Jdm ej205 tune Mar 2, 2014 · A V7/V8 JDM EJ205 longblock won't have the air pump holes and if you wanted avcs, you would just need the wiring harnesses from IA Performance and a JDM WRX/STI ECU. Not to mention, I would just love to be able to unlock the full potential of my engine. Redline is whatever the WRX is (7000-7200? Not sure I'm comming from a 2. 0L 2006+ Dual AVCS EJ205 Replacement Item ID 5855 Model(s) USDM WRX 2006-07 , USDM WRX 2008-2014, USDM STI 2004-2007 , USDM FXT 2006-2013 , USDM OUT/LEG 2005-2009 Feb 3, 2012 · Just got in an 02/03 jdm ej 205 complete swap with tranny ecu and all for a great price. Now is that cause of how it plugs in to the car with the obd port?witch I have being I just put in a jdm ej205 and it has a higher compression raito compared to the udsm ej205. 1st thing is do not purchase a JDM motor based off the intake manifold because it does not mean its the best motor for you. The reason I'm wondering is because there's a bugeye for sale right now that I have my eye on but it's got a jdm engine in it with a cold air intake and an AP. Buyer must determine fitment into his/her vehicle. I used the o2 sensor from my ej255 due to the plug that came with the ej205 not working with my Outback. MY2000 Impreza 2. the only engine that came in the 2003 usdm wrx is the ej205 non-avcs. 6 psi. 2. Nov 3, 2021 · In this blog post we are going to discuss general information to convert a version 5/6 JDM 1999 - 2000 engine to run in a USDM 2. com Free App. After flashing the ecu using my access port I decided I was going to leave it at the stock tune . We both have fairly nice ones. I know that either way I will have to get a tune, but I also heard the Jdm one may not communicate with your obd2 for smog purposes. Jun 12, 2019 · Hi, i have a 2005 wrx with a jdm ej205. My logic is the ej205 should work, but of course i could possibly be wrong. you will prob only see it hold 17psi at 6800rpm tho. And yes AVCS heads. The egr sensor on the up pipe. Then i wire the motor up, throw it in, bolt in the jdm ecu, and get a tune. Looks like I've spun a bearing at 252,000 km and therefore need a rebuild. So I plan on getting a jdm ej205, jdm ecu, AVCS wiring kit. sti fuel pump and controller 12. 0:1 CR (confirmed) Non-AVCS, wasted spark = JDM EJ207 from 9/98-9/2000 The vehicle is a 2008 suburu outback xt. Oct 23, 2016 · jdm ecu to usdm ecu on jdm ej205 I would utilize the AVCS and find a reputable tuner that can tune the jdm ecu. good luck! Sep 16, 2020 · ok guys quick thing i seen ppl say they ej206 are decent motor others says it will blow up in one pull at 300hp, anyways i just spun a bearing on my 250k ej205 motor in my wagon 16g turbo ewg bigger injectors and the whole thing now i just want a quick drop in motor while i can rebuilt the 2. Jul 30, 2020 · a good VF48 tune should get to 23psi before 4000rpm if ur starting from 3k in 3rd. All I did was add an avcs wire kit and a proper tune. Feb 9, 2022 · This could be a limitation of the unmodified EJ205 heads and cams. It’s intended to be a conservative starting point, with a focus on minimizing knock under high load and delivering stable performance. 5 sleeved and all that later over the winter but the jdm spots i been checking they Dec 7, 2016 · As for parts, like was mentioned above the V7 & V8 EJ207 shares tons of parts from the USDM EJ257 and more so the EJ205. For the Cobb Accessport V2/V3. 2 psi is more boost than a COBB Stage 2 OTS map. Better turbo Subaru EJ205 WRX Motors For Sale. JDM WRX 2. Only a few wires need changing The Non AVCS EJ205 ( plug wire engine ) is what the SF5 STI came with in Japan Apr 8, 2015 · Have a 2011 wrx do i need a tune after installing a aftermarket bov or can i just slap it on Sent from AutoGuide. Oct 2, 2018 · 2001-2005 JDM WRX/late 2002-2004 Forester XT had the EJ205 w/single avcs and coil pack on plug. I decided to stick with the USDM ECU for simplicity. 