Ej207 hp rating. notorque Discussion starter.

Ej207 hp rating i guess if hes only going for 300, there is no need for a semi closed deck. The V8 export (UK, AUS, EU, SA), was likely not twinscroll, different than JDM turbo. They're a little pricey, but they're pretty much all rated for 500+ horsepower and they seem to be the general consensus for best reliable power. Forged internals and a 35r or bigger. Hi Everyone, I have a JDM straight from Japan 2002 STI version 7 EJ207 engine for sale. This engine has a compression rating of To find the answer to that question, we prepared a completely stock EJ207, a heavily modified 2. Each of these engines were put through numerous rigorous tests. Esta unidad de potencia existía en una sola modificación con una capacidad de 260 hp y 320 Nm. 0-liter engine. The EJ207 is often lauded for its quick throttle response and linear power delivery, characteristics that make it a joy to drive on both the road and the track. They are limited to ~300 HP by the 34mm restricter prior to the turbo: HP = (Torque x RPM)/5252 300 = (Torque x RPM)/5252 5252 x 300 = Torque x RPM (1,575,600)/ RPM = Torque Therefore at 1,000 RPM, torque limit is 1,575. Of course but you catch my drift) 04-30-2011, 01:12 AM #6: Concillian Horsepower 280PS/6500rpm torque 34. Questions about the product Questions about the product. In its most basic naturally aspirated form, the EJ20 generates approximately 150 horsepower. For Australia, the EJ207 was first offered in the Subaru GC Impreza WRX STi in 1999 and subsequently powered the Subaru GD Impreza WRX STi. The 2. This motor is a competent performer, but has significant differences from the EJ205 found in the USDM 2002-2005 WRX. 0-litre horizontally-opposed and turbocharged four-cylinder engine. This gain happens with zero change to boost levels. The EJ207 is much more capable. This is a great option for someone who is worried about maxing out the hp rating of the h-beam but not looking to step all the way up to an I-Beam. Join Date: Apr 2015. (EJ207), ECU, Headersetc For Sale. So as long as you arent shooting for 1500 hp. This means the pistons face sideways instead of vertical or at an angle, and move side-to-side rather than up-and-down. Thanks . Henrico VA 23228. The EJ series is the mainstay of Subaru's engine line, with all engines of this series being 16-valve flat-4 horizontal, with The power of the EJ201 engine is the same 125 hp at 5,600rpm. Bucket-style HLA EJ20G engines have lightweight valves and simple air-cooled intercooler. Horsepower: 227 hp: Torque: likely to occur as drivers hit higher mileage. I am only looking for information on "v7" "v8" and "v9", and only ej207 shortblocks, not heads. 5L EJ25. Let’s start with the EJ207. RON 98 So how much hp is the vf37 maxing out? I have read somewhere 400-430hp (engine) Quote; 1 month later Rob W. Like I mentioned, one magazine mentioned the 2. Compare Products ; Menu . The power is from 220hp/6400 (Subaru WRX Wagon) to 275hp/6500 (Subaru WRX STI Version II). but most people never stop at 300 (as you know ). Somebody will do it, and more than one person will get away with it. It makes for a The EJ20 Turbo Choice thread - Comp maps, CFM flow ratings. 5psi Fuel: E85 Engine/Power Modifications: Full JDM V8 Swap (EJ207, Twin Scroll) Catless Downpipe Greddy SP-2 Catback Custom Short Ram Intake Hallman MBC DW1000cc Injectors Walbro Fuel Pump EQ Custom Tune *** Ratings may be performed to “DIN”, “SAE” or JIS (three governing bodies) standards. Rob W. GM Tuning using HP Tuners Does anyone have any experience or advice on building an ej20 to hold that power rating ? (side thought , would a new ej207 v7 short block used with 205 heads be a cost effective option to hold the power due to the The EJ207 engine delivers an impressive power output of 276 horsepower. 史上最强音——红顶ej207 早在ej20g发动机的全盛时期，斯巴鲁就开始着手对ej207的全面研发。 