Turbosmart Borg Warner EFR Twin Port B2 Single/Twin Scroll 14PSI TS-0620-3143

Borg Warner EFR Twin Port B2 Single/Twin Scroll 14PSI TS-0620-3143

It is all about control

• The Twin Port IWG-75 uses the air-pressure differential between two sealed chambers to create a dynamic force which overcomes the mechanical spring force in the actuator. Creating a boost curve that is much more precise, and allows for a much wider boost range between minimum boost and maximum boost, than the single tier control offered by conventional actuators.
• This makes the Twin Port IWG-75 ideal for traction limited applications, such as front-wheel drive or drag racing vehicles.
• The IWG-75 is released to suit Borg Warner’s EFR range of high performance internally wastegated turbochargers, along with a universal fit model, with more applications coming in the future.
• The Turbosmart wastegate actuator range has been designed as a stronger, more reliable replacement for OEM parts. Like all Turbosmart parts, billet construction means they are stronger and more durable than a stock actuator, while Turbosmart’s focus on performance means boost comes on faster and holds on longer.

• For a non-clevis type actuator, the preload is set by adjusting both of the M6 nuts together accordingly. The thread on the rod is M6x1.0
  which means that one full turn of the nut equals 1mm change in rod extension, hence 1mm of preload. To set preload, hand-tighten the
  preload adjustment nut (nut A) clockwise to hold the wastegate flap shut. Now, use a 10mm spanner to turn nut-A two complete turns in
  a clockwise direction. The preload is now set to 2 mm. To lock the preload setting, tighten the preload lock nut (Nut-B) in an
  anticlockwise direction until it is hand-tight against the wastegate valve arm. Use a torque wrench to tighten both nuts to 6.5Nm (4.79 ftlb).
  Confirm that preload is set correctly by applying air pressure (do not apply air pressure supply higher than 3 bar (40psi) gauge) to the
  top cap of the IWG, the rod should move without hesitation once the air pressure applied to the cap of IWG is higher than the spring
  pressure.

The Turbosmart IWG-75 actuator range features:

• Stable boost control
• Improved boost response
• Flatter boost curve in the top end
• Interchangeable springs for a great range of boost levels
• Suits Borg Warner EFR B2 Single/Twin Scroll series turbos.
• Fitting Hardware, Brown/Purple 7psi Middle Spring and Brown/Pink 7psi Outer Spring (installed).

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