5RS ECU February 9, 2022; New Launch Mode, Pops and Bangs in Version 1. Aug 31, 2014 · What I REALLY NEED is a way to have a tune-able JDM engine without necessarily breaking the bank. This is a used JDM product Jan 22, 2020 · Generally we would recommend the JDM EJ205 (or 207) from 01-04 because they are a plug and play replacement. AVCS will default to high lift. 5RS sedan chassis; JDM EJ205, stock block and heads, 9. But I can’t really do anything about a tune yet as I am in school and working. 0GT EJ20X EJ20Y February 23, 2024; Bluetooth Tuners Back in Stock March 6, 2023; JDM EJ205 24 PSI on Stock 2. Please wait while your request is being verified Jan 4, 2019 · I have done numerous JDM motor swaps on US cars JDM EJ205 non-AVCS, JDM EJ205 AVCS and EJ20x swaps. I took my weekend to compile a quick guide on converting your JDM EJ20X/Y into a bolt-in replacement for your tired old EJ255. Dec 22, 2015 · I have purchased a jdm ej205 with ACVS and TGVs. You are currently viewing our forum as a guest, which gives you limited access to view most discussions and access our other features. 0 WRX ECU. I was reading all sorts of crazy things about jdm Ecus not being tune able in the us, and needing to swap cam sprockets and idler pulleys May 14, 2020 · I got a 2002 JDM Forester XT donor car (EJ205 DBC AVCS) and planning to swap the engine into my 99 2. If you're prepared to do that, then it is a nice way to get a low-mileage engine at a good price. Mar 24, 2025 · This build uses a JDM EJ205 with a JDM ECU from a 2002 WRX, so this basemap should theoretically work with any JDM AVCS-equipped EJ205 setup. i could buy a jdm ecu but it would run like crap because theyre tuned for ~100octane(ish) and i live in the absolute least tuner friendly state of arkansas. Save Share Reply Quote Like. 0:1 CR Nov 1, 2021 · 04 WRX, Looking at JDM EJ205 swap, a few questions Factory 2. 99/00 ej205 GF8 Jump to Latest 4. jdm v7 engine harness 3. Anyone gotta minute they can give it a look and see if they see anything out of the ordinary before I grab it up. Older jdm ej205 with a single coil and spark plug wires require swapping parts from the usdm ej205. Jan 4, 2017 · What are the main difference in the JDM EJ205 long block vs the USDM EJ205 Factory 2. 0L displacement, but receive the model designation of EJ20K, EJ207, etc. 8:1 CR. Dec 31, 2018 · JDM Forester Drive-by-Wire EJ205 w/AVCS - These engines tend to get listed as Impreza drive- by-wire engines, but in fact they are from 2004+ JDM Foresters. For these drive-by-wire engines, the complete intake manifold with harness needs to be swapped over from the USDM WRX. I have a 2002 wrx usdm and I have a full swap ej205 avcs jdm motor, trans, ecu, motor harness. 8:1 rather than 8. Simply add in the AVCS wiring with our AVCS bulkhead wiring kit, plug in the JDM ECU and tune the car (the fuel in Japan is higher quality than here in the US) or just keep the USDM ECU and ignore the AVCS. All the JDM motors need some sort of modification to get them to work with US electronics. ?? Does any one have a base tune I could write to the ECU? Jan 17, 2018 · EJ205 swap problems, tune/acvs/timing? Subaru Conversions. Before I invest into the getting the Tactrix Cable, I want to be sure there is a means of tuning the stock ECU. sti pink injectors 6. The end result is a cool-looking daily driver that can back up its looks with performance. My shell is an 05, there was 2 codes on the usdm ecu. 9:1 compression ratio 3. Apr 13, 2019 · ECS performance in south Windsor CN, just a general shop running shop, Baystate Dyno in Springfield MA small local tuner and Signal Motorsport it Salem MA. Home state: PA Crew Dec 2, 2021 · I'm wondering if it's okay to run OTS maps from cobb on a jdm 205. I have a MY02 JDM WRX EJ205. Feb 10, 2020 · The JDM EJ207 engines are vastly different with varying spec between production years compared to USDM EJ205 engines. But if you wanted to use just the long block I believe a JDM ej205 would be a better option, but in that case it would still make more sense to just run the JDM ECU anyways. 