Borg Warner EFR Series 8374 TurbochargerEFR 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
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