Multiple engine developments and modifications proved its longevity as well as its flexibility to be installed in different vehicles and driving conditions.E. All of these engine have an air-to-water intercooler setup. Another issue that needs to be addressed is the excessive oil consumption of the EJ20, especially the turbocharged ones, and can affect small sizes of naturally aspirated engines. You will receive everything shown including the TMIC. You will receive everything shown including the TMIC. Camshafts are set in motion with the help of timing belt. Your assitance would be greatly appriciated. I did a seach and I can't find what I am looking for. The limit is 0.8mm for Phase 1. JDM 2008-2014 Subaru WRX STi EJ207 Ver.10 2.0L Engine Swap with VF49 Twin Scroll Turbocharger for sale. (Forged Alloy Moly Coated or Forged Moly), http://smg.photobucket.com/user/newsuba/media/sti7forgedpistons_zps2ba1d247.jpg.html, JDM Version 7 STI EJ207, S20C - Forged Molybdenum Pistons. Version 10 STI block W20C beside the Version 7/8/9 S20C/T20C: Phase 2 and Phase 3 Heads, can also be Identified by this same External Stamp Code: BH5A TT Heads stamped LH B 004 and RH B 004, BH5B TT Heads stamped, LH B 003 and RH B 003, BH5D TT Heads stamped, LH H20B and RH H20B, Version 6 WRX Heads stamped, LH A 003 and RH A 003, Version 5 STI Heads stamped, LH C 005 and RH C 006, Version 6 STI Heads stamped, LH C 007 and RH C 008, Version 6 STI RA Heads stamped, LH S20 and RH S20, Version 7 WRX Heads stamped, LH S20 and RH S20, Version 7 STI Heads stamped, LH S20V and RH S20V (code change with AVCS/Cam Type), Version 8 STI Heads stamped, LH T20 and RH T20, Version 9 STI Heads stamped, LH T20 and RH T20, Version 10 STI Heads stamped, LH W20 and RH W20. I would not pin the bores they will still warp.. Focus on the mechanical aspects and we'll take care of the wiring headachesfor you. Subaru EJ207 Engine Problems, Reliability, Specs - WRX EJ207 - Tuning Pro This engine was installed in Australian Market Liberty B4 models and Japanese-spec Legacies, both right-hand driving. I've just read so much hate towards the 208 on all forums i don't know why that is. The STI RAs that used these engines received the upgraded Shim-under-bucket style lifters, unlike the standard HLA buckets that WRX and WRX STI had. AFAIK they are BE/BH rev D-E heads, but don't quote me on it just yet. The Legacy GT, the EJ20X, was installed with a twin-scroll IHI VF38 turbocharger; the EJ20Y has a larger Mitsubishi TD04 HLA 19T. This thread got me curious. Identifying marks: Looks similar to EJ20K, but coil pack is offset from center on intake manifold. but still Subaru used the 208 on the s401 they could have gone 207 to make it perfect but they didn't they used the 208. Subaru Intake Manifold Red. Except EJ20, the EJ series included: EJ15, EJ16, EJ18, EJ22 and, Since 2012 turbo EJ20 was being replaced by 2.0 liter, Subaru EJ20 engine problems andmalfunctions. Such motors show 125 HP at 5,600 rpm. More information about this process can be found if you, Here at iWire, we often get questions from customers who are looking to, Customers who plan to swap their vehicle use either the EJ205 from the USDM 02-05 WRX, the EJ207 from the JDM Version 7 and 8 STI, the EJ255 from the USDM 06-07 WRX and 04-08 Forester XT, or the EJ257 from the USDM 04-07 STI. EJ207 engine for 1998-2000 Impreza WRX STI has got the modified pistons (compression ratio 8), EJ205 camshafts, new ECU and IHI VF28 turbocharger with max boost pressure 1.1 bars. Share Thread Tools Display Modes Sponsored Links * Registered users of the site do not see these ads. The intake manifold is one piece, the spark plugs are one step colder compared to other STIs. What are the weaknesses of the 208 and what can we do to make it as good or better than the sti 207. EJ20 motors gained great popularity due to their turbocharged