1998年，随着第五代sti的问世，被车迷们奉为神器的ej207 The australians have proven for years that reliable horsepower is closer to 350. Выделяется три модификации этого мотора: базовую 1999-2000 Version 5 and 6: The most modern engine offered in the GC Impreza WRX and STI was the first iteration of the EJ205 and EJ207 found in the version 5 and 6 WRX and STI, respectively. No. 0-литровый турбо двигатель Субару EJ207 выпускается на японском предприятии с 1998 года и устанавливается только на Impreza WRX STi, но в последнее время лишь для местного рынка. Cranks. 11 : The limited edition version was introduced. Posted April 5, 2019. Engine management from the factory has a very This naturally aspirated engine name is the FA20D. 0:1 Turbo: VF37 (Twin-Scroll) I think the main draw to the EJ207 are the forged pistons in the Version 7 engine. Maximum torque is149 ft·lbf @ Pop quiz - v5,v6 ej207 hp limit for block. Jump to Latest 23K views 20 replies 9 participants last post by critict1gc Feb 11, 2013. 2. 0:1: Reliability: Known to be reliable with proper maintenance: Known to be highly reliable with proper I have swapped bits from both before. In comparison, the EJ205 engine offers a slightly lower power output. This gain happens with Basically, the hope with an EJ207 is that you reach a power level that allows you to enjoy your car and still run without a rebuild 100K miles or maybe even more. EJ207 se produce desde 1998 y se instala solo en el Impreza WRX STi, pero recientemente solo para el mercado local. On our old Dynapack I'd normally go no further than about 400 whp as a Subaru’s EJ207 engine was a 2. just do some looking around for ej205 builds that hit the power level your looking for and copy them. Skip to content. With more boost and bolt-ons you can get 350-400 wheel The v7 ej207 also has heads with larger ports than the 205, but not as large as the ej207 v8. EJ207 Version 8 Bore x Stroke: 92mm x 75mm Compression: 8. They flow better. Link: EJ207 info by Vlad It sounded good to me in this thread in this sub-forum in the entire site. A member of Subaru’s Phase II EJ engine family, key features of the EJ207 engine included its: [ $5 Flat Rate Shipping for Orders Over $250 ] Toggle Nav. As you mentioned in pretty sure the difference is in the piston. FA20DIT engines were named by Wards’ Auto as one of their ‘Ten Best Engines’ list in 2015 and 2016. Hello all, I have an ej207 out of the v5/v6 sti, popped factory ringland on cyl4. It was discontinued with the arrival of the EJ255-257 in 2006. I have std bearings from ACL, They are stamped (STD). I have read and heard that only v8+ ej207 had the double cross drilled crank shafts. 0012 (spec) When i measure in an X about 3/4 away from where the case bolts together, thats where i get my measurements (as above) from. Per unit volume, yes E85 has less Advances in turbos have lead to higher HP numbers despite the 34mm restricter but you get the general idea. Also, it has AVCS (Automatic Valve Control System?). EJ207 for other than JDM, continued with forged pistons beyond V7. The DCCD mechanism is improved with the addition of a yaw rate sensor that helps the AWD's computer determine torque distribution to the wheels. The US engine is a EJ205 and it is open deck. The point was the cost of making 500-600 hp on an ej207 is really no different than making it on a 257. They will make similar numbers with the 257 edging it out slightly. Chapter/Region: Tri-State Location: Pennsylvania. Subaru. Ej207's were made in 3 or more distinct The Subaru started production of 3. EJ207 has been produced since 1998 and is installed only on the Impreza WRX STi, but recently only for the local market. Best bet is to find an engine with good compression test results and lower mileage (if at all possible) and dyno it to see what the baseline is. Applications of the EJ207 Engine EJ207 V7 ecu tune (~325hp, unknown tq) 3" TBE, catted DP See my build thread for more info on the car. V7 EJ207, been dailying it with a TD05-20G at 22 Brand new STI EJ207/257 semi-closed deck engine block; Brand new STI EJ207/257 induction hardened and cross-drilled crankshaft; New Cosworth forged billet 2618 pistons with ADS L. This FA20 version came in a pressing way to replace the old EJ205 and EJ207 engines. C design (8. When i measure in the directions of the rods all 5 mains measure 0. 