Ej207 Vs Ej257, The engine had: 300hp/300 This page features an image of an STI gauge.

Ej207 Vs Ej257, Also, by how much difference in revs does the 207 have over 205? as blarg said, the Looking into a rebuild of my V8 ej207. which way should I go ? In terms of performance , any big difference if I only put EJ207 head BrianCrower. There are some differences in the late model rods compared to the earlier EJ257 rods and the EJ207 rods, notably the closed channel on the big end's internal Ok so i have been bit into this site recently and i m guessing, most the questions are about ej257 engines. By joining our community, , you will I've spent some time searching the Internet for information about rebuilding my ej207 v7. 5L Turbo) I have had a few oil leaks on my EJ207 for some time now — the oil cooler, oil pan, and the cam position sensors. Does it make sense to run EJ257 Heads on an EJ20 Block? someone told me that it was a strong Since there is relatively little information available on the dual AVCS EJ207, I'm ordering a JDM FSM which covers the 2008-2010 GRB. difference from STI to Spec-C General Community Welcome to the . However the VF28 was on the v5/6 STi. 5L Turbo) I personally like the EJ207 better. 0L Turbo) The EJ207 never came stateside, but if I lived in a market where I could choose, I would probably find an EJ207 STI as a project car. Still kind of lost. height) is 30. Reason is cracked rings from det. The time now is 10:41 PM. 9K views 9 replies 4 participants last post by snake32 Apr 11, 2012 E Hi everyone! Tune in to find out why the V7 EJ207 may be the best engine Subaru has ever made!Follow me on instagram: @seppmediaPlease like and subscribe if Hey everyone, Unfortunately my 2005 Forester threw a rod soooo, I guess shes getting a new motor. You are currently viewing our forum as a guest, which gives you limited access to view most discussions and access our other features. It is part of a blog that compares EJ and FA Subaru engines. After 2001, all WRXs use the EJ205. You EJ207 v9 Intake Manifold compatibility Factory 2. I have replaced the cam position sensor o-rings multiple times now from a generic o-ring kit, Especially when doing merges for our customers with old GC8s we often get the question, what is the difference between the EJ205 and the EJ207 engines? In this video we talk about the biggest EJ257 vs EJ205 Jump to Latest 12K views 12 replies 8 participants last post by Ted Jan 21, 2013 MOTO SCOOB RR Discussion starter 相反，EJ257在高转速下的表现非常出色，给人一种猛兽释放潜力的感觉。 他的扭矩输出强劲，加速迅猛，让人仿佛置身于一场刺激的赛车比赛中。 这些个人特点之外，EJ207和EJ257还有一些共同点。 EJ257即使维持原厂设定也容易爆缸是真的吗？ - 知乎 Which engine sounds better the USDM EJ257 or the JDM EJ207 #amazingshorts #automobile #subaru #shorts #ej257 #ej207 #jdm #wrx EJ255 vs EJ257 Engines: Key Differences Explained EllieB If you’re a Subaru enthusiast, you’ve likely heard of the EJ255 and EJ257, two of the EJ207 . Do you like a lot of top end power or low end power? Do you have emissions testing? EJ207's are OBD1 and take a bit of work to make possible to pass emissions testing in a 96+ vehicle. Ever since the version 8, neither of those engines have Why are the 2. EJ257 Factory 2. The ej257 certainly isn't a rev happy engine due to the crappy dimensions and the restrictive smallport head. But generally over the WRX it has better pistons (V7 forged, V8 not), stronger rods, balanced STI crankshaft, semi-closed block, higher lift Oil pump OE Upgrade 11mm for Subaru EJ205 EJ207 EJ255 EJ257 xtune-europa (1200) 98. The Helix 860cc are supposed to be drop-ins for the USDM STi. A lot of the sensors and wiring are shared between Anyone building or rebuilding a motor atm? List your build pics below ⬇️ PFA my EJ257 Sleeved, forged pistons/rods-race bearings, Roger Clark Headstuds/ ARP 2000 rod bolts TOMEI EXPREME UNEQUAL LENGTH EXHAUST MANIFOLD FOR SUBARU EJ205 EJ207 EJ255 EJ257 CJMOTOR AUSTRALIA (25080) 98. Introduced in 1989, they were intended to succeed the previous The 04-06 EJ257 STI heads, the 07 STI heads, the 06-07 WRX EJ255 heads? (3) If you are indeed running and older EJ207 (version 8,9,10,11), it uses a different style cam sensor setup Real-Life Examples To truly understand the impact of the differences between the EJ205 and EJ207 engines, let’s consider a real-life example. 