BorgWarner EFR 7670 Turbo

The BorgWarner EFR 7670 Turbo Is Perfect for Single or Twin-Turbo Applications

BorgWarner's EFR 7670 is ideal for responsive autocross, road racing, and time attack applications. The EFR 7670 delivers an early spool with a healthy 64lb/min compressor flow, It is an excellent fit for use in single turbo applications for the 400-600hp range (up to 2.6L), or as twin turbo applications 700-1100hp.

BorgWarner utilizes their 70mm Gamma-Ti turbine wheel as the optimal match for the 57.2mm inducer / 76mm exducer FMW compressor for an unmatched response. This turbo uses the mid-size EFR ported-shroud compressor housing, with a 3.5" inlet and 2.0" outlet. It features ceramic ball bearings, giving you more responsive power and extreme durability. We recommend watercooling for this turbo.

Compressor Specifications

• 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 compressor recirculation valve
• Compressor inlet: 3.5″ Ported Shroud Hose Coupler
• Compressor outlet: 2.0″ Hose Coupler w/ integrated Vband option
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Turbine Specifications

• Turbine type: Low Inertia Gamma-Ti Turbine Wheel
• Turbine wheel OD: 70mm
• Stainless steel turbine housing
• Turbine outlet: GT V-Band (aka 3″ V-Band) ~92mm OD for all EFR turbo
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Features

• Dual row ceramic ball bearings offer the lowest friction and fastest spool/response, most extreme durability, built-in 2mm 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 into the compressor housing
• Integrated speed sensor mounting provisions
• Optional Turbo Speed Sensor Kit
• Optional Turbo Speed Gauge
• The EFR 9274 is available in (4) different turbine housing configurations:
  • 0.83 A/R T3 Undivided (Internal WG) #12741008000
  • 0.92 A/R T4 Twin Scroll (Internal WG) #12741008001
  • 1.05 A/R T4 Twin Scroll (External WG) #12741019002
  • 1.45 A/R T4 Twin Scroll (External WG) #12741008003

Recommended Optional Accessories

Up your turbocharged game a little more with the following accessories:

• Full-Race 3" EFR V-band Clamp
• Borgwarner ERF 3" Downpipe V-band Flange
• Turbo Speed Sensor Kit
• Turbo Speed Gauge TSG-1