No tuning is generally required when replacing a USDM 2AZ-FE with a JDM 2AZ-FE engine
Contamination from the previous unit is the #1 cause of replacement transmission failure
you must use the JDM downpipe
Fitment: 2002-2004 Honda Odyssey
Flywheel/Damper: Ensure you use the hybrid Transaxle Damper (Flywheel) that is currently on your vehicle to ensure a smooth transition between gas and electric power
2000-2005 Subaru Forester JDM EJ20 | 2.0L H4 SOHC Engine EJ203 (Replacement for 2.5L) Fits 2016-2018 Toyota RAV4 Hybrid No tuning is generally requiredFeature Detail Engine Code EJ20 EJ203 (JDM SOHC) Displacement 2. 0 Liter Configuration Horizontally Opposed (Flat Four) Valve Train SOHC 16 Valve Replacement For USDM 2. 5L EJ251 EJ253 Horsepower Approx. 140148 hp Torque 137 lb ft @ 4400 RPM Vehicle Fitment This engine is the top rated replacement engine for the following North American models: Subaru Forester (L, S, X, XS): 2000, 2001, 2002, 2003, 2004, 2005 Chassis Compatibility: SF and SG chassis