0 WRX 2002-2005 chassis. I think that’s my best bet. I'm starting to have some driveability issues that I would love to be able to properly diagnosis. Jul 3, 2020 · So I've done a ton of reading and watched a ton of YouTube vidoes regarding the jdm ej205 swap, and when it seems like im beginning to understand it more, I find another thread that just contradicts the other completely. I have the JDM correct ECU and will be IWiring in the bulkhead AVSC kit. Apr 15, 2022 · Hey Cardoc. Despite an excellent-flowing head design, these engines are known for bottom end bearing problems. The engine is stock, car will only have a N1 invidia exhaust, STI intercooler and a Cobb cold air intake with MAF. Your other specs are correct, though I was told 250chp. I am looking for tuning options so that I can get a bit more power out of it. Aug 13, 2015 · The 02-05 JDM ej205 does come with AVCS so who ever gave you that info is wrong. 4K views 11 replies 5 participants last post by Ridders Dec 2, 2019 Oct 19, 2015 · There is no 02-05 jdm non avcs ej205 engines. Oil and air filters present little challenge including the fuel filter, which is positioned over on the right hand side of the engine bay and attached to the suspension tower. My build is: - Bone stock JDM ej205 with working AVCS on JDM Ecu. spt intake 5. I currently have a IHI VF39 that was rebuilt with 6k on it. If run a JDM ECU or 02-03 WRX ECU and would like AVCS functionality, please purchase our open source tune. The only annoying parts are the AVCS solenoids, and valve cover gaskets. com Subaru forum. JDM ej205 swap. I love Cobb and they have fantastic tuners, but you would net better results with the jdm ecu and an open source tune. I have a ver7 JDM ej205 with avcs and I used IAperformance for my avcs harness. May 17, 2017 · I have a 2005 jdm ej205 motor with avcs and tgv from the factory, it runs on a jdm wrx ecu and the original usdm ecu. 2002-2005 WRX:2002-2005 GD WRX EJ205 2. You may need a longer bolt for the small idler pulley. On the my01+ they ran avcs ej205, which will plug into your harness and ecu and run, but without the avcs, so you wont really be getting all the power out of your car. Jan 15, 2016 · Don't know of this is the right forum, but here goes, OK I'm running a*jdm*ej205*on a usdm wrx ecu in my 1998 gc8. So I am the proud new owner of a 03 WRX wagon with a JDM ej205. I have mahle pistons, manly rods, and king bearings now in the jdm ej20. Tune is a good idea, but not required 8) JDM and USDM compression ratios are both 8:1, so Jul 20, 2010 · Welcome to the NASIOC. Dec 3, 2014 · What tune are you running, Chuck? 19. 0:1 CR. 5:1 compression ratio. Only the 2001-2005 JDM EJ205 and EJ207 are drop-in replacements for the USDM EJ205. Mar 27, 2015 · It doesnt have a low compression ratio, it has a slighly high compression ratio. From MY98-00 they ran the non avcs phase 1 ej205, which has a different cam gear, crank gear, all the intake needs to be swapped. As for the ECU, I read up that there isn't much tuning option for the ECU (2002 JDM Forester XT) as it's not supported by Cobb nor open source (no ECUFlash definition). 0 TURBO OEM 11044AA483 | eBay What needs to be verified is the thickness of the stock jdm ej201/2/3 sohc head gasket to confirm if the stock ej205 turbo gasket will be direct replacement or if the jdm route or cometic route will need to be taken. Nov 10, 2021 · sorry, guess I missed that part. My plan is to buy the motor first, swap it in, do timing belt and pulleys, spark plugs, fuel pump, and get it running with avcs and get it tuned. Mar 15, 2017 · The OP is trying to run a USDM ECU on the JDM EJ205 and non-functioning AVCS, because he/she trying to get away from having a real tune, additional wiring for the avcs, and superior performance. 