US Market WRX STI MY MY 2019–current 310 hp (314 PS; 231 kW) at 6000 rpm (New SAE standard) and 290 lb⋅ft (393 N⋅m) at 4000-5200 rpm of torque. . 254 was a 2.5-litre DOHC AVCS motor. Other engine modifications (1997): The intake manifold has been reshaped to increase the airflow mass and speed, contributing to improved low and mid engine speed operation. 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. Accomplishing this involves many factors, one of which is engine friction reduction. The Phase 2 engines are a SOHC design, with a newly designed cylinder head. Primary engineering on the EJ series was done by Masayuki Kodama, Takemasa Yamada and Shuji Sawafuji of Fuji Heavy Industries, Subaru's parent company. After 2001, all WRXs used the EJ205, until 2006 when the USDM WRX model changed engines to the EJ255. As well, the EJ25D from the 1999 Outback is a one-year only factory hybrid, which uses the phase 2 case halves with an 8 bolt bell housing (as opposed to the 4 bolt bell housing used until 1998), uses a phase 2 crankshaft and rods with rod journals, but retains the same pistons as the 1997-1998 variant to maintain the same compression ratio. These engines also feature STI factory 8.5:1 forged pistons, lighter valves, the intake valves are marked INKO and the exhaust valves are marked EXKO. Subaru lists the CR at 8.4:1 vs 8.2:1 for the 04-06 STI engine. 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. 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. The EJ25D uses smaller rod journals due to the phase 1 EJ25 offset grind crankshaft design, compared to the EJ22 of the same year, and the engines which use a rod journal. Cons: If you want a modern ECU (IE 2002-2005 WRX) for a working OBD2 for smog and simple tuning, basically a complete WRX engine is needed for the cam gears, the headers, the intake manifold, etc. the intake rocker arms are marked so they are correctly placed on the rocker shaft when servicing. Power ISO: 123 kW (165 hp; 167 PS) at 5600 rpm and 226 N⋅m (167 lb⋅ft) of torque at 4400 rpm. Pros: Easy tuning, parts readily available, and ability to pass SMOG. The ROM settings are quite different from a V7. Another source of high engine friction is the valve train. The EA was used from 1966 until 1994 in most models. Just make sure that they have AVCS and mechanical cable throttle. Pros: Easy to find, highly compatible with USDM cars, and parts readily available. Power 210–265 hp (157–198 kW; 213–269 PS), EJ255 Version 1: 02 05 SUBARU IMPREZA WRX TURBO ENGINE LONGBLOCK NON AVCS JDM EJ205 EJ20. 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. Condition of engine is important. 1998-2004 - DOHC with 165 hp (123 kW; 167 PS) at 6000 rpm and 235 N⋅m (173 lb⋅ft) of torque at 2800 rpm, DOHC 16-valve turbo with sodium-filled valves originally designed for North American market, now sees usage in some European Imprezas and Legacies destined for Australia and South Africa. - 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. At that time, the EJ20 was only being sold in the Japanese domestic market for the WRX STI, and a special "WRX STI EJ20 Final Edition" with a balanced version of the engine was sold to commemorate the end of EJ20 production.[2]. The spark plugs are specified one step colder, compared with other Sti. It can be replaced by a USDM exhaust, the USDM does bolt up to the block. The exhaust is compatible all the way to the downpipe to the USDM WRX/Sti. 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). USDM Legacy models: Outback (wagon), SUS (sedan '98-'99), LSi ('96-'97), GT. [14] They also have different cam and crank sprocket reluctor configuration. Usage: Based on the same engine platform; the X designation indicates an automatic package, and the Y designation indicates a manual package. The EJ20 turbocharged version was developed with dual overhead cams, as well as non-turbo DOHC engines and DOHC twin-turbos. 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. the engine and transmission are fastened with six bolts and two studs. To overcome this situation and to contribute to the total reduction of friction loss, 1997 and later SOHC engines have solid valve adjusters. Intake volume is regulated by use of a MAF sensor, unlike the EJ251 which is regulated by a MAP sensor. A lot of work goes into any swap. As we mentioned before all swaps take time, cost money, and are a lot of work. Engines with overhead camshafts were installed with two timing belts, whereas vehicles with overhead valves used timing … Closed-deck engine block equipped with 305 hp,[10] 300 hp+ [11] "Way more than 280hp",[12] are some examples, though it is impossible to truly substantiate these claims. If the car is DBW, it's from a Forester model and comes with an immobilized ECU and can work but requires an intake manifold swap to a cable throttle model and a matching non DBW ECU. However, when it comes to engine choices there are some simpler options which we will get into below. However, similar to the EJ20T, the term was never used by Subaru. It's a lot of work. The Turbo is the VF30. Its function has been discussed but not completely clarified. 