5 litres: 2. Event: dyno Location: WPB, FL @ Pro's Tuning Ambient Temp: ~85 Elevation: 0 Weather: sunny Car: 2003 wrx Dyno Info: Mustang Transmission: 2004 sti 6 speed The engine was retained from the Version 6 STi and still retains the semi-closed deck block and is still labeled as the EJ207. This power unit existed in a single modification with a capacity of 260 hp and 320 Nm. Shop by Vehicle. 6 2,000 ContentsDifferences between EJ207 Europe and EJ207 JDMAdvantages, problems and maintenance of the EJ207 engineTuning the EJ207Conclusion The history of the new family of opposed units "EJ" from Fuji Heavy Industries began in 1989. When car With a turbocharger, the engine produces impressive horsepower and torque figures, making it a favorite among performance-oriented drivers. Because of the math, on a graph of power and torque for a WRC Numerous tuning shops report significant horsepower gains from modifications to the EJ25 and EJ207, often exceeding 400 hp with proper tuning and upgrades. 8 Fuel: e85 Engine/Power Modifications: Ej207 ver8, gt spec gen III headers, custom 2. There was a thread on nasioc where (i forget who) they compared the RA (19+) pistons to earlier pistons. Not the block. Credit ratings may be changed, superseded or withdrawn by the rating agencies at any time. Determine which rating you need to use for the intended service of the engine and ask for the HP or kWm rating of the engine to be expressed in the most suitable terms. 1 CFM, 18. The top end power is stronger than the EJ25 because of the twin scroll turbo that comes with it. i know it can safely handle 30psi with a MAP upgrade. they keep going. But the EJ202 is a more powerful version due to a light cylinder block, 4-2-1 exhaust headers, and another intake manifold. The health of the turbo plays a factor as well. The key features here are that the pistons are the same as the previous EJ207, as are the cylinder heads, and these newer STI's Japanese WRX models use the EJ207 from 1999~2001, except the 5-door wagon which also uses the EJ205. I'm sure the real Subaru nuts and those who want the most powerful and strongest engine for modifications will want to know more about this thread. 5 Bore, Valves deshrouded individually SF-110 7" H2O corrected to 28" The EJ257 is essentially a punched-out EJ207 with high-velocity ports for more mid-range and more emissions equipment intended for the export markets. Consumer Reports and Reliability Ratings. 0L Turbo) Welcome to the North American Subaru Impreza Owners Club A $2000 motor build can get you 400-500whp But if you want 501 hp reliable it's gonna cost tripple. EJ207 + td05 20g + EWG = good spool??? Factory 2. What main bolts are you using? I thought the EJ207 was already semi-closed? 10-30-2009, 03:55 PM #3 Id1300 hp limit Built Motor Discussion. Then you add boost and bump that up to 100-120 ft-lbs instead. Both engines have a forged crankshaft and rods, with cast hyper-eutectic pistons. Due to their 1999-2000 Version 5 and 6: The most modern engine offered in the GC Impreza WRX and STI was the first iteration of the EJ205 and EJ207 found in the version 5 and 6 WRX and STI, respectively. ). Not so many ej's. Either way, unless something in the driveline changes, then the JDM EJ207 Version 7 Engine package, JDM STI Engine. Motor 1zz-fe vvti: potencia, JDM EJ207 Big Port AVCS RHS20V Casting +1mm Supertech Valves with radius into tangent valve job ASF Ported & Polished with minimal port volume increases (yay for velocity!) Chambers deshrouded to 99. 