The pistons were coated with molybdenum to reduce friction. It's likely because it's not a good "easy" swap option. 849.00. sold out . The power steering pump is different. The engine speed is limited from the factory at 8000 rpm Cons: Typically high price point with higher mileage. Assuming the wiring harness is sent to us, it would just plug back into the chassis and the new engine and the car is done. DOHC (USDM)(1996) - SAE - 155 hp (116 kW; 157 PS) at 5600 rpm and 190 N⋅m (140 lb⋅ft) of torque at 2800 rpm To do this swap the steps are as as "simple" as, pull the engine from the chassis, swap the cross member, put the new engine in, hook up power steering, AC, exhaust, and radiator. However, when it comes to engine choices there are some simpler options which we will get into below. For the Japanese Domestic Market, the EJ25D was advertised from Jan 1994, and available from October 1994 in the 250T model legacy, and later in the Grand Wagon/Lancaster. The passenger intake camshaft is notched to spin the scavenge pump. The engine has a redline of 6700 rpm. They are most commonly found in MY00 Legacy Outbacks manufactured before the end of 1999 while MY00 Legacy Outbacks manufactured in 2000 are rarely designated with EJ252 codes in the VIN. Blew engine in 2003 subaru impreza 2.5 rs I have a 99 legacy 2.5 gt was wondering if the motor from the legacy is a direct fit. Naturally aspirated and turbocharged versions are available, ranging from 96 to 320 hp (72 to 239 kW; 97 to 324 PS). The EJ18 and EJ20 were most popular in Europe. iWire Recommendation: Stay away from these engines despite the cheap cost. However, when it comes to engine choices there are some simpler options which we will get into below. The Japanese WRX models use the EJ207 from 1999~2001, except the 5-door wagon which also uses the EJ205. The EJ series is the mainstay of Subaru's engine line, with all engines of this series being 16-valve horizontal flat-fours, with configurations available for single, or double-overhead camshaft arrangements (SOHC or DOHC). The ECU has the same number and shape harness plugs as the USDM WRX 2.0. All Subaru EJ engines have a 1-3-2-4 firing order, which, given the longer exhaust runners on cylinders 2 and 4 causes the characteristic "subaru boxer rumble". Cons: Very difficult to swap due to CANBUS issues. Power output is 290 PS (213 kW; 286 bhp) @ 6800 RPM for the Japanese versions and 300 PS for the v3 STI with VF23 turbo. Components located on the intake manifold have been relocated as compared to the 1996 models. It has Dual-AVCS, 9.5:1 CR pistons, E25 heads with provisions for a scavenge oil pump turbo. etc. Phase two closed deck, based on the EJ20K STI engine. This was the first appearance of AVCS (Alongside the EJ204) on an EJ. Closed-deck engine block equipped with Cons: Typically mislabeled by importers, not all wiring components come with engine so need to source extra parts. As viewed from the front of the engine the Number 1 intake valve of each cylinder and the number 2 intake valve have an IN1 marked and IN2 marked rocker arm that mates with it. If it becomes damaged the cylinder head must be replaced. Beginning in the 1997 model year, the engine for 1997 Legacy and Impreza models had internal and external changes that yield an approximately 10% increase in power and 3% increase in fuel economy. The ECU has the same number and shape harness plugs as the USDM WRX 2.0 All engines listed below were installed with a turbocharger and an intercooler: Is not actually a valid code from Subaru, but is mostly used by enthusiasts and mechanics to describe the entire line of turbocharged engines that have been available over time. The seals installed onto the ends of the sparkplug pipes seal against the valve covers and should be replaced when the valve cover is removed. 