BorgWarner EFR 8374 Product Details:
The BorgWarner EFR 8374 (179393) 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 reducer 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, water cooling optional (recommended)
Compressor Specifications:
-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 Specifications:
-Turbine Type: Low Inertia Gamma-Ti Turbine Wheel
-Turbine Wheel OD: 74mm
-Stainless Steel Sand cast Housing-
-1.05 A/R T4 Twin Scroll (External WG)
-Turbine outlet: GT-Vband (aka small 3″ vband) ~92mm OD for all EFR turbos
Product Features:
-Dual Row Ceramic Ball Bearings – lowest friction and fastest spool/response, most extreme durability, built-in oil control orifice – (aka 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 provisions