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EFR Turbos by BorgWarner

EFR 8374 EFR 9180

Borgwarner Turbosystems has created a new "EFR" (Engineered For Racing) turbocharger program for racing applications. EFR turbochargers will provide improved drivability and low-end throttle response compared to current OEM turbochargers. They include features to minimize add-on's and installation headaches.

Low Inertia Turbine Wheel - Gamma-Ti turbine wheel cuts turbine inertia by roughly 50% dramatically improving turbo response. Turbine sizes range from 55 to 80mm in exducer diameter.

Heat Resistant Turbine Housings - Investment cast stainless steel turbine housings improve durability and offer an offer extremely smooth internal flow channel. Turbine housings have thin walls to reduce weight and thermal inertia.

High Turbine Efficiency - Superback” and “Fullback” back-disk shapes offer very high efficiencies. The Superback shape adds a curved profile to the backdisk and has the effect of lowering centrifugal stress and permitting higher rotational speeds.

Enhanced Turbo Response - EFR turbochargers use a dual-row ball bearing cartridge with ceramic balls and metal cage. This bearing system provides substantial friction reduction at low turbo speeds and in the process helps improve turbo response. Metal cage improved the durability of the ball bearing assembly.

Flexible Compressor Cover - The EFR turbo “large” cover has a dual-machined outlet, both for a hose connection and a v-band connection.

Simplified Installation - Integrated compressor recirculation valve (CRV) to help avoid compressor surge and backflow during a throttle lift event. This feature helps to simplify the installation task and lowers overall system install cost.

Forged Milled Compressor Wheels (FMW) - EFR turbos contain wheels that are fully milled from forged aluminum, commonly known as “billet”. Cut from custom forgings, their strength exceeds that which is available from typical bar-stock and also exceeds the material properties of an aluminum casting.

Sensor mounting convenience - Speed sensor mounting provisions are also supplied on every compressor cover. Speed sensors are sold separately.

Boost Control Solenoid Valve (BCSV) - A boost control solenoid valve (BCSV) is included with every EFR turbo.

High Flow Wastegates - Purpose designed large wastegate ports give the wastegated EFR turbos the capability of handling the flow requirements of high performance applications.

Ease of Orientation - Turbo orientation flexibility is facilitated by the wastegate bracket to bearing housing mounting arrangement.

Adjustable Wastegate
- The fabrication and installation task is simplified with wastegated EFR models that feature adjustable wastegates available in three different canister sizes.

Download the BorgWarner EFR Turbochargers Technical Training Guide

Contact BD Diesel Performance and ask a sales associate for pricing and part number details today!

Product Warranty

EFR 8374
EFR 9180

(179358, 179394, 179424)

Not for sale to licensed California vehicles