4190 posts Feb 26, 2012 · Cobb Accessport Stage 2. It has the EJ205. Home state: PA Crew Chuck. Advantages of having 8. Apr 21, 2019 · Hi so i’m just starting a swap on my 2009 wrx, the ej255 motor on it blew and i bought a Ej205, the shop i bought it from said it would work if i use the previous engines intake manifold and other people say i needed to buy the Ej20Y. Apr 15, 2021 · Turbo engine crossmember: $200 Engine management (optional but recommended for older JDM motors): $1614 Note - Vipec also makes a PnP ECU for these setups Harness Merge: $630 iWire’s recommendation: 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 Jul 6, 2010 · EJ205 testing: Twin Scroll vs Eq Stock ECUflash tune Target boost: 20psi on 91 octane (Manual boost controller) Until we get the JDM EJ207 AVCS motor, we are Sep 15, 2015 · You'll need the JDM ECU and the IA Performance bulkhead wiring harness to get the AVCS to work, as the '04 WRX USDM ECU doesn't support the additional signals for the AVCS. It is possible to use these engines in place of a USDM EJ205 since they are "plug and play" and will run with no modification necessary. I want to swap the motor with an ej207. Neetronics put a protune on my JDM ECU for day to day, and an e-tune on my USDM ECU for emissions tests. A tuner put a '94 octane tune on the JDM ECU and an emissions tune on the USDM ECU for one package price. 5 RS. The name EJ205 is just a basic designation of an EJ engine, with 2. I have avcs unhooked. All these shortcuts spells trouble along with a subpar performing engine. The JDM ej205's had 9. Not to mention the jdm motors have higher CRs than USDM stuff so you should be tuning to account for that + our different gas. ADM and EDM had various CRs due to difference in fuel quality. Nov 12, 2014 · Worst case the catless up-pipe pushes you over boost target, you will most likley also see a CEL running with one less cat. overkill?) Perrin turbo inlet K&N air intake turbo back exhaust (downpipe, mid and axleback) Now on to what i haven't bought: Feb 20, 2022 · Also any canned tune you get from romraider and don't play around with will likely not run very well since every motor is different and odds are you have at least 1 or 2 mods that could benefit from a tune. Improve the responsiveness, driveability, and overall power of your 02-05 WRX with a custom tune! Supports USDM EJ205, JDM EJ205, EJ207, EJ20X, EJ20Y, EJ206 engines, AVCS supported. 3inch tbe exhauste 10. I do have a cam sensor code P0340 could the timing be off by a tooth? or could the cam Jul 20, 2023 · I will be transplanting a EJ205 JDM engine with AVCS in to the 03 Bugeye. 9:1 . Dec 28, 2012 · Note that the EDM and JDM leads are different, the JDM coil pack has female receptors, the EDM has male (3+1 type plug leads, see the pics). I also got the stock ecu with the car, but it was an automatic. Dual AVCS engines are not direct replacements for the USDM EJ205 for several reasons which we will talk about in a future blog post. This is not a comprehensive engine replacement DIY, but rather a guide to the prep work and modifications necessary to bolt this engine into your USDM 4th gen pre-facelift chassis. I know that my son's OB XT with a 2. Feb 4, 2019 · I recently swapped a JDM non-avcs ej205 (wasted spark ignition) into my 2002 subaru wrx (USDM). I believe it is too early for immobilizer, yeah. 1 compression ratio. Feb 23, 2016 · I am having my jdm ej205 (with jdm ecu and avcs working) tuned tomorrow mainly for getting the motor to be totally happy with our California 91 Octane gas, mine will be fairly all stock (usdm TD04, stock 440cc injectors, stock STi uppipe) with just an SPT intake and a TurboXS stealthback. grimspeed Support for JDM Forester STI EJ255, Legacy 2. Just add the AVCS wiring and JDM ECU once the setup is legal. I got a JDM ECU with mine, so I'll be using it. vf48 + decapped injectors = tune 2. At the Sep 7, 2017 · If your jdm ej205 has the coil packs directly bolted on top of the spark plugs you should not need to change anything, should be plug and play. Feb 23, 2024 · This could be a limitation of the unmodified EJ205 heads and cams. I plan to have iWire to do the harness merging. weirdly enough, they were drive by cable up to 2007. Let me at his point state that I am a Apr 8, 2014 · So I found a JDM Ej205 apparently its from the same guy that you got your engine from Soobs, I talked to Mike and he said it will fit just have to use the old intake and exhaust from my USDM. So if you were to get the setup legalized through BAR, you can swap all the emissions equipment from the US setup and reflash a map that masks the OBD2 codes. Keith Oct 17, 2019 · I haven’t seen a single “sucessful” post of a EJ205 into a Baja (or Forester/Outback XT or Legacy GT) - but as I mentioned, I’ve seen 3 examples of successful EJ20X into Bajas - they all said plug n’ play (just swap over USDM EJ255 manifold & sensors) EXCEPT of course the JDM exhaust AVCS won’t work - but engine will “run fine Jan 1, 2017 · Genuine Subaru MLS Head Gasket Set Impreza WRX EJ205 2. 