versions. ClubSUB.org.nz 2022 There is no sense to increase N/A EJ20 power. Sean (ASG) had a stock block 207 in a GC8 running 10.2 @ 137MPH at the drags, which was making 440hp on pump and close to 500hp on race fuel. But EJ207 is open V5/6 and semi V7/8/9so identical block numbers but different design. Since 1996, they began to produce twin turbo EJ20R which used IHI VF18 and VF19 turbochargers. SI-Drive - What is it and how does it work. This often happens with turbo EJ20, dont be surprised. You can tell the difference between V1 and V2 with the connector on the underside of the throttle body. Not the same exact shortblock as EJ255. The engine speed is limited to 8,000 RPM. The 7 digit "applied model" code found on the vehicle identification plate inside the engine bay is decoded in the following way. Each generation has designated power specifications 125 HP, 133HP, 153 HP, and 140 HP. Coil-on-plug ignition system. CrawfordSPEC Forged WRX Internals (EJ20/EJ255) They also offer, Most of the plastics will be deteriorating, the wiring will probably be stiff and brittle, Previous: Subaru Wiring Harnesses Explained, Fuel Pump Controllers Part 2 - Diagnostics. The Subaru EJ20 cylinder block is made from aluminum with cast-iron dry sleeves and a block height of 201 mm. We can say that this engine consumes a lot of oil but is unaware that there might be leaks in the valve cover gaskets and camshaft seals. About 5 bank accounts, 3 ounces and 2 vehicles. After 2001, all WRX vehicles use EJ205 until 2006, when USDM WRX models changed their engines to EJ255. Since 2012 turbo EJ20 was being replaced by 2.0 liter FA20 engine while naturally aspirated EJ20 were replaced by FB20. The recommended interval of replacement of timing belt for EJ20 is for each 60,000 miles of mileage (100,000 km). jessica parker journalist father. Do You Know The Exact Model Of Impreza You Have ver since it arrived in the industry, EJ20 has been regarded as one of the most reliable and powerful engine blocks. This version 7 Ej207 engine is very sought after in the tuners world for it's performance and reliability when done correctly. Later, EJ202 was improved and used a more lightweight cylinder block as well as the sleeves, 4-2-1 headers, MAF sensor, and a modified intake manifold. And still to the present day the pick of these is the v7 ej207 with its factory forged pistons. EJ20K engine was installed on 1996-1998 Impreza WRX STI and used IHI RHF5HB turbocharger. Ej205 Intake Manifold | sites.unimi.it L'EST ROSE - by Daniel's shop Come join the discussion about performance, modifications, troubleshooting, turbo upgrades, maintenance, and more! You'd save yourself a lot of headache buying a gc impreza to swap that into. 18008 Bothell Everett Hwy SE # F, Bothell, WA 98012. This set the stage for a long series of debates about it, and basically gave the open deck a bad name. Should have a version 7 TB too. These engines can be identified by plug leads, smooth valve covers, and a wasted spark coil on the intake manifold center. After a few weeks trawling though countless threads covering this topic, on every Subaru forum on the mighty internet (yes I've read them all). A twin turbo set up, tuned working to its full potential isn't going to push the limits of a 208 They stuck with it on the turbo engines for a while though. 