Borg Warner S257 SXE Turbo

Description

Utilizing the latest generation aerodynamics, billet EFR compressor wheels, and uprated 360 degree thrust assemblies, BorgWarner’s all new ‘SX-Enhanced’ turbos redefine performance, durability and value for modern turbochargers.

BW utilizes their 70mm Inconel turbine wheel with the 57.2mm inducer / 76mm exducer FMW compressor in a purpose built S200 SXE compressor housing. Smaller overall packaging than the EFR7670 with identical airflow rates make this an excellent match for the 400-600hp range (up to 2.6L) or as twin turbos in 700-1100hp applications. Oil-Cooled Journal Bearing only.

Compressor Specifications

• Compressor Type: Forged-Milled Wheel (FMW) Extended Tip
• Compressor Wheel OD (exducer): 76mm
• Compressor Wheel Inducer: 57.15mm
• Max Flow Rate: 64 lb/min
• Compressor Housing Connections:
  • Inlet: 4.0″ Hose Coupler
  • Outlet: 2″ Hose Coupler

Turbine Specifications

• Turbine Type: Inconel S200SX Turbine Wheel
• Turbine Wheel OD: 70mm
• Housing Material: D5S sandcast
• Housing size and A/R ratio: S200SXE 7670 is available in (5) different turbine housing configurations:
  • 0.70 A/R T3 Single Scroll
  • 0.83 A/R T4 Twin Scroll
  • 1.00 A/R T4 Twin Scroll
  • 1.15 A/R T4 Twin Scroll
  • 1.22 A/R T4 Twin Scroll
• Turbine outlet: 3″ Marmon

BorgWarner’s S200 SX-Enahnced 57mm Turbo Features:

• 57mm Forged-Milled EFR7670 compressor wheel, optimized aerodynamics
• 4″ inlet / 2″ outlet compressor housing with new aero, integrated speed sensor port and pre-machined boost port
• all-new severe duty 360 degree thrust bearing
• Interchangeable with existing turbine housings
• Inconel 70mm turbine wheel, same blade shape as EFR7670