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BorgWarner EFR 7670 Turbo (12769097001)
BW’s EFR 7670 is ideal for responsive street driven vehicles as well as road racing and time attack applications. EFR7670 delivers early spool with a healthy 64lb/min compressor flow.
BW utilizes their 70mm Gamma-Ti turbine wheel as the optimal match for the 57.2mm inducer / 76mm exducer FMW compressor for unmatched response. This turbo uses the mid-size EFR ported-shroud compressor housing, great for fitment in cramped engine bays. An excellent fit for use in single turbo applications for the 400-600hp range (up to 2.6L), or as twin turbo applications 800-1200+hp. Ceramic Ball Bearing only, watercooling recommended.
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 BOV.
- Compressor Housing Connections: [list] [*]Inlet: 3.5″ Hose Coupler
- Outlet: 2.0″ Hose Coupler
Turbine Specifications
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- Turbine Type: Low Inertia Gamma-Ti Turbine Wheel
- Turbine Wheel OD: 70mm
- Stainless Steel Sand cast Housing
The EFR 7670 is available in (3) different turbine housing configurations:
- 0.83 A/R T3 Single Scroll (Internal WG) – Part # 179351
- 0.92 A/R T4 Twin Scroll (Internal WG) – Part # 179390
- 1.05 A/R T4 Twin Scroll (external WG) – Part # 179392
- Turbine outlet: GT-Vband (aka small 3″ vband) ~92mm OD for all EFR turbos
0.83 A/R T3 Single Scroll (Internal WG)
0.92 A/R T4 Twin Scroll (Internal WG)
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
- Optional Turbo Speed Sensor Kit
- Optional Turbo Speed Gauge
| Weight | 30 lbs |
|---|---|
| Dimensions | 15 x 15 x 14 in |
Results
EFR7670 1.05 a/r on 2jzgte supra @20psi and pump gas
BorgWarner EFR 7670 1.05 A/R Twin Scroll: dyno plot courtesy of MADevelopments in the UK. Full-Race EVO Twin Scroll Turbo Kit (dual MVS), 2.0L engine, stock cyl head ports, stock valves, stock intake manifold, just JUN 272 cams + valve springs, on Shell 99RON pump fuel
Ben Denker’s time attack Evo8: Full-Race EVO Twin Scroll Turbo Kit (dual 38mm MVS wastegates), 2.3L, HKS 280 cams, stock intake manifold, 1600cc injectors + E85, 30psi boost
Fastest 2011 Moscow street Evo by Zver: Full Race Twin Scroll Evo Turbo Kit, BW EFR 7670, Kelford 280 Cams, Cosworth springs, Mahle pistons, Manley rods
Moore Tuning 2.2L Evo X, 93octane + Meth: EFR7670 1.05 a/r VS EFR9180 1.05 a/r AND EFR7670 1.05 VS stock evoX turbo
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- Fuel: ID1300 Injectors, Walbro 450 Fuel Pump, 93 Octane + Meth
- Engine:STOCK Sleeves, Head, Intake Manifold, and Throttle Body Moore Automotive Built 2.2L (Manley 94mm Stroker Kit with Turbo Tuff Rods and ACL Bearings),AMS TMP Cams, Kelford Valve Springs, Ferrea Intake Valves, SuperTech Inconel Exhaust Valves, Cosworth 1.3mm HeadGasket, ARP 625+ Head Studs
- Turbo: T4 Twin-Scroll Turbo Manifold, BorgWarner EFR7670 1.05 a/r Turbo, (2) Tial MV-S Wastegates
- Plumbing: Moore Automotive Custom 3.5″ Turbo-back Exhaust and Dump Tubes, 3.5″ Intake, 2.5″ UICP, 2.75″ LICP, ETS 4″ Intercooler
- Driveline: Exedy Triple Disc Clutch, Jack’s Built Transmission
Jeff Evans Drift S14 240sx | Daily Tune 001
2.6L RB25 w/ Full-Race IWG Manifold and EFR7670 0.92 A/R IWG
Built RB25, EFR7670 twinscroll, Formula Drift Pro Drifter Ryan Litteral 450hp Nissan S14 240sx @24psi boost
Zabe’s 450hp EvoX autocrossing @22psi boost, pumpgas
Toyota 2JZGTE stock motor, 1 bar boost
Nick’s Honda S2000 equipped with Full-Race Motorsports Twinscroll BorgWarner EFR turbo kit, on the dyno at 1Bar boost, tuned on Hondata by Vit
Install
- BorgWarner EFR Installation Guidelines
- For help setting up your EFR WG please read this PDF document.
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