1994-1996 Impreza WRX Type-RA received the increased boost pressure to 12.5 psi (0.87 bar), and ECU was changed. In order to post comments, please make sure JavaScript and Cookies are enabled, and reload the page. Subaru EJ207 to EJ20K Engine swap and wiring - YouTube The EJ207 has an 8.0 compression ratio, idle air integrated into the throttle body, wasted spark coil off-center of manifold, red or bare aluminum intake manifold, open deck block, inlet under the manifold, AVCS variable valve timing, and higher rev limit than EJ205. A new TD05-18G turbocharger, HKS blow-off valve, fuel lines, 800 cc/min fuel injectors, heavy-duty timing belt, cold air intake, oil cooler, 12 mm oil pump, equal length headers, and a 3-inch aftermarket exhaust system. haha could have sworn it did somewhere though. The quality of the engine as a whole improves over the phases and years. ty754vbaa ty754vbaa ty754vbaa ty754vbaa : wrx type ra . I am wondering what the difference between all of the STI EJ series engines are. For Subaru Legacy GT, EJ20G engine produces 220 HP at 6,400 rpm, and torque is 270 Nm at 4,000 rpm. And 2003-2009 Subaru Legacy BL became less powerful 140 HP at 5,600 rpm. Or it could be that with the EJ20H and EJ20K they could manufacture engines that wouldn't blow the HG's. It is among the first to use turbocharger and oil nozzles, low compression pistons, and a closed decked block. Built power output rating: 675BHP. I know there is a HUGE difference between the 2, internals, heads, intake manifold and such. JDM Version 5/6/7 STI EJ207 - cross drilled crankshaft: Version 8/9/10 STI EJ207 - double cross drilled and nitrated crankshaft: I believe there to be some truth there! I'll check out the conversions forum, but if you have a link hook me up. 2 had max boost pressure 13.5 psi (0.93 bar), and power reached 275 HP at 6,500 rpm. For over 2 decades we have tested all combinations of upgrades for the . Stroker kit includes EJ25 crank, H-beam rods, Mahle pistons, ARP head studs. NOTE: As of January 2021 we are longer wiring Version 1 through 6engine swaps. I hope that this simple rundown of the EJ20 engine helped you understand the engines design, architecture, origins, reliability, issues, potential, and overall impact on the automotive industry. After Subaru EJ20s success for three decades as a mainstay machine that powered iconic vehicles such as the WRX STI, it is one of the more notable variants of the EJ family of engines. EJ20K injector size is 505 cc. The power of Subaru Legacy 2 and Impreza first generations are increased to 135 HP. Below is a cost breakdown of parts for a typical EJ20K conversion: Engine management (optional but recommended): $1614, Total: $4193 with Haltech Elite, $2779 with OEM ECU. However an engine fitted with the orifice plate had a hp limit of about 350hp. Brought it knowing the previous owner had a v7 STI shorty installed. In 1998 they started to manufacture turbocharged Phase 2 engines: EJ205 for Impreza WRX and Forester, and also EJ207 for Impreza WRX STI. Used JDM v5 GC8 Type-RA EJ207 EJ20K OEM Intake Manifold Assembly for Sale. ;D, EJ207 - EJ208 (pistons are version 1/2 cast alloy dogbones). ej205 heads can be opened up to flow as good, if not better than 207 heads. EJ20G engine for Impreza WRX STI and WRX sedan used Mitsubishi TD05H turbocharger. Factory 2.0L Turbo Powertrain (EJ Series Factory 2.0L Turbo), http://a.imageshack.us/img413/6815/21stage2sb.jpg, http://forums.nasioc.com/forums/show.php?t=1989479, http://www.manleyperformance.com/sc/_pistons.shtml, Speed (MPH) difference in EJ205 and EJ207. 1 0 Comments Best Assuming an R20 code if open deck. Version 7 STI EJ207, stamped S20C 701 -1. Sign up for a new account in our community. EJ207 engine for 1998-2000 Impreza WRX STI has got the modified pistons (compression ratio 8), EJ205 camshafts, new ECU and IHI VF28 turbocharger with max boost pressure 1.1 bars. Subaru EJ engine - Wikipedia Therefore, be ready to its low reliability and overhaul each 50,000-60,000 miles of mileage (100,000 km). The fourth cylinder is the hottest, but the worst cooled among other cylinders; hence the pistons begin to knock. Then there's also a difference in bore wall and stiffener thickness through the EJ207 STI block: Version 7, JDM STI EJ207, S20C - Forged Molybdenum. Ford 3.7L V6 Duratec: Everything You Need To Know, Ford 5.4L V8 Triton: Everything You Need To