Borg Warner 7670 EFR - 650hp
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EFR 7670 is ideal for road racing and time attack applications, as well as responsive high power street driven vehicles. Engineered for great spool, quick response and the potential to surpass 640hp - the 7670 is capable of 64lb/min compressor flow - unheard of for this size compressor wheel. The 7670 is an excellent turbocharger for road racing and time attack applications, as well as responsive high power street driven vehicles. The 70mm Gamma-Ti turbine wheel is the optimal match for the 57.2mm inducer / 76mm exducer FMW compressor wheel and is capable of 45+psi boost. This turbo uses the mid-size EFR ported-shroud compressor housing, great for fitment in cramped engine bays. Ideal for use in single turbo applications for the 400-650hp range, or as twin turbo applications 800-1200+hp. Ceramic Ball Bearing only, watercooling recommended (not mandatory)
Compressor Type: Forged-Milled Wheel (FMW) Extended Tip
Compressor Wheel OD (exducer): 76mm
Compressor Wheel Inducer: 57.2mm
Max Flow Rate: 64 lb/min
Built-in BOV: All EFR compressor housings incorporate an integrated BOV.
Compressor Housing Connections:
Inlet: 3.5" Hose Coupler
Outlet: 2.0" Hose Coupler
Turbine Type: Low Inertia Gamma-Ti Turbine Wheel
Turbine Wheel OD: 70mm
Stainless Steel Investment cast Housing
The EFR 7670 is available in
0.83 A/R T3 undivided (Internal WG)
Turbine outlet: GT-Vband (aka small 3" vband) ~92mm OD for all EFR turbos
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
Borg Warner Turbo
Borg Warner is one of the world's largest turbo manufacturers. They manufacture turbochargers for both commercial use in cars, boats and trucks, but also for industry and motorsport. The motorsport turbochargers can take part in the long experience that the company has accumulated over the years. This means that you get a very good product that is competitive against others without that experience.
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