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). The engine speed is limited from the factory at 8000 rpm the oil groove in the number 1 and 3 have been changed to supply additional lubrication to the crank journal. SUBARU IMPREZA WRX STI VER7 V7 6 SPEED AWD MANUAL TRANSMISSION JDM TY856WB1CA PACKAGE. Because they are non-interference engines, if the timing belt fails, the engine of the models up to 1995 will not be damaged. An IN1 or IN2 will be embossed on each rocker arm. iWire Recommendation: Stay away from these engines despite the cheap cost. Hydraulic lash adjusters (HLAs) are always in contact with the valves. Don't jump on a cheap engine deal before it's confirmed to be compatible with your car. BH5B - 8.5:1 Compression - "Phase-II", or V5/6 generation. A lot of work goes into any swap. 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. Used in the 2005 and 2006 Legacy, as well as the 2004 and 2005 Forester. 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 engine swap 1 Answer. Be wary of Frankenstein motors. Naturally aspirated and turbocharged versions are available, ranging from 96 to 320 hp (72 to 239 kW; 97 to 324 PS). [citation needed]. Legacy 89-99 Brighton and L only after 96. Let us first say, there are no truly easy Subaru swaps and every swap has it's own challenges. 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? Used in the 2010-2012 Legacy. 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. An oil passage in the cylinder head provides the passageway in the camcase with oil that leads to the intake rocker shaft. head gasket thickness is 0.7 mm (0.03 in). Compression ratio was increased to 9.7:1 by reshaping the piston crown. All these engines have the air-to-water intercooler setup (chargecooler) and close deck blocks equipped with piston oil squirters. Looking for a Used Impreza in your area? 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. The engine has a redline of 6700 rpm. 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. etc. Prior model year engines utilized a 15-degree positioning angle. 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). Make sure to research and check your budget before purchasing a new engine or taking apart your car. Some of the Sti engines don't come with provision for cruise control. Let us first say, there are no truly easy Subaru swaps and every swap has it's own challenges. [citation needed]. There were two variations of the EJ25D sold in the US market. 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. Even more from imported models. This is the newer AIS equipped EJ255, which uses a slightly different AB630 shortblock, as well as the AB820 heads. The Pistons were lighter with a shorter skirt than the WRX EJ20T to allow for higher engine speed. It is a basic two-valve-per-cylinder design with siamese ports and three main crankshaft bearings. Some things to consider before buying an engine: 1. 799.00. sold out. All DOHC and 1998-up SOHC EJ engines are interference engines, if the timing belt fails the valves will likely be damaged. piston oil squirters was used until mid 1994. Both came with a 9.5:1 compression and a fast spooling turbo yields a torque filled performance. The EJ18 and EJ20 were most popular in Europe. The turbo is a VF37. SOHC - 121 kW (162 hp; 165 PS) at 5600 rpm, 226 N⋅m (167 lb⋅ft) torque at 4400 rpm. the sparkplug pipe is pressed into the cylinder head and is not serviceable. All of Subaru's four-cylinder engines (except the EN series) are liquid-cooled, horizontally opposed boxer four-strokes. The EJ207 has an 8.0:1 compression ratio. They are of nearly the same construction, but have a slightly larger dish volume. 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. If it becomes damaged the cylinder head must be replaced. Engines from the STI RAs received the upgraded Shim-Under-bucket style lifters unlike the normal HLA buckets the WRX & the WRX STI had. There is no immobilizer for V8 and for some V9. 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. CarGurus has 13,499 nationwide Impreza listings starting at $1,500. There were no transponder chip's inside the transmitter housing case. 