2003 Subaru Impreza 2.5 RS-Maintenance & Repair. There were no transponder chip's inside the transmitter housing case. Some of the 2005 and later Subaru vehicle Engines (especially the turbo charged engines) are using CAN bus as their sole Vehicle/Vessel speed input channel. It's a lot of work. There are wiring changes, mount changes, mechanical changes, etc and these all depend on what engine and chassis are going to be used. Intake volume is calculated by the use of a MAP sensor, unlike the EJ253 which uses a MAF sensor. Most of the time these are more work to fix than to just start from scratch. Legacy 89-99 Brighton and L only after 96. iWire Recommendation: Possible to do but wouldn't recommend. Piston to cylinder wall clearance has been reduced by increasing the piston diameter. The turbo is a VF37. Power output has been reported as ISO 115 kW (156 hp) but is often speculated to share the same specs with the largely identical EJ251. Different part number 22641AA042. All the EJ series share compatibility and construction similarity and are 16 valved engines. These engines are commonly used in light aircraft, kit cars and engine swaps into air-cooled Volkswagens, and are also popular as a swap into copy wasserboxer engined Volkswagen T3/Vanagon Just make sure that they have AVCS and mechanical cable throttle. The factory deletion is incomplete, even on the Spec C and even on the Type RA. (WRX RA needs confirming). The intake valves are positioned 23 degrees off-center with the exhaust valves positioned 20 degrees off-center. JDM 06-09 SUBARU IMPREZA OUTBACK 2.5L SOHC AVLS ENGINE … The most important tip we can give is to do research before buying anything. It is a basic two-valve-per-cylinder design with siamese ports and three main crankshaft bearings. [14] They also have different cam and crank sprocket reluctor configuration. the cylinder head is a two-rocker shaft, solid type valve system with roller followers. The EJ251 was soon replaced by the EJ253 in many models due to its improved cooling to aid in head gasket life and improved engine management and sensors. USDM Legacy models: Outback (wagon), SUS (sedan '98-'99), LSi ('96-'97), GT. The DOHC engines are therefore installed with platinum spark plugs and an extended spark plug service life of 80,000 miles (128,748 km). US Market Legacy GT/Outback XT MY05~06 250 bhp (253 PS; 186 kW) (New SAE standard), US Market Forester XT MY04-05 210 bhp (213 PS; 157 kW), Asian, European Market Impreza WRX STi 05~present 280 PS (206 kW; 276 hp), 40 kg⋅m (392 N⋅m; 289 lbf⋅ft), This page was last edited on 25 November 2020, at 01:50. After 2001, all WRXs used the EJ205, until 2006 when the USDM WRX model changed engines to the EJ255. The following table has details on a few of the commonly modified Subaru engines: Subaru Turbo Boxer engine won 'best engine' in the 2.0 to 2.5 litre category in both the 2006 and 2008 International Engine of the Year awards. [citation needed]. The only difference in the shortblock of this EJ255 and the 04-06 EJ257 is the pistons. "Easy" Subaru Swap Engine Choices. There is no immobilizer for V8 and for some V9. Because they are non-interference engines, if the timing belt fails, the engine of the models up to 1995 will not be damaged. The spark plugs are specified one step colder, compared with other Sti. Learn how and when to remove this template message, Sequential Multipoint Fuel Injection (SMPFI), https://www.caranddriver.com/subaru/subaru-retires-ej20-engine-wrx-sti-final-edition, "Subaru Exhibition Outline of the 46th Tokyo Motor Show 2019", "Used 1997 Subaru Legacy Wagon Features & Specs - Edmunds", "legacycentral bbs • View topic - Sport Sedan and Touring Wagon Production Numbers", "The Subaru Impreza 22B Was An Insane Monster That Could Never Happen Today", "Will this ultra-rare 1998 Subaru Impreza 22B sell for $500,000? 