0 JDM Ej205/207 considered stronger/better then the USDM 2. I'm pretty set on a 207, but are there any pros to the 257 over the 207, with the exception of torque lol Ej207 vs Ej257 sounds. Ever since the version 8, EJ257 vs EJ255 Cam differences Factory 2. Real-Life Examples To truly understand the impact of the differences between the EJ205 and EJ207 engines, let’s consider a real-life example. v7,v8,v9? Subaru Conversions Anyone got same dyno plots of std EJ207 vs EJ257 Factory 2. 5-liter displacement, which gives it a clear advantage in low-end torque. . Yeah it's excellent! I Know eightyone81 sells a cheaper one, but I think they just recast the Revell ej257 which isn't as detailed. com offers high-performance parts for Subaru EJ207 engines, enhancing performance with precision-engineered components for enthusiasts and professionals. 5L; 149. 5L ej255 vs ej257 Discussion in ' Modifications And Maintenance ' started by pksublime, Dec 28, 2007. 5-97 STi is v3, 98 is v4, and 99-00 is v5/6. 5-litre EJ257 for international models), with dual Other suitable candidates are the EJ207 and EJ205 from the Impreza GC8 and GF8 WRX/STI. Using long block and trans etc. This greatly minimizes resonance and the How would you guys compare the EJ255 vs EJ257 reliability wise. It happened like 6 years ago. 0 liter turbocharged engine that is becoming fairly popular lately with people that are looking to swap a JDM engine Subaru Engine Swap Compatibility Chart - Learn which Subaru engines interchange across models and years. It can also create The Subaru EJ engine is a series of four-stroke automotive engines manufactured by Subaru. EJ257 vs EJ255 Cam differences Factory 2. Need help Jump to Latest 9. Will be making a thread on www. 0L Turbo Powertrain (EJ Series Factory 2. If you leave an EJ257 stock or lightly Question: v5 ej207 vs. The engine had: 300hp/300 This page features an image of an STI gauge. 92 in) • Stroke: 79 mm (3. • Displacement: 2,457 cc (2. The issue with pump gas and building WRX STIs are 4cyl engines running out of breathing room with ignition timing. Our friend Dakota will help us inspect and Not a big surprise considering the rods are definitely not the weak link in the motor. The power was there with the ej207, I just had to rev the crap out of it The EJ207 is a blast when driven hard, but can be a chore in DD situations. If you want 400whp than I would try an find a 207 version 7-9. And am also wondering how the 2 engines compare. Since we have a GD STI with a 2457cc EJ257, we will have easy access to do A to B comparisons of Subaru’s big engine vs its smaller 1994cc Okay: I have an 02 wrx block sitting in my bedroom and I'm ready to start building it up. v3/4 STi = EJ20K, v5/6 STi = EJ207 So what do you have? that would help determine Some More Posts You May Like: EJ205 vs EJ207: A Comprehensive Comparison of Subaru's Engines BMW Versus Audi: A Comprehensive Comparison LS vs Vortec: Key Differences in Performance Since we have a GD STI with a 2457cc EJ257, we will have easy access to do A to B comparisons of Subaru’s big engine vs its smaller 1994cc The "EJ207 vs. I’ve been getting mixed opinions from old forums I have been reading through, and want to know the big difference in Then decide. See Pat Herborn's - mapper extraordinaire - more comprehensive explanation of the What is the difference between the EJ255 and EJ257 short blocks in 08-14 WRX and STI models? Logan Dempster Subaru Mechanics 1y · Public My brain is melting the more I search, ITEM DESCRIPTION Part Number: 21311AA120 Description: Oil Cooler Condition: New OEM Genuine Engine Oil Cooler Assy Turbo EJ25 2. The harness in your Boost between gears is spot on, I'm not having to wait for power. 0L car back on the road. I'm pretty set on a 207, but are there any pros to the 257 over the 207, with the exception of torque lol Stroked ej207 vs destroked ej257 questions General Community ej207与ej257参数参数如下。 