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BorgWarner EFR 8374 Turbo (12839097000)
EFR 8374 is engineered to support big power levels yet spool fast enough for professional time attack teams. The 74mm Gamma-Ti turbine wheel is an optimal match for the 62.6mm inducer / 83mm exducer FMW compressor wheel and is capable of 79lb/min airflow. 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 up to 1300hp. Ceramic Ball Bearing only, watercooling 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 Turbine Housing – The EFR 8374 is available in (3) different turbine housing configurations, all use 3″ vband (92mm OD): [list]
- 0.83 A/R T3 Single Scroll (Internal WG) – Part # 179258
- 0.92 A/R T4 Twin Scroll (Internal WG)- Part # 179357
- 1.05 A/R T4 Twin scroll (external WG)- Part # 179393
Features
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- Dual Row Ceramic Ball Bearings – 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 to Compressor Housing
- Integrated Speed Sensor mounting provisions
- Optional Turbo Speed Sensor Kit
- Optional Turbo Speed Gauge
1.05 A/R T4 Twin Scroll (external WG)
Optional 2000 Degree Coating
Additional Photos
0.83 A/R T3 Single Scroll (Internal WG)
Optional 2000 Degree Coating
0.92 A/R T4 Twin Scroll (Internal WG)
Optional 2000 Degree Coating
| Weight | 30 lbs |
|---|---|
| Dimensions | 15 × 15 × 14 in |
| Brand | BorgWarner |
1 review for BorgWarner EFR 8374 Turbo
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Mike –
After having my RSX N/A build (232whp/155tq) for awhile I was looking to add more power to the car. I knew I wanted to go turbo, so I started looking around and getting more info about it. Once I had an idea of where I wanted the build to go I called up Full-Race and talked to them. They helped me pick out the BorgWarner EFR 8374 Twin Scroll Kit. They said it would fit my power goals and also be fast spooling. I didn’t know much about them at the time but I knew the company and the other turbos they had made so I went with it. Got the kit installed and absolutely love it. The turbo spools up insanely quick and the power/tq you can get out of this was over my power goals. I also like the fact that the kit was all inclusive. I didn’t need to get a BOV, 2 wastegates, 2 dump tubs and boost control. The fitment is very nice as well if you ever worked on an RSX then you know there is not much room. Overall I really enjoy this kits and would recommend it to anyone looking for a mid to high HP.