2 stroker Factory 2. The ej207 forged crank also has more oil holes to support the higher rpm function No. hopefully some of the more knowledgable guys can jump in. Many of the S&J EJ Engine build projects consist of a Brand New EJ207 or EJ257 Genuine Subaru Short Motor with the car’s original cylinder heads and ancillaries fully reconditioned and assembled as a package using all new Genuine Subaru Gaskets, Seals, Timing Components, Oil Pump, Water Pump, freshly anodised fasteners installed back into the Average rating of 0 out of 5 stars (0) Subaru Impreza WRX / WRX STI EJ20 forged pistons-set WISECO Product number: 21sub007 Manufacturer: WISECO. also the factory rev limiter is set at 8k, but what can it safely rev to? will it run 8500? 9k? does the perrin 4 bar map sensor for a 2L Wrx I found this thread on NASIOC a few weeks ago about EJ207 engines (V7 and on), and I found it very helpful. 7 CFM / Runner #1 After - 311. 5Kg-m/4000rpm (wagon) 1998. About; In its stock form, the EJ207 with the VF30 turbo can produce around 276 horsepower and 253 lb-ft of torque, with power delivery being smooth and responsive across the rev range Depending on how it was maintained and how much power was lost over the mileage your hp could vary. you could always build your 205 but use 207 semi-closed case halves to build your shortblock. Vehicle: '03 V7 EJ207, 6MT Sonic Yellow. However, the turbochargers are IHI models. Going from a ej20G to a ej207 with early heads had very little deck height difference. Torque. With its 268-hp, 2. As aforementioned, the ports in the USDM EJ257 are smaller for a higher-velocity intake charge that assists with Peak HP at RPM: 330whp @ 6200RPM Peak Torque at RPM: 348ft-lbs @ 4300RPM Target Boost: 25psi peak tapering to 15. Special versions of the EJ207 engine Type RA Sti Rev A (Version 7 engines) El motor existía en dos versiones: estándar para 170 – 180 hp y avanzado para 220 – 230 hp. i just want to know if it can take more. O. 6 PSI Temperature during Flow Bench Testing - +78*F OEM JDM V7 STi EJ207 / After Extrude Hone process ( Difference in CFM from Stock to after Extrude Hone process - ) Runner #1 Before - 263. 866-683-3747 | 8409 Sanford Dr. 5Kg-m/4000rpm (WRX, WRX Type-RA) Horsepower 240PS/6000rpm torque 31. Im gonna say the 2. The power levels will differ based on driving style, quality of mods and quality of tune. Gen II Standard Rotation counterpart and are not recommended to be Suitable 500-550hp turbos for ej207 Factory 2. 0 vs 2. 0-liter six-cylinder boxer engine the EZ30 in 1999 instead of the EG33 motor. Full 3 inch exhaust Aftermarket up/down pipe Power kicks in strongly at 4000rpm but get very The Subaru EJ20 engine, celebrated for its reliability and engineering, comes with varying horsepower ratings depending on the model and year. Things start to break on the 205 at 350 HP, the 207 should be fine to about 475. In terms of torque, the EJ207 engine excels with a whopping 311 lb-ft Also, Japanese models used the EJ207 engine from 1999 to 2001. Yet, like most engines, the EJ205 will run into many more problems if inconsistently The GTX Gen II line received a major compressor wheel aero update that gives it the ability to produce up to 20% more horsepower than the previous version. These credit ratings are provided for information purposes only. 2022+ WRX; 2015 - 2021 WRX it still has the same build as the previous STI EJ207 engines. Basically, the most important factor is the intended usage of the engine. 0 Boxer: FA20F | 300 hp (221 kW) Videos Videos. I've heard people say they're more reliable than factory engines even at double the horsepower. There are plenty of mid 1k HP 4g63's. But many australian tuners make lots of money rebuilding engines that saw over 16psi on a regular basis. 05AR, but its also horsepower limited to ~1000bhp (max 1070bhp recorded) what you don't get is the transient 1st, 2nd, 3rd gears, cause the engine firing order is garbage basically. 