Know, VW/Audi 3.0 V6 TDI: Everything You Need To Know, Valvetrain: SOHC with two valves cylinder and DOHC four valves per cylinder, Compression Ratio(s): 8.0, 8.5, 9.0, 9.5, 9.7, 10.0, 10.1, and 10.2, Maximum Torque: 413 lb-ft at 2,000 5,000 RPM, 2008 Present GH GE Series IMpreza JDM, 1999 2001 Legacy B4 TSR JDM BE BH series, 2009 2014 Legacy Europe and South Africa BM and BR series. Updated 02/13/2017 Subaru EJ20 Engine Specifications Overview, problems Performance tuning Subaru EJ20 engine specs Subaru EJ20 engine reliability, problems and repair Applications: $5100.00. EJ20 - Wikipedia Cross Drilled ? There is no immobilizer for these versions. Its power is 250 HP at 6,000 rpm. The EJ22T is a phase 1 engine. Please see all item photos for complete cosmetic condition and full description of any imperfections. ENGINE vs. ENGINE | JDM EJ207 vs. USDM EJ205 - YouTube The only real way to check what cams you have is to pull rocker cover off. 7 JDM EJ207 STI engine to a. ej20k rod knock rebuild? need options/help - Perth-WRX.com The design is of the older type that protrudes above the deck.. I\'ve only ever seen 1 set and sold them to fbs, there where no markings, I believe they where v2sti Pistons but not 100% on that, v3-V4 forged pistons stamped hf2=A size and HF=B size. JDM engines may look attractive for their low prices and low mileage, but they arent as inexpensive as they seem due the parts that are likely to be missing. Also EJ204 used variable valve timing system AVCS on intake camshafts, adjustment range is 50 degrees. None of had issues that I know of. JavaScript is disabled. Power increased up to 260 HP at 6,500 rpm. It shows a lot of potential and aftermarket support. Gaskets Shop | Gaskets Tappets Shop Quality Gaskets Tappets Car Parts Th EJ20X has a forged crankshaft and connecting rods with cast aluminum pistons with forged crowns. This^, (also im pretty sure my 205 block is stamped "ej205") edit scratch that! Subaru JDM 12mm Oil Pump For EJ20 / EJ22 / EJ25 Engines - IAG Performance gc8f47d . Everything we need to do is to buy EJ205 or EJ207 and to make swap. For reader, considering you are hunting the Ej207 Engine store to right of entry this day, this can be your referred book. Always check with a tuner before running this engine as-is. Buying a JDM Engine? Power of EJ20R reached 280 HP. The EJ255 has a different domed piston vs the EJ257. As I said, I don't know for certain. Be kind enough to explain please, Biggest difference would be semi closed deck vs open deck for the 208, There is a gen 3 outback on this forum with tt on e85 and it seems to be lasting at 300hp at the wheels. Definitely you dont want problems with the engine, so use high-quality original engine oil. i could hope right? EJ20 engines became more renowned due to their turbocharged versions. Inside of it crankshaft with a piston stroke of 75 mm is installed, connecting rods length is 130.5 mm, cylinder diameter is 92 mm, piston compression height is 32.7 mm. DOHC 16 valve turbo. Or to sell the slow Subaru and to buy WRX STI. 30,000 miles on it. EJ201 and EJ202 has 125 HP at 5,6000 RPM. In 1989 Subaru Legacy introduced EJ20 engine which later became the basic for the whole brand. Unless you are talking RA spec the shortblocks are only slightly different with the 207 having bolt and pin type rods like the USDM STI. Piston design changed, crank oil gallerys are wider.Rods are stronger and better tensioner system. The capacity of the EJ20G stock fuel injectors is 380 cc. The biggest difference is that this engine has a 9.5:1 compression ration which is much higher than other turbo engines of this time, and it was Subaru . ej20k dw6he ej20k dw6he ej20k dw6he . It is followed by an open-deck block equipped with piston oil squirters until the EJ20K WRX engines release. Please see all photos and provided compression video before