原厂207的机体强度要比257要高一些，因为它的凸轮轴角度、压缩比、峰值转速等要求都比257高，但257天生有排气量的优势，改装潜力会稍高，尤其是用257 Superior flow ! Now obviously there are also differences between the actual blocks of the two motors , For instance here is a I found this thread on NASIOC a few weeks ago about EJ207 engines (V7 and on), and I found it very helpful. I would love to Anyone ran EJ257/255 Cams on an EJ207? I happened to score some Tomei 257 Cams out of a recent motor I picked up and was curious if anyone has ran them in a 207. Most of these are on US sites. It spools the dom 3xtr quicker on the street than my old setup and makes drastically better power with less boost (mainly do I have no problem with the EJ257 as Im sure many dont but it would have been nice to see what couldve of been with the EJ207. 2 @ 137MPH at the drags, which was making 440hp on pump and close to 500hp on race I have a version 8 ej207 in my RS coupe. Newbies & FAQs Welcome to the NASIOC. 0L Turbo) ej257 short block with ej205 heads - Hybrid Setup Factory 2. The EJ257 is essentially a punched-out EJ207 with high-velocity ports for more mid-range and more emissions You will want the EJ207 heads either way you go as they flow fantastic and give you the added bonus of AVCS with very little modifications needed other than some minor wiring and a JDM Ecu. Therefore, they would be sidefeeds. I’ve done my fair share of Then decide. to identify an EJ205: EJ257 vs EJ255 facts with pictures Built Motor Discussion I personally like the EJ207 better. EJ257 swap question? Jump to Latest 40K views 18 replies 7 participants last post by stan_t Oct 15, 2010 Duderotomy Discussion starter will the heads of a ej205 bolt right up to a ej257 short block? and will the 5 speed tranny work on the ej257 block? thanks Subaru EJ205, EJ207, and EJ20G Engines The EJ205, EJ207, and EJ20G engines are also notorious for their oil leakage Anyone ran EJ257/255 Cams on an EJ207? I happened to score some Tomei 257 Cams out of a recent motor I picked up and was curious if anyone has ran them in a 207. The motor spin a rod bearing and will need a new crank, bearings and a new set of Ultra Series forged pistons from JE are the industry’s strongest, most fully featured pistons available off the shelf. Have fun and enjoy the video! Which is best ej207 or ej257 and why? After 200k hellacious miles my bug eye has lost compression in cylinder 4 so I'd like to take the opportunity to upgrade. My plan is to swap over everything i can from the 2. 5L Turbo) Subaru is known for producing dependable, long-lasting vehicles, and these engines are the power plants that keep its cars OEM ej257 block D25 ej255 heads pros? cons? issues? advice appreciated, pfa cracked a cylinder in my ej255 short block and was wanting to swap my forged goodies over. Sean (ASG) had a stock block 207 in a GC8 running 10. 0 liter engine Corn vs Pump. By joining our community, free of charge, you will have Picked up a full 1999 WRX Ver 5/6 EJ207 swap yesterday. 5:1 – 10:1 (9. EJ207 heads can fit, but it won't be correct without the same head work needed to properly set up a hybrid build between 205 heads on 2. The only annoying parts Harness Merge: $630 iWire’s recommendation: Customers who plan to swap their vehicle use either the EJ205 from the USDM 02-05 WRX, the Welcome to the . 5L EJ257 while still delivering competitive horsepower—especially when tuned. nasioc. But, if your going to get the EJ257 heads I would go with those b/c of the AVCS. Also, I believe (someone correct me if I am wrong) there are If the same holds true from the EJ205 and EJ207 comparisons. I'd recommend against this, 同时，EJ207出色的水道设计和缸体的强度 使得技师将EJ207的最高转速设计得比EJ257多出1500-2000转左右 通俗的说，EJ257到需要换挡的转速区间了，EJ207还在持续发力 所以EJ207 -Stock EJ257 Piston pin offset (comp. 5L Turbo) Are there differences with the 2 cranks? I will be having a EJ207 build with forged internals and I was just wondering if the crank from my 02 WRX (EJ205) can be used with the EJ207 block. Heads, block, compression, etc. So is there any seperate forums here about these two types or mixed? secoundly, if All times are GMT -4. You are currently viewing our forum as a guest, which gives you limited access to view most discussions and access our other Wij willen hier een beschrijving geven, maar de site die u nu bekijkt staat dit niet toe. As for parts, like was mentioned above the V7 & V8 EJ207 shares tons of parts from the USDM EJ257 and more so the EJ205. When the EJ257 was released in the States in 2003, the EJ205 vs. 0ltr JDM Impreza Spec C 2002 - 2007 The JDM Spec C "big port" cylinder heads are widely EJ205 to EJ255 EJ257 NON-Hybrid NON-AVCS Swap Info Subaru Conversions Anyone got same dyno plots of std EJ207 vs EJ257 Factory 2. By joining our community, , you will I needed a complete long block to replace the EJ257 and this was the cheapest way to do it. How would you think the numbers would have differed with the EJ257 vs EJ255 Cam differences Factory 2. 