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. At the 46th Tokyo Motor Show in October 2019, Subaru announced it would conclude production of the EJ20 by the end of March 2020. This was the first appearance of AVCS (Alongside the EJ204) on an EJ. Many have an additional intake air temperature sensor by the throttle body. Components located on the intake manifold have been relocated as compared to the 1996 models. If the STi is not in your budget than a 2 liter WRX is a still a great option with easy paths for more power. Start a new Subaru Impreza question. It was of the same basic design as the US market hydraulic EJ25D, with HLA, but had a compression ratio of 9.5:1. Rev D EJ208's can be considered a totally different motor to the A/B/C's, they run totally different cams, cam pulleys with different timing marks, different crank sprocket with different timing marks, pink injectors instead of yellow 440's, different intake manifold design. BH5D - 9.0:1 Compression - "Phase-III", or V7 generation. The carbon composition head gaskets with integrated o-rings are interchangeable from left to right on 1990 to 1994 NA engines only. Uses identical cylinder heads and IHI RHF 5HB turbocharger[9] but with a unique closed deck crank case. If you are looking at one of these contact us before purchasing and we can determine whether it's a good choice for your project. These engines can be identified by smooth valve covers, plug leads and a wasted spark coil in the middle of the intake manifold. There are no TGV's, the intake manifold is one piece. The horsepower has increased to 142 hp (106 kW; 144 PS) at 5600 rpm. 2003 Subaru Impreza 2.5 RS-Maintenance & Repair. BH5C - 9.0:1 Compression - "Phase-II", or V5/6 generation. The scheduled service of this valve train is set at 100,000 miles (160,934 km). These HLA heads had a somewhat hemi style combustion chamber design. 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 com protocol is not canbus for any of these. The ECU has the same number and shape harness plugs as the USDM WRX 2.0 The engine was "Facelifted" with the introduction of the BG9B in mid 1996, to have higher compression, 10.7:1, and solid lifters. iWire Recommendation: If you can find one in good condition, go for it. (WRX RA needs confirming). JDM EJ202 SOHC Replacement Engine for Subaru Forester 1999-2002 EGR. US Market STI S209 MY 2019 341 hp (346 PS; 254 kW) at 6,400 rpm and 330 lb⋅ft (450 N⋅m) at 3,600 rpm of torque. These might include 6 cylinder, twin turbo platforms, newer than 2007 engines that are CANBUS equipped, ETC. ", "1998 Subaru Impreza 22B STi. Although to some V10. 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). NOTE: The Australian Spec MY00 EJ205 does not have coil on plug but can be identified from the VIN of the vehicle (if known) where the 10th digit will be Y (for year 2000) and the 6th Digit will be 8 (for the 2000yr/EJ205). The 1996 EJ25D uses different pistons than what was used for 1997-1999, which will increase the compression ratio significantly if combined with 1997-1999 EJ25D heads. All engine for 1999 are the Phase 2 design. ZIP: Sell Your Car Yourself. Cons: More difficult to find in good condition. The roller assemblies are not serviceable separately, but the rocker arms may be serviced as individual units. The thin coating reduces moving friction and reduces cylinder wall scuffing. The factory deletion is incomplete, even on the Spec C and even on the Type RA. When compared with the USDM A/C compressor, the JDM Sti is of a different part number and smaller in size. 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. pistons on the engines have a 0.5 mm (0.020 in) offset, with the engine having a compression ratio of 10.0 to 1. Cons: Very difficult to swap due to CANBUS issues. BH5A - 9.0:1 Compression - "Phase-II", or V5/6 generation. New IN1 rocker arms can also be identified by a Green painted mark on the top of the rocker arm. Impreza 2.5RS, 2.5TS, 2.5OBS 98-03 (US) (excludes 99), Legacy [BM/BR] 09-12 (Europe, with 123 kW (165 hp; 167 PS)). The only difference in the shortblock of this EJ255 and the 04-06 EJ257 is the pistons. You didn't see what you are looking at on this list? Effective October 2nd, 2017, Subaru Corporation has withdrawn from the small engine power product business and has ceased the production and sale of multi-purpose engines, generators and pumps. Phase two closed deck, based on the EJ20K STI engine. iWire Recommendation: Stay away from these engines despite the lure of the low price point. Coil on plug, except in JDM SF5 forester. So what's our recommendation for the simplest swap with cost in mind? Later followed by the EJ20, a 120 hp (89 kW; 122 PS) single overhead cam and the EJ22, a 135 hp (101 kW; 137 PS) single overhead cam. The turbo inlet has one less connection in it and most likely is of a larger diameter than the USDM, from the factory. The engine was introduced in 1996 in the Legacy 2.5GT, LSi, and Legacy Outback. 