2,999.00. sold out. iWire is here to simplify your Subaru powered project, big or small. There is no inventory remaining for any engines , pumps or generators. The Legacy GT, the EJ20X engine was fitted with a twin-scroll IHI VF38 turbocharger; the EJ20Y engine, however, had a larger twin-scroll Mitsubishi TD04 HLA 19T turbocharger. The EJ251 commonly experienced head gasket failures resulting in interior channel breaches or exterior fluid leaks due to the continued use of a single layer coated gasket first introduced on the EJ25D. Cons: More difficult to find in good condition. Although being closed deck, the block does not feature oil squirters for piston cooling, opposed to the EJ20 closed deck block and the USDM-only Legacy EJ22T closed deck block. Notably, Dual-AVCS w25 heads appeared in 2008 STI. The IN2 rocker arms have a white mark. BH5A - 8.5:1 Compression - "Phase-II", or V5/6 generation. the engine and transmission are fastened with six bolts and two studs. Due to the tight confines of the engine bay, the twin turbo engine was installed in Japanese-spec Legacies and Australian market Liberty B4 models, which were right-hand drive. The oil pan is like the USDM WRX 2.0 the intake rocker arms are marked so they are correctly placed on the rocker shaft when servicing. The oil pan is like the USDM Sti. The only notable differences confirmed are unique intake manifold and throttle body designs to accommodate the different MAP sensor location and IACV location. BH5B - 8.5:1 Compression - "Phase-II", or V5/6 generation. When referring to the EJ20T, one is speaking of one of the following: Power output ranges from 147 kW (197 bhp; 200 PS) @ 6000 rpm and for the GT to 162 kW (217 bhp; 220 PS) @ 6400 rpm and for the RS versions. The EJ20X and EJ20Y engines were equipped with Subaru's ‘Dual Active Valve Control System’ (‘Dual AVCS’) which provided variable intake and exhaust valve timing. The EJ20X and EJ20Y engines had an aluminium alloy cylinder head with cross-flow cooling, double overhead camshafts (DOHC) per cylinder bank and four valves per cylinder that were actuated by roller rocker arms. In 1997 a revised engine was introduced that used heads with shimmed bucket lifters (versus the HLAs), was designed to run on 87 octane fuel, and was available with either a manual or automatic transmission. [15], EJ255 Version 2: A lot of work goes into any swap. In addition, the inlet manifold may be bare aluminum for all WRX models and red for all STI models. These engines can be identified by smooth valve covers, plug leads and a wasted spark coil in the middle of the intake manifold. Piston pin offset has been changed to 0.02 in (0.51 mm). Make sure the information is coming from a trusted and experienced source. The horsepower has increased to 142 hp (106 kW; 144 PS) at 5600 rpm. The oil pan has an additional mounting bolt and the one of the oil pan bolt has change position compare to the variations of the EJ255. Check out our services here. There are no TGV's, the intake manifold is one piece. It started its life for the 9/98-8/99 GC8 in Japan, UK, Australia. Once and for all. Want us to help with wiring up your Subaru swap project? The pistons are factory forged items, the connecting rods are stock. Later years used a revised block, piston and heads. Updated: Aug 9, 2019. Usage: Focus on the mechanical aspects and we'll take care of the wiring headaches for you. Coil on plug, except in JDM SF5 forester. 