Borg Warner EFR Series 8374 Turbocharger

Borg Warner EFR Series 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 the optimal match for the 62.6mm inducer / 83mm exducer FMW compressor wheel and is capable of 79lb/min airflow and 45+psi boost. 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 >1400+hp. Ceramic Ball Bearing only, watercooling optional (recommended)

Compressor Specifications:

• Compressor Type: Forged-Milled Wheel (FMW) Extended Tip
• Compressor Wheel OD (exducer): 83 mm
• Compressor Wheel Inducer: 62.6 mm
• Max Flow Rate: 79 lb/min
• Built-in BOV: All EFR compressor housings incorporate an integrated BOV.
• Compressor Housing Connections:

          o Inlet: 4" Ported Shroud Hose Coupler
          o Outlet: 2.5" Hose Coupler w/ integrated Vband option

Turbine Specifications:

• Turbine Type: Low Inertia Gamma-Ti Turbine Wheel
• Turbine Wheel OD: 74 mm
• Stainless Steel Investment cast Housing

      The EFR 8374 is available in (3) different turbine housing configurations:
          o 0.83 A/R T3 undivided (Internal WG)
          o 0.92 A/R T4 twinscroll (Internal WG)
          o 1.05 A/R T4 twinscroll (external WG)

• 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 oil control orifice - (aka oil restrictor) **no restrictor can be used with EFR turbos
• 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 provisions