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BorgWarner EFR 7064 Turbo


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EFR 7064 is an excellent turbocharger for drift, road racing and street driven applications. The 7064 delivers incredibly fast spool and response while working well on stock and heavily modified engines. The 70mm OD compressor has a 52.2mm inducer and at 56lb/min max flow – there is potential for 560hp – unheard of for this size compressor wheel. The low inertia 64mm Gamma-Ti turbine wheel is the optimal match for the 70mm 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 350-560hp range, or as twin turbo applications 650-1000+hp. Ceramic Ball Bearing only, watercooling recommended.

Compressor Specifications

Compressor Type: Forged-Milled Wheel (FMW) Extended Tip ** picture of EFR 7064 compwheel

Compressor Wheel OD (exducer): 70mm

Compressor Wheel Inducer: 52.2mm

Max Flow Rate: 56 lb/min

Compressor Housing: 3.5″ Ported shroud inlet, 2.0″ hose coupler outlet

Built-in BOV: All EFR compressor housings incorporate an integrated BOV.


Inlet: 3.5″ Hose Coupler

Outlet: 2.0″ Hose Coupler w/ integrated Vband option

 Turbine Specifications

Turbine type: Low Inertia Gamma-Ti Turbine Wheel

Turbine Wheel OD: 64mm

Stainless Steel Investment cast Housing
The EFR 7064 is available in (3) different turbine housing configurations:

0.83 A/R T3 Undivided (Internal WG) – Part # 179355

0.92 A/R T4 Twin Scroll (Internal WG)- Part # 179389

1.05 A/R T4 Twin Scroll (External WG)- Part # 179391

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

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