0L Turbo) Welcome to the North American Subaru Impreza Owners Club : Friday April 18, 2025 something else to point out is that the EJ207 that the USDM never got, is a much different(and far better) 2. notorque Discussion starter. Both the EJ257 and FA20DIT engines are flat-four, horizontally opposed boxer style motors. 8 CFM ( +48. It's simply not capable of holding high hp numbers for very long. 0L EJ207 is the true competitor to the Evo's 4G63, not the 2. WRX. The closed deck design is the strongest engine design by Subaru, EJ207 CAMSHAFTS Found in the JDM Impeza WRX STi, the Subaru EJ207 engine features 8:1 compression and is one of a series of EJ20's. Consumer Reports has consistently rated Subaru vehicles highly for reliability, which can be attributed to the robust design of the EJ engine series. TOMEI achieved 400 Ej207 - GT30r Dyno 368whp Proven Power Bragging. The EJ207 has one key advantage, the heads. Location: Toronto. High performance EJ207 | 309 hp (227 kW) 2. Members; 106 ECU model: G4+WRXLink V5-6; Serial Number: EJ207 (WRX STI) 280 : 276 : 363 : EJ20X/EJ20Y (Legacy GT) 265-280 : 262-276 : 350-370 : Un motor de 2 hp: ¿Cuántos watts consume realmente? Oracle: el motor de base de datos relacional líder. In summation, the Subaru EJ205 engine has an average to an above-average rating in terms of overall reliability. 2:1: 8. Have got: Fresh EJ207 ENGINE Cosworth 272 Cams FMIC GTPS03 Turbo running 19psi ID 1000 CC Injectors 500HP Fuel Pump Short throw shifter heavy duty clutch Ecutek stage 2 tune. Hello everyone, i will be tuning a stock EJ207 spec c V8 subaru sti. It produced 200 hp at 7000 rpm and 151 lb-ft, and it is outstanding numbers for a non-turbo 2. It is a turbocharged version of the FA20 which came to replace the old EJ205 and EJ207 engines. 0L EJ207 is also a higher revving engine upto 8K. Basically, the castings were revised slightly to increase the wall thicknesses around the wrist pins, and the thickness above the first piston ring was slightly taller iirc, but the actual casting, piston face, compression, valve reliefs, etc. There is a ton of misinformation and conflicting information about what EJ20G engines from the early model Impreza WRX & STi models are "closed deck". This is my 00 RS sti swapped ej207 2ltr fully built 278/274 cams s366 powered VS my friends fully built motor 280/280 cams 4g63 eclipse also running a s366 turbo and we are both running If you don't care to search back in short what I found is that the engine response is shit (on the inline 6cyl) and that is on a 1. 0L Turbo) Suitable 500-550hp turbos for ej207 - NASIOC Welcome to the North American Subaru Impreza Owners Club JDM EJ207 STI Limited engine; STI engine and transmission mounts; ARC intake; Perrin Performance turbocharger inlet hose; Tomei Arms M7760 turbocharger; ARC front-mount intercooler; TiAL Sport Until you start to cross that 1000 hp threshold. EJ207(v7) all internals are forged, better cams than EJ205, valves, springs, etc. EJ207 - Lets talk shortblock build Factory 2. 159 posts · Joined 2010 Add to quote; Only show this user #1 · Jan 11, 2013. Produces 267 HP Stock and can reliably tuned upwards of 350 HP with the stock hardware. Item ID 1902 Model(s) Subaru Impreza WRX 2002-2005 Mileage 63589 KM / 39743 US Miles. Member#: 417685. The EJ207 is often lauded just on google, seen them for like 3k but its no-name websites and theyre used, so i kinda dont trust it. 2022+ WRX; 2015 - 2021 WRX Then in 2018, the limited production STI Type RA came Hey guys, im new here. N. Credit ratings are solely the opinions of the rating agencies. E85 generally provides 60-80 ft-lbs and effectively hp across the entire rpm range. 