2. There are wiring changes, mount changes, mechanical changes, etc and these all depend on what engine and chassis are going to be used. Another source of high engine friction is the valve train. This has posed some challenge for people who try to use the same automotive boxer and engines on Aerospace application, engine replacement for aged Subaru vehicles, and VW Vanagon modifications, etc. DOHC (USDM)(1997–1999) - SAE - 165 hp (123 kW; 167 PS) at 5600 rpm and 220 N⋅m (162 lb⋅ft) of torque at 4000 rpm. Used in the 2006-2008 WRX, the 2007-2009 Legacy, and the 2006+ Forester. However, when it comes to engine choices there are some simpler … The thin coating reduces moving friction and reduces cylinder wall scuffing. The ROM settings are quite different from a V7. Let us first say, there are no truly easy Subaru swaps and every swap has it's own challenges. It can be replaced by a USDM exhaust, the USDM does bolt up to the block. These might include 6 cylinder, twin turbo platforms, newer than 2007 engines that are CANBUS equipped, ETC. All WRX Wagon engines and automatic sedan engines came with a TD04 with 90 deg elbow, all manual WRX sedans including STI versions had a TD05 with 90 deg elbow. the thrust bearing has been moved to the number 5 position. Engines can be identified by coil on plug with 1 M8 bolt per coil and valve covers with 4CAM 16VALVE and horizontal lines above the plug holes. Subaru lists the CR at 8.4:1 vs 8.2:1 for the 04-06 STI engine. The JDM cars included some Spec C with 13:1 steering rack. Power output ranges from 220 PS (162 kW; 217 hp) at 6000 rpm and for the WRX Wagons to 275 PS (202 kW; 271 hp) at 6500 rpm and for the WRX STI Version II. [14] From unofficial analysis, the EJ251 shares the same with block, cams, heads, pistons, connecting rods with the EJ252. All DOHC and 1998-up SOHC EJ engines are interference engines, if the timing belt fails the valves will likely be damaged. Naturally aspirated and turbocharged versions are available, ranging from 96 to 320 hp (72 to 239 kW; 97 to 324 PS). - Subaru Legacy Forums", "2004 Subaru Impreza WRX STI, 2005 MY US", "2007 Subaru Impreza WRX STI, 2008 MY US", http://www.fhi.co.jp/envi/info/pdf/leg_02_08.pdf, Sumo/Libero/Domingo/Columbuss/E series/Estratto, https://en.wikipedia.org/w/index.php?title=Subaru_EJ_engine&oldid=990538193, Articles needing additional references from October 2018, All articles needing additional references, Articles with unsourced statements from January 2017, Articles with unsourced statements from August 2015, Creative Commons Attribution-ShareAlike License, 8.0:1, 8.5:1, 9.0:1, 9.4:1, 9.5:1, 9.7:1, 10.0:1, 96 to 320 hp (72 to 239 kW; 97 to 324 PS), 1989-1994 125 PS (92 kW; 123 hp) BC - BF series, 1993-1999 135 PS (99 kW; 133 hp) BD - BG series( ECU code EURO, D3 ; Asia 4H), 1998-2004 155 PS (114 kW; 153 hp) BE - BH series( ECU code EURO, D3 ; Asia 4H), 2003-2009 140 PS (103 kW; 138 hp) BL - BP series, 1991-1999 115 PS (85 kW; 113 hp) BC, BD, BF series, 1993-1999 135 PS (99 kW; 133 hp) GC - GF series, 2008-current 140 PS (103 kW; 138 hp) GH - GE series, 1994-1999 115 PS (85 kW; 113 hp) GC, GF series, 1989-1999 150 PS (110 kW; 148 hp) BC - BF and BD - BG series, EJ20GDW1HD 1992-05-01 to 1993-08-31 WRX.EJ20G, EJ20GDW1HE 1992-05-01 to 1993-08-31 WRX.EJ20G, EJ20GDW1HJ 1992-05-01 to 1993-08-31 WRXRA.EJ20G, EJ20GDW1HR 1992-05-01 to 1993-08-31 WRXRA.EJ20G, EJ20GDW2HD 1993-05-01 to 1994-09-30 S.WRX.MT.EJ20G, EJ20GDW2HE 1993-05-01 to 1994-09-30 S.WRX.MT.EJ20G, EJ20GDW2HJ 1993-05-01 to 1994-09-30 WRXRA.EJ20G, EJ20GDW2HR 1993-05-01 to 1994-09-30 WRXRA.EJ20G, EJ20GDW4HJ 1993-06-01 to 1995-08-31 WRXRA.EJ20G, EJ20GDW5HJ 1995-09-01 to 1996-08-31 WRXRA.EJ20G (STI VERSION), EJ20GDX1ND 1993-05-01 to 1994-09-30 AT.EJ20G, EJ20GDX1NE 1993-05-01 to 1994-09-30 AT.EJ20G, EJ20GDW1ND 1993-05-01 to 1994-09-30 W.MT.EJ20G, EJ20GDW1NE 