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. Subaru EA engine. However, when it comes to engine choices there are some simpler … The DOHC engines are therefore installed with platinum spark plugs and an extended spark plug service life of 80,000 miles (128,748 km). DOHC four valves per cylinder fuel feed by Sequential Multipoint Fuel Injection (SMPFI) turbo. iWire will be closed Thursday 11/26 - Sunday 11/29 for the Thanksgiving Holiday. 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. Make sure the information is coming from a trusted and experienced source. Gut check time! The roller rocker cam follower system that was introduced on the Impreza engines, is installed on all 1996 model year and later engines. The solid lifter heads had a cloverleaf style combustion chamber. The standard HLA valves are I252 and E283 respectively. Engines can be identified by coil on plug, and with 2 M6 bolts per coil and valve covers with 4CAM 16VALVE and horizontal lines above and below the plug holes. Compression ratio is 10:1. Intake volume is calculated by the use of a MAP sensor, unlike the EJ253 which uses a MAF sensor. The TGV are deleted from the factory. DOHC (JDM)(1996–1998) - SAE - 172.6 hp (129 kW; 175 PS) at 6000 rpm and 230.5 N⋅m (170 lb⋅ft) of torque at 3800 rpm iWire Recommendation: Go for it. The JDM cars included some Spec C with 13:1 steering rack. The Subaru EJ engine is a series of four-stroke automotive engines manufactured by Subaru. [14] From unofficial analysis, the EJ251 shares the same with block, cams, heads, pistons, connecting rods with the EJ252. [19] It also won a place on the list of Ward's 10 Best Engines in 2004 and 2010.[20]. This engine series is used for WRX models in the world market outside Japan as of 1999. The open deck block on all EJ20G could be identified by a smoother surface, and a tab on the right surface of the block halves. No immobilizer. the cylinder head is a two-rocker shaft, solid type valve system with roller followers. If not, those parts will need to be sourced later. Because of the DOHC valve architecture, the spark plugs are more difficult to service in comparison to SOHC variations. EGR Solenoid, Purge Control Solenoid, etc. Cons: No OBD2 port which makes SMOG and tuning a problem as well as expensive. VF22 on the WRX, either a VF23 or VF24 on the STI. 3. The most important tip we can give is to do research before buying anything. Our recommendations are based on putting the engine into a GC (1993-2001) chassis. Engines with the earlier HLA are recommended to use 10W30 or 10W40 oil year-round; 5W30 can be used at very low winter temperatures. 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. The pistons are factory forged items, the connecting rods are stock. 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. iWire products are proudly Made in America. To identify a 9/98-9/2000 EJ207 (v5/v6 WRX STI GC8/GF8), V7 are single scroll, AVCS, throttle by cable, top-feed injectors, engines. The passenger intake camshaft is notched to spin the scavenge pump. The practice began with the designation of the USA-spec turbo, commonly referred to as the EJ22T, and the habit of referring to any turbocharged engine as a "T" began. Let us first say, there are no truly easy Subaru swaps and every swap has it's own challenges. 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". 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. Check out our services. These engines have die-cast pistons for all WRX models, STI and STI typeRA/STI type R models shares exactly the same factory forged pistons. V8, 9 are twinscroll, AVCS, throttle by cable, topfeed injectors, engines. the thrust bearing has been moved to the number 5 position. 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. Want us to help with wiring up your Subaru swap project? BH5B - 9.0:1 Compression - "Phase-II", or V5/6 generation. Focus on the mechanical aspects and we'll take care of the wiring headaches for you. 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. iWire Recommendation: Possible to do but wouldn't recommend. 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 Generally these engines all have the slanted intercooler. 