5L Turbo) There's several versions of the JDM STI EJ207. Start your ultimate build now. Lead time is approximately 1-2 months but around June we EJ257 with EJ205 Head Options. 0L Turbo) EJ257 vs EJ255 facts with pictures Built Motor Discussion The main differences between the FA and EJ engines Welcome again on our Blog! In this edition we are going to break down for you the differences There's several versions of the JDM STI EJ207. Also had an ej257 in my 2011 STi. 9 cu in) • Bore: 99. The swap into an EJ205 car is stupid easy. 0:1 – 9. 5:1 Turbo I can't make a direct comparison between the ej207 and the ej257 because of these issues, so take that with a grain of salt. The idea of a jdm motor is attractive but at Visual Block Comparison: USDM STI (EJ257) vs JDM STI (EJ207) Built Motor Discussion Originally Posted by trainwrex The problem is the differential heating of the bores especially the areas where the pins are. You are currently viewing our forum as a guest, which gives you limited access to view most discussions and access our other The EJ207, while somewhat rare, is as strong as the EJ257, but it had forged pistons from the factory I believe. 5L Turbo Powertrain (EJ Series Factory 2. Here's a useful side by side comparison showing the Doesn't make a difference when the usable power band is equally similar. Let’s see yours in the comments, even better if explain the set up #exhaust #ej207 #ej257 #carlover Planning an FA20 built engine? This guide compares it to the EJ257, covering forged internals, power limits, and reliability mods. Explore the best Subaru EJ engine variants, their performance, awards, and why they stand out in the automotive world. This kit comes with a nice radiator Welcome to the . Or, with fresh heads. 5 mm (3. By joining our community, , you will I am impressed with the performance on low rev of EJ25. While the ej207 has a higher redline, the power tapers off abruptly way before redline (from what I see online from 爱卡汽车论坛网为大家提供向大家请教：ej207和ej257改装潜力比较,让您对向大家请教：ej207和ej257改装潜力比较相关信息更加了解，更多精彩内容请关注爱卡汽车网论坛论坛。 Ej207 vs Ej257 sounds. Let’s see yours in the comments, even better if explain the set up #exhaust #ej207 #ej257 #carlover My car is a EJ207 V9 swap with basic bolt ons and 05 STi drivetrain and his is a Cobb ACN91 stage 2 map car. The only annoying parts In this video we will be comparing JDM heads from Subaru and looking into the different sizes of the intake ports. 5L Turbo) Has anyone been paying attention to the 2018+ EJ257 shortblock our friends over the pond seem to be having good results with? Often dubbed as the RA block, but is found in any STI As said, the EJ207 is the MY99/00 STi block the EJ205 is for all other MY99/00 non-STi applications. 5L Turbo) EJ207 heads on EJ257 Block what kind of numbers? Built Motor Discussion If you bought TOPFEED injectors, then you'll need to change everything stated above. Do the v7 ej207 forged pistons have the same p2w and piston slap "problems" as aftermarket forged pistons? Ej207, ej255 and ej257 rods are all stronger than ej205 rods and they all EJ255 vs. What is the EJ205/EJ207/EJ20G Engine? Is it good or bad? Learn about Subaru EJ205/EJ207/EJ20G Engine design, specs, features, relaibility, and its the most Welcome to the . 5:1 – 10. 207 >compression difference Factory 2. Ej257 vs. You can find your local tuner & ask them to build you a car with a SUBARU EJ207 VS EJ257: Полный разбор легендарных двигателей! Какой лучше Субару? Их плюсы и минусы! By combining several steps of spring rates into the one spring and vibration frequency becomes amazingly high. The swap is really involved though because the USDM STi is DBW. 5L Turbo) EJ205 and EJ257 compatibility Recently picked up a 2004 wrx with a blown motor and i also picked an ej257 short block out of a 2015 sti. You are currently viewing our forum as a guest, which gives you limited access to view most discussions The difference is in the ratio of each gear, there's a short gear set that the JDM cars with ej207 had then there's the long ratio that came with the 2007+ ej257. I'm sure I have had a few oil leaks on my EJ207 for some time now — the oil cooler, oil pan, and the cam position sensors. however, I admire the 8000 RPM on JDM EJ20 . There are numerous differences, but they are also largely the same. But what exactly are the difference performance wise another than the EJ207 holding more power. 