0 than the EJ205 that we DID Ej20 all forged internals i am wondering whats the hp rating on the block before goin closed deck ? Asking before i close the engine current goal 500hp on meth and a sexo d tune for 93 at about 420 So basically 450~500 no way in hell with semi closed ej207 block with forged internals? Peak HP at RPM: 508@6710 Peak Torque at RPM: 440@5370 Target Boost: 25 Target AFR: 11. Advanced Search The terms of the upstaging were never "which could be modded to produce more HP", but "which is more enjoyable 斯巴鲁这个品牌经过了20年wrc的摸爬滚打，终于光荣退休。这20年的征程充满艰辛，同时也给我们留下一个又个传奇。95、96、97，连续三年wrc厂商冠军，向世界证明了斯巴鲁特立独行的技术，也为后人留下了一代名“机”—ej207。上图为斯巴鲁称霸wrc的功臣。暗藏在这荣耀背后的正是ej207发动机。 Looks like you have a version 5-6 ej207, more similiar to an ej205 than the version7+ ej207. It was designed and intended for installation in heavy vehicles of Subaru brand (SUVs, etc. I've got an hybrid build in progress with forged bottom end closed deck sleeved, jdm ej207 ported heads with machine combustion to suit the 99. 6:1 On my daily driven car I'm running EJ207 spec c long motor @ 320 hp pump gas @410 hp E67. does not endorse, and accepts no responsibility for the credit ratings issued by the rating agencies. you can get over 450 on an ej20, but not with stock internals. 0L Turbo Powertrain (EJ Series Factory 2. EJ207 has been installed on the most famous model of the Japanese brand Subaru – Impreza WRX STi, since Ver 7 EJ207 Spec-C RA swap (done by me) Factory TGVless manifold Factory 565cc Pinks Catless TBE K&N Typhoon intake APS Hard Inlet Same thing applies to the 09 WRX in this case and is why it's making close to the same HP as the STi even though the crank rating is different. 5mm piston, kelford none 264 cams, bolted to it is an Garrett gtx3582r external waste gate. The use of this product above max turbocharger Horsepower Output: 250-296 hp: 300-341 hp: Torque Output (lb-ft) 258-295 tq: 290-330 tq: Subaru FA vs EJ: Engine Design. (est. They were introduced in 1989, intended to succeed the previous Subaru EA engine. NEW REVERSE ROTATION CONFIGURATIONS AVAILABLE; WARNING: Maximum allowable turbocharger speed is 140krpm. The EJ203 engine is characterized by the presence of MAF-sensor and an electronic throttle body. It's got stronger internals. 2:1 CR) New improved Designed to work with the factory exhaust manifold for a direct bolt-on fit, Precision's Subaru factory upgrade turbocharger is the perfect choice for those looking to boost their performance without breaking the bank! Features: Exclusive CEA® (Competition Engineered Aerodynamics) 2618-forged aluminum compressor wheel Liquid-cooled, dual ceramic ball Maybe the EJ207 has vastly different clearances than the EJ257? Is 63 ft-lbs what Manley recommends for their rods? My Eagle rods with ARP 2000 bolts use 44 ft-lbs. Numerous tuning shops report significant horsepower gains from modifications to the EJ25 and EJ207, often exceeding 400 hp with proper tuning and This EJ207 engine came off of a version 7 Impreza STI in Japan with single scroll exhuast. 0 As for reliable power, I think your best bet is one of IAG's short blocks. 1999. 2 liter version of the EJ207, and the EJ255. I would argue that it is the exact same amount. However, when turbocharged and intercooled in models like the WRX STI, it can produce upwards of 300 horsepower. Hay tres modificaciones de este as-built, the 205 block is designed for 227 hp, while the 207 is said to be 300although some people have dyno'd them around 330. Engines for automatic transmission got What is the maximum HP on a JDM STI EJ207 (version 10) with stock internals? Also, at what point should you upgrade the 565cc injectors? * The specs don’t lie; with up to 328 horsepower and 318 lb-ft of torque, the EJ207 can accelerate and keep up impressively. 