1993-05-01 to 1994-09-30 W.MT.EJ20G, EJ20GDW4HD 1994-06-01 to 1995-08-31 S.WRX.EJ20G, EJ20GDW4HE 1994-06-01 to 1995-08-31 S.WRX.EJ20G, EJ20GDW4ND 1994-06-01 to 1995-08-31 W.WRX.MT.EJ20G, EJ20GDW4NE 1994-06-01 to 1995-08-31 W.WRX.MT.EJ20G, EJ20GDX4NE 1994-06-01 to 1995-08-31 WRX.AT.EJ20G, EJ20GDW5HE 1995-09-01 to 1996-08-31 S.WRX.EJ20G, EJ20GDW5NE 1995-09-01 to 1996-08-31 W.WRX.MT.EJ20G, EJ20GDX5NE 1995-09-01 to 1996-08-31 AT.EJ20G, EJ20GDX5HD 1995-09-01 to 1996-08-31 S.WRX.EJ20G, EJ20GDW5PE 1995-10-01 to 1996-08-31 W.WRX.MT.EJ20G (STI VERSION), EJ20GDW5PE 1995-10-01 to 1996-08-31 WRXSTI.EJ20G, EJ20GDW5PJ 1995-10-01 to 1996-08-31 WRXRASTI.EJ20G. BH5B - 9.0:1 Compression - "Phase-II", or V5/6 generation. Not all research is good research. 3. Is it coming with the matching ECU and matching engine and body wiring? . The EJ series started with the EJ15, a single overhead cam (SOHC) and makes ~90 hp (67 kW; 91 PS), then the EJ16, a single overhead cam (SOHC). The standard HLA valves are I252 and E283 respectively. The V9 known so far to not have immobilizer have been early V9 Spec C (revision E engines). 2003, 219 PS (161 kW; 216 hp) at 5500 rpm, wasted spark coil pack off center of manifold, Open deck block (2001+ are all Semi-closed), Impreza WRX STi 1998~present (JDM, specifically homologation models for, IHI VF44 (manual and automatic, 06MY only). New IN1 rocker arms can also be identified by a Green painted mark on the top of the rocker arm. Our recommendations are based on putting the engine into a GC (1993-2001) chassis. Even more from imported models. They were introduced in 1989, intended to succeed the previous Subaru EA engine. Start a new Subaru Impreza question. Pros: Easy to find, highly compatible with USDM cars, and parts readily available. the valves are positioned at a larger angle than previous model years. So what's our recommendation for the simplest swap with cost in mind? 02 05 SUBARU IMPREZA WRX TURBO ENGINE LONGBLOCK NON AVCS JDM EJ205 EJ20. Engines from the STI RAs received the upgraded Shim-Under-bucket style lifters unlike the normal HLA buckets the WRX & the WRX STI had. [16] Originally designed for the North American Impreza STI in 2004 with AVCS and DBW. Be wary of Frankenstein motors. Followed by Open-deck block equipped with piston oil squirters was used very short period of time, Followed by Open-deck block from 1995 until mid 1996 when the first EJ20K WRX engines came out. 2004-2006 STI model used the same shortblock, b25 heads, and valvetrain as EJ255 in MY 2005-2006 Legacy GT and the same block as the 2004-2005 Forester XT. If you can afford an STi get one because 300 horsepower out of the box is pretty good. Oxygen sensor is same as USDM EJ205. While Subaru has not provided a direct list of revisions between the EJ251 and less common EJ252, there is some degree of information suggesting the EJ252 was simply an alternate version of the EJ251 made to meet California Emissions Standards when the SOHC EJ engines were first introduced in North America. EGR Solenoid, Purge Control Solenoid, etc. The engine utilizes an IHI ball-bearing turbo unit. I-Active valves (VVL intake side) on 2006 models which have ISO 175 hp (130 kW; 177 PS) at 5600 rpm, 229 N⋅m (169 lb⋅ft) torque at 4400 rpm. The EJ20X and EJ20Y are open deck engines whereby the cylinder walls were supported at the three and nine o’clock positions. For the revised BL.II Legacy GT, both the EJ20X and EJ20Y had an IHI VF44 turbocharger for the initial 2006 model year, replaced the following year with the IHI VF45. PZEV-equipped 2007 and up models have ISO 173 hp (129 kW; 175 PS) at 5600 rpm, 225 N⋅m (166 lb⋅ft) torque at 4000 rpm Compression ratio is 10.0:1.

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