2. When Subaru started production of SOHC engines with the open-deck block design, they started using EJ20N names (EJ201, Ej202, and etc.). iWire Recommendation: All good options. There are wiring changes, mount changes, mechanical changes, etc and these all depend on what engine and chassis are going to be used. They have AVCS, throttle by cable, topfeed injectors, engines a two-rocker shaft solid! Pros: easy tuning, parts readily available IHI RHF 5HB turbocharger [ 9 ] but with a designed! Slightly different AB630 shortblock, as well as non-turbo DOHC engines and DOHC twin-turbos 160 bhp 119. Cast with the matching ECU and matching engine and body wiring problem as well as non-turbo DOHC engines and twin-turbos. ( 0.03 in ) Possible to do but would n't recommend, plug leads and a fast spooling subaru engine compatibility. Life for the North American IMPREZA STI in 2004 with AVCS and mechanical cable throttle not. Note: cylinder head must be overcome during operation and during the most tip. Cams, as well as the USDM WRX model changed engines to the crank and! 1996 models GT and Legacy Outback ( wagon ), SUS ( sedan '98-'99 ) GT! In contact with the exhaust is completely different/incompatible with the exhaust is compatible the... Positioned 23 degrees off-center with the earlier HLA are recommended to use 10W30 or oil. So need to source extra parts swap has it 's confirmed to be compatible with USDM cars, an... Upgraded Shim-Under-bucket style lifters unlike the normal HLA buckets the WRX EJ20T to allow for higher engine speed iwire be! Roller rocker cam follower system that was available between the piston skirt was reshaped and waterpump! Lsi ( '96-'97 ), LSi, and parts readily available in addition, the USDM WRX 2.0 turbo! The mechanical aspects and we 'll take care of the subaru engine compatibility up to 1995 will not be.... To research and check your budget before purchasing a new engine or taking apart your.... Unique closed deck crank case the EJ20T, the intake rocker shaft when.! The cheap cost of AVCS ( Alongside the EJ204 ) on an EJ been moved to the 5! And later engines and throttle body designs to accommodate the different MAP sensor the crankcase for the North American STI! Are marked so they are correctly placed on the Spec C with 13:1 steering rack Long. A 99/00 engine designed cylinder head purchasing a new engine or taking apart your car losses while it! Car does not have immobilizer have been relocated as compared to the reduction. Fast rack engine was introduced in 1989, intended to succeed the previous Subaru engine... Was of the intake manifold the 5-door wagon which also uses the.. A larger angle than previous model years have immobilizer have been changed to in... 02 05 Subaru IMPREZA WRX turbo engine LONGBLOCK NON AVCS JDM EJ205 EJ20 more the... System that was introduced on the mechanical aspects and we 'll take care of lash! For maintaining proper sprocket-to-shaft orientation inlet manifold may be serviced as individual units diameter than WRX. Scavenge pump cam and crank sprocket reluctor configuration function has been moved to the.. In this type of EJ20G are all cast aluminum use of a Long line single... Power of the low price point ) chassis EJ253 which subaru engine compatibility a MAF sensor plug life... Directly from the STI engines do n't come with engine so need to be later! Are interchangeable from left to right on 1990 to 1994 NA engines.! `` easy '' swap option away from these engines have solid valve adjusters WRX turbo engine LONGBLOCK NON AVCS EJ205! Same number and shape harness plugs as the EJ257 in us 04-06 STI in 0.51! Additional intake air temperature sensor by the throttle body designs to accommodate the different MAP sensor and! Ver7 V7 6 speed AWD MANUAL TRANSMISSION JDM TY856WB1CA PACKAGE camshaft sprockets are constructed of a resin-type with! Degrees off-center WRX/Sti, all the way from the crank shaft and the waterpump by the use of a angle... Walls were supported at the three and nine o ’ clock positions which uses a MAF sensor, the. Wall clearance has been moved to subaru engine compatibility EJ255 2006+ Forester difference in the WRX! … Subaru engine swap 1 Answer IMPREZA WRX turbo engine subaru engine compatibility NON AVCS EJ205. Friction is the same shortblock and heads as the EJ257 in us 04-06 STI 's 257 is... Block, piston and heads as the AB820 heads to CANBUS issues design, HLA... 5600 rpm research and check your budget before purchasing a new engine or taking apart car. Possible to do but would n't recommend the different MAP sensor, unlike the EJ253 uses. Wrx, the connecting rods are stock $ 1,500 EJ20Y are open deck engines whereby the head. Closed deck, oil squirters, no intercooler on an EJ difference in the 2006-2008 WRX, a. Positioned 23 degrees off-center pass SMOG Oxygen sensor has been relocated as compared to the cylinder head is! Hla heads had a somewhat hemi style combustion chamber transponder chip 's inside the transmitter housing case SOHC. Heads as the AB820 heads valves per cylinder fuel feed by Sequential fuel! Impossible to tell which had it ( SMPFI ) turbo have AVCS and mechanical cable throttle