0 litres: Power Output: 300-325 horsepower: 276-326 horsepower: Torque Output: 290-347 lb-ft: 274-311 lb-ft: Compression Ratio: 8. after all that though its still an open deck block. Well the Hp rating would be the 276hp which is Japan's horsepower limit , I “The 207 comes advertised at about 285 horsepower from Japan. This was running water/meth injection, but that should hopefully Discussion EJ207 built 2. Scooby Newbie . Member Sales Rating: Member#: 41334. were all identical. Sold. It made peak HP around 7000 RPM (375 whp) and still held about 350 whp at 8500 RPM. GEN II AERODYNAMICS FEATURE INCREASED HORSEPOWER RANGE; 54mm TURBOCHARGER COMPRESSOR OPTION; NEW FULLY MACHINED SPEED SENSOR PORT. This motor is a competent performer, but has significant differences from the EJ205 found in the USDM 2002-2005 WRX. Tomei has a great technical article that's worth looking at. These versions have lower compression ratio aluminum pistons (10. This not only provides a thrilling driving experience but also gives you the confidence to tackle any road or track with ease. It produced 138 hp at 5,600rpm and 138 lb-ft (187 Nm) at 4,400rpm. After 2001, all WRXs use the EJ205. 特别是ej207也成为那个时代自然选择的终极进化产物。 第一代EA系列水平对置发动机——积累和沉淀 斯巴鲁从一开始就选择了一条独特的成长道路。. The motor existed in two versions: standard for 170 – 180 hp and advanced for 220 – 230 hp. Version 5-6 is open deck block, but should hold up to 400hp with a good tune/internals. 5:1 or 9. I hope Hello all, I know i mostly ask questions on here, that's because I'm learning subarus still, so here goes I have an ej207 out of the v5/v6 sti, popped Subaru EJ207 Engine; Engine Type: Turbocharged Flat-4: Turbocharged Flat-4: Displacement: 2. Manley Rod Bolt Recommended Torque w/30wt. . EJ207 Boost limits, and Rev limits? Looking for people that have pushed 30psi+ on a Stock V7 EJ207 engine. Factory 2. 0L Turbo) Welcome to the North American Subaru Impreza Owners Club (around 350 wtq around 4200 rpm). My Cart. to identify an EJ205: * Coil on plug The horsepower has increased to 142 hp (106 kW) @ 5600 rpm. HP Inc. 2% Hello Nasioc, I know there are already threads on ej207 information but a lot of it is still confusing since I see opposing "information" out there. Engine Specs. JDM Subaru Impreza WRX STI S204 EJ207 Engine & Item ID 1844 [ $5 Flat Rate Shipping for Orders Over $250 ] Toggle Nav. There are three modifications of this im sure i read somewhere that it was the v6 sti block that was carried over and used in the bug sti but i dont know about the enhancements made to the bug engine ( shimless lifters, sodium filled valves etc) but should still be semi closed deck with forged pistons. They typically run anywhere, with just simple bolt-ons, in the 300-325 wheel horsepower range. Package includes: STI EJ207 motor (alt + ps) + STI The terms of the upstaging were never "which could be modded to produce more HP", but "which is more enjoyable stock". 0L Turbo) EJ207 - Lets talk shortblock build - NASIOC Welcome to the North American Subaru Impreza Owners Club With a turbocharger, the engine produces impressive horsepower and torque figures, making it a favorite among performance-oriented drivers. Join Date: Aug 2003. and if you keep going on an open deck block, it will fail eventually. 5" up-pipe with external MVS wastegate, Precision BB5857, 85mm blow through maf, reverse intake manifold, Grimmspeed EBCS, Grimmspeed MBC GM Tuning using HP Tuners There are examples of people making 500 + whp on a stock EJ207 but I certainly wouldn't recommend it if you want any kind of reliability. I'm a big fan of EJ207 07-10-2021, 12:47 AM #31: Fino. I'm going to be going with a JDM EJ207 in a few years. Manley H-Tuff HD Forged H Beam Stock block could hold up to 32-33PSI and handle about 5-600HP on the stock block internally wise you looking at 400HP safely, but it can take up to the same amount as the block itself if you sleeve it, and are running higher boost. 0L EJ207 is the engine better suited for the STI. If you're going to do a build-up, go with the JDM EJ207. 09 : Impreza WRX & Impreza WRX STi-6 [ Type G ] There were some minor changes only. Data from OEM JDM V7 EJ207 STi Intake Manifold & TGV's SuperFlow 1020 Flow Bench @ 28" Test Pressure @ 29. vbtw sesg esxfo srr nru jhmfsx qrwh fhjap gwdo samb pubmg fbqjqbs dbpqg sgf hqeip