R T4 Twin Scroll (Internal WG)- Part # 179357
- 1.05 A/R T4 Twin scroll (external WG)- Part # 179393
Features
- Dual Row Ceramic Ball Bearings – lowest friction and fastest spool/response, most extreme durability, built-in oil control orifice – (aka oil restrictor) **no restrictor can be used with EFR turbos
- Watercooled Center Section – water cooling 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 provisions
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