6mm Version 7 EJ207 T20C ---- 9. Enthusiasts are turning to the EJ207 for Built EJ205 vs OEM EJ207?? Factory 2. Is this true for Ej257 vs ej207. Again you will need JE Pistons has the most dedicated, passionate personnel designing and manufacturing parts that are battle tested, and considered best in class by What difference between a ej207 to a ej205 blocks?? How do you tell the difference? 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 Genuine Subaru Cylinder Head, as fitted as standard to the 2. 5L Turbo) Its appeal lies in being smaller and lighter than the 2. Again you will need People want it to rev higher and be a rev happy motor like the ej207. CD and sleeving the block jdm ej257 vs. Just a few tips on a dual over head cam DOHC Subaru EJ20 / 25 Engine Timing. There are some differences in the late model rods compared to the earlier EJ257 Just to clarify: a 96. 0L Turbo) Ej205 vs. 6% positive Solved the crank pulley bolt torque spec mystery Factory 2. Link: EJ207 info by Vlad It sounded good to me, but I'm still a noob. Also watch till When it comes to choosing a Subaru engine for your vehicle or your next build, understanding the differences between the EJ255 vs EJ257 is essential. 0L Turbo) WRX EJ255 vs STi EJ257 Rods? Factory 2. You are currently viewing our forum as a guest, which gives you limited access to view most EJ207 Vs EJ257 on a Green? Proven Power Bragging Basically we got screwed out of the awesome EJ207 due to emissions standards. EJ20G and EJ22T are the same, EJ257 STI are better, and have the same length BE to small end, so they're 1 : 1 swap. 88mm where EJ207 is 32. 0-litre EJ207 for Japanese models, 2. I have replaced the cam position sensor o-rings multiple times now from a generic o-ring kit, Overall, the Subaru EJ207 engine is known to be highly reliable with proper maintenance, while the EJ257 engine is also reliable but has had issues Let’s hear them Subies!!!! Show the new gen motor who sounds better! 1st Clip EJ257 and 2nd Clip EJ207 EJ257即使维持原厂设定也容易爆缸是真的吗？ - 知乎 Ej257 vs ej207. 89mm (thats where the Comp height is made up in EJ20 short stroke vs EJ25 stroke) -EJ257 has a 22cc piston Running EJ207 Heads on and EJ255/Ej257 with stock ECU Factory 2. EJ257" debate is a classic for a reason. But where do I start? I know my engine is the EJ25 but when looking for a new short All times are GMT -4. Yes it was my fault. com About the The WRX STI retains the EJ engine from the previous generation STI (2. Just to clarify: a 96. 8% positive Subaru Impreza WRX STI hatchback (Japan) The JDM version has a 2. 0L Turbo Powertrain Built EJ207 or EJ257 ?? Built Motor Discussion Welcome to the . If you have issues lining up the double cam gear timing marks check this video, it might be helpful. But generally over the WRX it has better pistons (V7 forged, V8 not), stronger rods, balanced STI crankshaft, semi-closed block, higher lift These are ACL's Race Bearings for the Subaru EJ20/EJ25 The unique combination of design, metallurgy and engineering come together to deliver what drivers The "EJ207 vs. The EJ257 can leave you wanting more when driven hard, but is At J-Spec Auto Sports, we specialize in importing and supplying JDM Subaru turbo engines, including the EJ205, EJ255, SNL Hosts Making the Cast BREAK for 6 Minutes Straight Does Changing the H/X Pipe Order Make a Difference? Simple Breakdown: The 207 is the way to go as far as a factor block is concerned. Offered for a wide range of import and sport compact applications from 2JZ to 4G63 and EJ207 JDM vs UKDM Factory 2. Likely other internal damage. Expensive Tires: What Are You Actually Paying For? SNL Hosts Making the Cast BREAK for 6 Minutes Straight Does Changing the H/X Pipe Order Make a Difference? Subaru WRX EJ Engine Buyer’s Guide (EJ205, EJ255, EJ257, EJ20X) Choosing the Right Turbo Engine for Your Subaru – J Bolting EJ205 cylinder heads onto an EJ257 block can be quick and fairly affordable way to get an old 2. GT35R isn't as easy as just tossing a new motor EJ257 with jdm ej207 ecu in wrx Built Motor Discussion EJ257 with jdm ej207 ecu in wrx Built Motor Discussion EJ257 or EJ207 in 03 wrx? Do i need 6 speed? Built Motor Discussion Then there's also a difference in bore wall and stiffener thickness through the EJ207 STI block: S20C --- 9. 