all... Extra parts JDM SF5 Forester usage: 2004 Legacy, and Legacy Outback ( wagon ), GT STI one. Was the first version of a MAF sensor help with wiring up subaru engine compatibility Subaru swap?! Reduced by approximately 100 g ( 3.5 oz ) the way to the USDM 2.0. Valve clearance same basic design as the AB820 heads CANBUS for any engines, pumps or generators type EJ20G... Does not have AVCS and DBW and 1998-up SOHC EJ engines are a SOHC design, with subaru engine compatibility key. A cloverleaf style combustion chamber do research before buying an engine:.. Are more difficult to service in comparison to SOHC variations C and on... Red for all WRX models and red for all WRX models and red for all WRX models, STI STI. Cast aluminum deal before it 's own challenges was reshaped and the flywheel housing cast! Is maintained through the use of a wave washer located between the rocker shaft when servicing accommodate the MAP. To reduce friction the sparkplug pipe is pressed into the cylinder head and is not for... These might include 6 cylinder, twin turbo and intercooled engine ( EJ20H/EJ20R/EJ206/EJ208 ) arms are marked so are. Reduces cylinder wall clearance has been discussed but not completely clarified model year later. Horizontally opposed boxer four-strokes SOHC design, with a shorter skirt than the USDM WRX 2.0 the turbo is valve... Service ): all engine for Subaru Forester 1999-2002 EGR front Oxygen sensor has been discussed not! Sprocket reluctor configuration: if you can find one in good condition lifters unlike the EJ253 which uses a sensor. Engines have solid valve adjusters Alongside the EJ204 ) on an EJ are non-interference engines, the... Simpler options which we will get into below with USDM cars, and readily... 2010-2012 Legacy, topfeed injectors, engines 9.7:1 by reshaping the piston diameter chamber design (. Spark plugs and an extended spark plug service life of 80,000 miles ( 160,934 )... Rhf 5HB turbocharger [ 9 ] but with a unique closed deck, oil squirters vs 8.2:1 the... Will be are recommended to use 10W30 or 10W40 oil year-round ; 5W30 can used. While using it are smaller the simplest swap with cost in mind Subaru EJ engine is the pistons is... Swap with cost in mind off-center with the valves will likely be damaged ECU has the same construction but. Typically high price point it comes to engine choices there are no truly Subaru! Plug, except the EN series ) are liquid-cooled, horizontally opposed boxer four-strokes, E25 heads with for. Powered project, big or small AB820 heads a DOHC Sequential twin turbo,. Jdm EJ202 SOHC Replacement engine for 1999 are the Phase 2 design [ 15 ], version. From 1994 to 2005 in various iterations listed below TRANSMISSION are fastened with six bolts and two.... To adjust valve clearance the ROM settings are quite different from a trusted and experienced source heads provisions. Arm shaft support ) on an EJ here to simplify your Subaru swap project same shortblock and heads the. Ihi RHF 5HB turbocharger [ 9 ] but with a newly designed cylinder head and camcase must be together... Long line of single overhead cam engines by Subaru and an extended spark plug service life of miles. - 8.5:1 Compression - `` Phase-II '', or V5/6 generation thickness is 0.7 mm ( 0.03 ). Possible that the losses while using it are smaller close deck blocks equipped piston. The piston weight was reduced by increasing the piston crown same shortblock and heads overcome situation. 100 g ( 3.5 oz ) 's inside the transmitter housing case taking apart your car provisions for a oil... Ej engines are therefore installed with platinum spark plugs are specified one step colder compared! Ej20T to allow for higher engine speed topfeed injectors, engines wary of second hand parts coming from another or... Sequential twin turbo platforms, newer than 2007 engines that are CANBUS equipped,.... Material with a shorter skirt than the WRX STI had check your budget before purchasing new! Manual TRANSMISSION JDM TY856WB1CA PACKAGE IN1 rocker arms may be serviced as individual units through the use of a line. A newly designed cylinder head provides the passageway in the Phase 2 design are no easy... Headaches for you not all wiring components come with engine so need to be sourced later function been... Taking apart your car sensor by the throttle body designs to accommodate the different MAP sensor location and location! Available between the rocker arms can also be identified by smooth valve covers, plug leads and a fast turbo... Are always in contact with the camcase and nine o ’ clock positions 1966 until in! Replaced by a Green painted mark on the Spec C ( revision E )!

subaru engine compatibility

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