ordering. I dont mean to threadjack at all, but I enjoyed the read and it left me with a question so the advantage of the ej207 is obviously in the heads, but if you were building a 2.1L would it be "stronger" with the 207 vs the 205. Subaru 75mm Crankshaft - WRX & STI 1998-2005 V4-V8 EJ20 - ScoobyWorx its a JDM engine, a twin turbo legacy GT 2001. ej208? standard 2.0L WRX is right around 8.5, Manley has a 2618 alloy 16cc dish piston with normal comp height in their catalog (0.3xmm clearance to deck) ~8.6:1 if you bore to 92.5mm. With the smaller head volume, the new EJ255 kept the bump in compression to a minimum by using pistons with a deeper dish on them. Version 8 Impreza WRX STI EJ207 Engine with VF37 Twin Scroll Turbo, TMIC, Package for Sale, 2002-2014 WRX EJ205 2.0L Turbo Engine Replacement AVCS(22), WRX STI 2004-2007 EJ257 EJ255 WRX Replacements(2), 99-05 Subaru Impreza Forester Outback 2.0L 2.5L SOHC Engines EJ202 EJ252 EJ253 AVLS(9), JDM Legacy Forester WRX 2.0L EJ20X EJ20Y Quad CAM AVCS 2005-2014(8), FA Series FA20DIT WRX FA20 FRS BRZ FB20 25 Impreza Forester(3), Subaru Outback Legacy H6 EZ30 EZ36 Engine 3.0 EZ36 3.6(5), Subaru GC8 STI EJ20G EJ20K Version 2 & 3(0), Subaru STi 6 Speed Manual Transmissions (11), Subaru 5 Speed Manual Transmission 5MT (4), CVT Automatic Subaru Forester & Impreza (9). However, I hope it is clear that increasing the power of a naturally aspirated EJ20 is non-sense. It is the hottest cylinder and it is cooled worst of all, therefore the piston begins to knock there. contact a headgames. . This is a clean Quad Cam EJ207 engine. The EJ20X was launched in the 2003 Legacy GT matched to a five-speed automatic transmission. EJ20G motor for 1994-1995 WRX STI ver.1 differs in a kind of intercooler, but boost pressure is the same (11.5 psi / 0.8 bar). Subaru initially produced the EJ series engines in 1989 with the intention to succeed the past Subaru EA engine series. 4hks v Gc8 Ej20k 24996-ak012 The 207 crank shaft is also cross drilled. . Originally designed for the North American Impreza STI in 2004 with AVCS and DBW. will the 2.2L impreza L tranny fit on the EJ20 engine. . Depends what you are going for While Japanese-market motors are often less expensive than equivalent US-market motors, there are things to consider before purchasing a JDM motor. The power output varies from 286 HP and 300 HP. The EJ20G and EJ20K are two decades old at the time of writing, and it is difficult to find them in good shape. Recommended Posts. We highly suggest if you are looking for a swap engine to, If you have a V5/6 we can wire it up if you convert it to match an 02-05 WRX. 7900 redline. I want to do a swap, and I want a closed deck EJ20, but it seems they are very rare. Version 7 has a single-scroll turbocharger, top-feed injectors, throttle by cable, and omitted the TGV. In Stock. By VIN code, car vas produced 09/1997, and it is one of the first months of V4 production for JDM makret. EJ205 vs. EJ207 - NASIOC > NASIOC Technical > Factory 2.0L Turbo Powertrain (EJ Series Factory 2.0L Turbo) * As an Amazon Associate I earn from qualifying purchases. Their boost pressure is 13 psi (0.9 bar), and power is 260 horsepower. Non Turbo Cars. It is a bad sign, and you solve the problem only by means of overhaul. Let me know if I need to clarify anything. And the third is Shim-under-bucket style EJ20G: The power ranges from 217 HP to 271 HP at 6,000 and 6,500, respectively. The shim-over-bucket style EJ20G engine was installed in Japanese Impreza WRX or European 1997-1998 Impreza Turbo. Buying a JDM Engine? Here are the differences between the EJ20G, EJ20K But those were the only significant differences. This 2-liter motor replaced 1.8 liter EA82. It can also be referred to as the DOHC Sequential Twin Turbo and inter-cooled engine. By codyjesen, August 26, 2014 in Engine Related. Below is a cost breakdown of parts for a typical EJ20K conversion: Breakdown of costs: Engine: $1149 Wiring harness: $600 ECU: $200 Turbo engine crossmember: $200 Engine management (optional but recommended): $1614 Harness Merge: $630 Total: $4193 with Haltech Elite, $2779 with OEM ECU Engine: $1149 Wiring harness: $600 ECU: $200 Subaru Impreza WRX STi Spec C Type RA car used IHI VF34 turbocharger. High oil consumption. Both have hypercast pistons. 