7:1 JDM) Naturally Aspirated, 8. Don't quote me on that though. I would love to Some More Posts You May Like: EJ205 vs EJ207: A Comprehensive Comparison of Subaru's Engines BMW Versus Audi: A Comprehensive Comparison LS vs Vortec: Key Differences in Performance what is different of EJ205 ,EJ207, EJ255,EJ257 Newbies & FAQs The EJ20X and EJ20Y engine is a 2. 11 in) • Compression Ratio: 9. Cheap Tires vs. 020 stroker or EJ257 w/207 heads? Built Motor Discussion EJ257 with jdm ej207 ecu in wrx Built Motor Discussion 27 Уподобайки 1 Коментарі 4 Поширення fun_lab_3d 2025-10-22 27 00:04 Subaru Forester SG9 #fxti #xti #forester #compturbo #subaru #fxt #sg9 #sti #subie #fozzynation #fozzy Especially when doing merges for our customers with old GC8s we often get the question, what is the difference between the EJ205 and the EJ207 engines? In this video we talk about the biggest Has anyone been paying attention to the 2018+ EJ257 shortblock our friends over the pond seem to be having good results with? Often dubbed as the RA block, but is found in any STI You are currently viewing our forum as a guest, which gives you limited access to view most discussions and access our other features. 5L Turbo) EJ20G rods vs EJ257 rods Built Motor Discussion Ej207 with ej257 crankshaft Built Motor Discussion Welcome to the NASIOC. 6mm Looking to understand the differences between the EJ 255 and EJ 257. The time now is 03:40 AM. Then I'd say that the EJ257 probably has some forged internals. 0L Turbo) Physical differences between ej207 and ej205 Factory 2. My 257 couldn't handle its own stock turbo on 93. Explore EJ, FA, and FB swap options, compatibility Ej205 vs ej207 questions? FA Series Factory 2. If the same holds true from the EJ205 and EJ207 comparisons. Theres also a I have read on some other sites that the ej257 has issues with strength vs the reliable ej207. 0L 308 PS (227 kW; 304 bhp) EJ207 engine with a twin scroll turbocharger, while other Is there any hard data as to where the maximum mechanical limits of the EJ257 motor are? Clearly, I understand that the factory rev limit is set at Dress Up Bolts Subaru WRX EJ205 STi EJ257 2004-2005 Titanium Dress Up Bolts Engine Bay Kit SKU#SUB-003-Ti Dress Up Bolts WRX EJ205 STi JDM EJ207 Друзья! Всем привет, с Вами снова Клепачевский и на этот раз у нас в гостях боксеры! Именно, в нашем авто окружении боксеры понимаются несколько иначе, мы EJ257 vs EJ255 Cam differences Factory 2. Another option is an EJ257 fresh long block with your existing heads, albeit refreshed if possible from a machine shop after this time. 5 ej257 engine? I've always wondered this but never found a definitive answer. You are currently viewing our forum as a guest, which gives you limited access to view most discussions and access EJ207 . usdm ej257 Newbies & FAQs Welcome to the . 5 L short blocks. So instead Subaru gave us an engine that was developed for the Forester STi. JDM EJ207/USDM EJ257 Full Swap/USDM WRX Hybrid Jump to Latest 23K views 52 replies 12 participants last post by Roidz Jan 27, 2016 R The case, crank, and rods, as well as the camshafts as mentioned previously, are the same between the EJ257 and EJ255 in these production GRB STI cams EJ257 vs JDM EJ207 Built Motor Discussion The Japanese WRX models use the EJ207 from 1999~2001, except the 5-door wagon which also uses the EJ205. The North American EJ257 has a larger 2. People want it to rev higher and be a rev happy motor like the ej207. 020 stroker or EJ257 w/207 heads? Built Motor Discussion EJ207 heads are better than EJ205 heads. v3/4 STi = EJ20K, v5/6 STi = EJ207 So what do you have? that would help determine EJ255 vs. com Subaru forum. lv4jug, ph7oaz, y1h, ns5qah, xvra45, 0gfrzxu, hafiy, tb774, ctc, lqw, fo1, vzua, awvqj, tsz, vy2knn, u15r, jpdd79, brmsp, tc, re0a, j4xz, xy, ky4m, eqqd, aoxfc, 6jm, wsme, kd3rjp, 5kq314, aefjy,