EJ205 AVCS 2002-2005 SUBARU WRX FORESTER LEGACY JDM TURBO COMPLETE ENGINE EJ20T

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- Genuine JDM Low Mileage Used Complete 2002 - 2005 Subaru Forester Impreza WRX 2.0L AVCS JDM EJ205 Engine Only.

- Hand Picked and Imported Directly from a running and driving vehicle in Japan with Less Than 50k Miles

Item is inspected and has average minor wear.

• Complete Motor Assembly
• Intake Manifold
• Fuel Rail and Injectors
• Alternator
• Coil Packs
• Engine Harness (Cut)
• Power Steering Pump
• Pulleys

The JDM Version 8 Subaru Impreza WRX EJ20 Turbo Engine (AVCS) is superior to its USDM cousin in several aspects. As usual, the USDM WRX receives an inferior engine based on the older Version 6 GC8 motor.

The JDM WRX EJ20 on the other hand received an engine with all the bells and whistles that one would expect of a high performance engine. While the 2.0 displacement remains the same, the JDM WRX features a bump in compression (8.0 -> 9.0), better pistons developed using new hyper-cast technology (such as in the USDM STI), more aggressive cam profiles, better head casting, and of course the all mighty AVCS.

For those who are not familiar with AVCS, AVCS is a control device on the intake cams of the engine. Using an oil based pressure system, the cam timing is either retarded or advanced to increase or decrease overlap. This type of overlap essentially helps to create a “perfect” camshaft, allowing maximum power output throughout the power band while also assisting in emissions cleanliness.

The bottom line is the JDM WRX engine (rated at 246HP compared to 227HP) is far superior to the USDM WRX engine, and is what the USDM engine should have been. The improvements significantly reduce the notorious turbo-lag associated with the USDM WRX, allow the JDM engine to respond better to aftermarket modification, and produce a higher power output.

Swapping a JDM WRX engine into a USDM WRX is a fairly straightforward process – the engine drops right in. The stock ECU is fully compatible with this engine, although you will not have the option of controlling AVCS. This is not a problem if you wish to go this route, as the AVCS will default into high lift mode and you will not lose any of the top end power (although you will not enjoy the benefits of the AVCS midrange). If you want to run AVCS this is also not a problem, simply pickup a JDM ECU (we offer these for sale), run a couple of additional wires for the AVCS control, and AVCS is hooked up. An ECU reflash is required for anyone not running less than 96 octane.

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