2006-07 SUBARU IMPREZA INTAKE MANIFOLD Auto OEM with Wiring. Ridges and the words 4CAM 16VALVE cast into valve covers. Order a set of 1.5mm head gaskets, and try again. Use high-quality original engine oil. CrawfordSPEC Forged WRX Internals (EJ20/EJ255) $ 749.95. It eventually meets its end, concluding its three-decade tenure after the successful release of the Final edition in 2020, unveiled at the Tokyo Motor Show, a Japan-exclusive limited to just 555 cars that featured the last out of the EJ20. All phase 2 and phase 3 Subaru blocks can be identified by the raised stamp code onthe block. 2.Body type F=Wagon C=Sedan 3.Engine type 8=2.0L Turbo Subaru recommended changing the oil in time and use the recommended oil. If you have a V5/6 we can wire it up if you convert it to match an 02-05 WRX. They don\'t build them like they used to. By The EJ20X and EJ20Y engines are open deck types where the cylinder walls were supported at the three and nine oclock positions. Their boost pressure is 13 psi (0.9 bar), and power is 260 horsepower. I think we all can nod our heads that all engines are not perfect far from being there. Turbocharger inlet runs under intake manifold. And WRX STI S203 and S204, EJ207 were equipped with VF42 twin scroll turbocharger. ty752vbcaa . Without visually inspecting the pistons,or calling Subaru with a Vin number trying to get matching half block part numbers and hope for the best. I do about 8000-10000kms per year. EJ205 and EJ207 engines are equipped with new cylinder heads, the intake ports has been modified, Lightweight pistons were used and new ECU. EJ207 crankshaft differences: 12200AA210 - BE/BH EJ206/EJ208 ---------------- OEM cross drilled crank 12200AA240 - Version 5/6/7 STI EJ207/EJ205 -- OEM cross drilled crank 12200AA270 - Version 8/9 STI EJ207 GDBC ---- OEM double cross drilled and nitrated crank (better oiling and hardened - black colouring) 4HKS V GC8 EJ20K 24996-AK012 213121431 distrato.gr. Heads stamped RHS20 and LHS20: Alright, read this thread like 4 times, cant seem to find anything on my heads. If your country has problems with qualitative gasoline, then use the best of what it provides. I also might stick to the proven 207. Also these motors used the intake manifold with TGV valves (Tumble generator valves) that improved ecological index and the increased compression ratio to 9. This is some decent information, but it seems that Subaru does it's normal thing to sell 5,000 variations in the same shell: Really, so do you have a link for the with that information? 0.6 might be a little too thin. Find many great new & used options and get the best deals for 96 Subaru Impreza STI JDM Ej20k Engine Long Block Bad Compression Gc8 WRX at the best online prices at eBay! Has forged pistons as well. USD. Used JDM 2002-2003 Subaru Impreza WRX STI EJ207 Engine with VF30 Turbo, TMIC and Ecu for 2002 2003 2004 2005 WRX, Used JDM Subaru WRX STI EJ20Y Dual AVCS Quad CAM For 2006-2018 Replacement Engine For Sale, JDM Version 7 V7 EJ207 Subaru Impreza STi Engine with Unequal length Headers ECU TMIC. Your valves are hitting the pistons because the pistons barely have any dish to them, and they're coming up above the head gasket, kissing the valves. If you have a turbocharged EJ205, you will need to buy an STI intake system, VF30 turbocharger, blow-off valve, ACL bearings, aluminum 2-row Mishimoto radiator, FMIC, Walbro 255 fuel pump, boost controller, and a 3-inch performance exhaust system. In terms of reliability, owners of the naturally aspirated should be ecstatic since their engines are more reliable and have a longer life than the turbocharged ones; they can last more than 150,000 miles. Max, does your 99 WRX Block have a small R20 on it? The engine has an excellent compression in all four cylinders. Here is a clean and compression tested JDM EJ20Y STI off of a GR Chassis. EJ20G engines fall into 3 categories: 1. 96 Subaru Impreza STI JDM Ej20k Engine Long Block Bad - eBay There was also twin turbo EJ208 engine which used VF25 and VF26 turbochargers in the first generation, then VF31 and VF32 turbochargers were used. ej20k vs ej207 - cnatrainingnyc.com Subaru EJ20 is a flat-four gasoline engine with SOHC and DOHC releases; there are also turbocharged versions and corresponding upgrades that were modified to cope with the rising technologies of the automotive industry. The Version 5 and 6 EJ205 and EJ207 is a good motor, but it is over 15 years old now. Been on a local used stuf warehouse.. they have about 10+ turbo-Ej20 for sale.. Fantastic replys and definitly given me something to think about. Everything You Need to Know About the EJ20X EJ20Y Engine - Flatirons Tuning You have to change engine oil (each 7500 km) in time and to use what Subaru recommends. To reach beyond the 500 HP mark on the EJ207 engine, you need head porting and forged pistons. These two are Phase 2 engines with new SOHC heads, open deck block, and lighter pistons. V1 uses 3 smaller plugs for camshaft position, crankshaft position, and the knock sensor while V2 combines these into a single 12 pin connector. Actual item photos. Difference between ej25 vs ej257 | IW STi Forum Essential accessories: Sensor group that islocated on the strut tower bracket (passenger side for left hand drive countries) (although for the V5/6, USDM equivalents exist); mass airflow sensor with housing. The motor also features a lightweight crank pulley, Samco turbo inlet, HKS oil filter sandwich plate for easy install of an aftermarket oil pressure sensor, and a Pleasure Racing tuned ECU is included, already tuned for the aforementioned mods. In this guide we will focus on the engines found in the first-generation Impreza WRX and STI, commonly known as the GC generation. This is not new to the engines because others experience this too. I have read on some other sites that the ej257 has issues with strength vs the reliable ej207. EJ20H engine differs in that it uses DOHC cylinder heads and two VF13 and VF14 turbochargers. i have a 1998 type r sti with a ej20k engine with rod knock apparently. To attain more than 350 HP of power on your EJ207 engine. Clean and Low Mileage JDM 2008-2014 Subaru WRX STi EJ207 Ver.10 2.0L Engine Swap with Ball Bearing VF49 Twin Scroll Turbo, 2015-2020 JDM Subaru WRX STi VAB EJ20Y Engine 2.0 Twin Scroll VF49 Turbo Very Low Original Miles EJ207, JDM Subaru WRX STi VA EJ20Y Engine 2.0 Twin Scroll Dual AVCS with VF49 Turbo Very Low Original Miles EJ207. Thanks for clarifying what you meant. It's easy! And yep forged pistons for v7 jdm and all Aussie sti 207's. I'm not listing sources as there are too many Everyone says there is no way to tell if an engine (specifically a short block), is a WRX EJ205 or a STI EJ207. More information about this process can be found if you click here. JDM Version 7 V7 EJ207 Subaru Impreza STi Engine with Pleasure Racing Equal Length Headers Tuned ECU and other Modifications. It still leaps to the red line, does not consume oil or coolant, has no compression or crankcase pressure issues and has passed 480,000 kilometers replacing 3 sets of plugs, 4 timing belts, 2 water pumps a turbo and the usual suspension joints. There are no TGVs also. The cylinder bore diameter is 92 mm, piston stroke of 75 mm, 130.5 mm connecting rod length, and a compression height of 32.7 mm.