0 swap. I am leaning towards the jdm ej205 because of how affordable it is and how they have low miles. Impreza WRX; 99-01 (JDM Wagon Body only) 01-06 (all JDM) 02-05 (USDM) Some owners of these vehicles believe the problem is caused by the performance tune Jan 31, 2022 · Also any canned tune you get from romraider and don't play around with will likely not run very well since every motor is different and odds are you have at least 1 or 2 mods that could benefit from a tune. Mar 30, 2016 · Moral of the story - anybody running a JDM ej205 that they say "it runs well with a cobb tune or the stock tune" isn't doing any logging to make sure it is, in fact , safe. 0:1 CR (probably) Non-AVCS, coil on plug = JDM EJ208 from 1998-2003 Legacy BE5/BH5 JDM GT's, GT-B's and B4's, 9. A tune can hide that light on the dash and sometimes that is worth the "piece of mind" as for the axelback, no tune needed and no performance gains to be had. 0 or might go 2. 5RS). 0L Turbo) Jan 21, 2022 · So i swapped a non avcs jdm ej205 into my 04 wrx and got the car started and downloaded a tune. May 20, 2016 · Ok cool. cobb is the most reasonable distance. 4. cobb no do jdm. If you have a USDM 2002-2005 WRX and wish to replace the engine with a 2001-2005 JDM EJ205 or EJ207, you will find that these JDM engines came with AVCS. Mar 9, 2021 · RomRaider tuning software works with 2004-2007 JDM Forester STi according to this thread: RomRaider • View topic - Stock ROM List. psinuse. I am trying to figure out if I am better off running the usdm ecu or the jdm one. As gas as mods go the car has a full 3in exhaust, TGV deletes and a SPT short ram. I've read many threads about EJ205 JDM swaps with avcs and every one says you have to get a tune. bolt ons i've already bought and will be installing: Vf48 STI tmic ID 1000 injectors (came with my old engine. vf39 turbo 9. this HOW TO build with a phase 1 ej22e with ej205 heads and phase 2 head gasket will have around 8. Swapping some EJ205 engines is much easier than swapping other EJ205s because not all EJ205 engines have the same characteristics Mar 31, 2016 · Ok, the car is a 1998 impreza rs coupe, I'm running a jdm ej205 with avcs that came from a jdm forester, with the 9. Not bad at all considering the JDM EJ205 tune has a boost target of only 10. The jdm ej205 has higher compression than the usdm counterpart, my car will need a tune right away. Finally, the EJ205 saw one of its last applications in Subaru’s Forester Cross Sports STI from late 1999 to 2001 and again in 2003. Happened to be reading this thread and saw where you were talking about the AF sensons in the JDM 2. Nov 8, 2017 · 1997-1998 Version 3 and 4: These vehicles used the EJ20K motor. Supports USDM EJ205, JDM EJ205, EJ207, EJ20X, EJ20Y, EJ206 engines, AVCS is NOT supported. If you plan on running the JDM ECU and running avcs you DO NOT have to swap anything over from your US motor except for your exhaust if you want to. catless jdm uppipe 11. Here is what is done to the car, 1. Very easy install if you can read. It also will not read any codes on my reader or my spouses code reader. " So do jdm engines have versions without avcs or are the import places wrong. I saw the cobb v3 and it says usdm only. the USDM ej205 has 8. Sep 13, 2014 · JDM ej205 swap. 0L Turbo) Apr 29, 2021 · Dual AVCS was introduced on newer engines than are covered in this article, but the principle is the same. AVCS I'll be pumping 94 octane in here to help with some of this. Feb 14, 2019 · To summarize what I currently believe are the sources and CRs of ebay engines marketed as 02-05 WRX replacements: AVCS, coil-on-plug = JDM EJ205 from 01-06 WRX, 9. Jul 16, 2015 · Not really, in theory you could use just the long block if you had a way of deleting the AVCS. Aug 2, 2018 · Hello nasioc, I recently did a JDM EJ205 w/ AVCS swap into my 02 bugeye. Dec 9, 2020 · JDM EJ205 Accessport v1 Newbies & FAQs. I have started working on it previously with a performance shop (Touge Tuning » Subaru and Japanese Performance Specialty Shop) in anticipation of a rebuild. May 21, 2018 · I was talking with a performance shop thwy mentioned the jdm ej205, He had said a number like 380hp before big problems can start, but with a tune and e85 convertion im certain that will be surpassed on day 1? What needs done to this engine to make sure it sucks and bangs like she should for a long time with being broken. 1. no tgv's 7. Unfortunately im not finding any people that run a stock jdm ej205 on e85. 0L Turbo DOHC Subaru Engine (2002-2005 - ). Jul 1, 2018 · Guys, I apologize in advance if this is the dumbest question posted this year, but for the life of me I can't figure this out. At a minimum, you would need to install the USDM cams into he JDM heads to get the sensors to read correctly. The car drives and idles pretty bad it sputters on acceleration and at some points feels like it wants to die. Any advice? Dec 8, 2017 · JDM Forester Drive-by-Wire EJ205 w/AVCS - These engines tend to get listed as Impreza drive- by-wire engines, but in fact they are from 2004+ JDM Foresters. Nov 18, 2017 · Engine i'm swapping in: 30k mile ej205 shortblock with freshly rebuilt heads I just got back from headgames. Timing belt kit for jdm ej205 avcs or no avcs is the same as for usdm ej205. I was wonder if it's safe for it to tune on 91 octane… Apr 12, 2020 · Hi, I have a 2006 Forester imported from Japan. 0L Turbo Powertrain (EJ Series Factory 2. Car made 204whp And 232 tq on a mustang Feb 15, 2021 · If your car has intake AVCS, or intake and exhaust AVCS, it will be somewhat challenging to get that to work with this engine because the JDM engines use different pick-ups on the cams for the cam position sensors. Mar 15, 2019 · Yes, valve cover gaskets for ej207 with avcs will use the same valve cover gaskets if you have an avcs ej205. a jdm engine with AVCS heads will be pretty good. Dec 22, 2017 · I'm in the process of installing a jdm ej205 into one of my 05 Saabarus, I specifically searched for a direct swap motor off an 05 jdm wrx. 5:1 - Better throttle response. Most information I have found states all variants had 9. . I have completed the swap (all usdm converted besides internals) and the engine runs and drives just as it should until about 3,000 RPM (when its getting into 5+ psi). This also applies to those doing a non turbo to turbo swap and have purchased a JDM V5/6 but want to run it with a USDM 2. sti timic 8. @psinuse made his own bulkhead wiring harness, but he's incredible. Sep 9, 2024 · JDM EJ205 Swap, troubleshooting, differences, nightmare Factory 2. 0 swap in it has an O2 sensor and I see AF1 correction data in real time but I don't see data values changing for AF3. May 18, 2021 · IWire said that "If you have a USDM 2002-2005 WRX and wish to replace the engine with a 2001-2005 JDM EJ205 or EJ207, you will find that these JDM engines came with AVCS. Welcome to the North American Subaru Impreza Owners Club: Tuesday March 4, 2025: Home: Forums: Images Jun 25, 2014 · It's not fabulous to be without a personal auto. 2003 JDM Forester XT started the 32-bit ECUs on foresters. Dec 17, 2015 · The EJ207 has variable valve timing (AVCS) and your blown EJ205 does not, and so it's important to use the JDM ECU to run the AVCS. AFRs into the mid 11's. I first got my car pro tuned via a Cobb ap, mod were 3 inch tbe, spt intake, perrin inlet tube, and Grimm speed ebcs. jdm v8 ecu 4. 0L Turbo Powertrain (EJ Series May 1, 2017 · You will need to extend a few wires on the engine harness, make up something for the IAT/MAP sensor and of course a TUNE that is now possible with project Lambda All in all, likely much easier for you and a similar result. Reactions: LW_Black4. Interestingly, the Subaru EJ205 engine was also placed in the 2005 Saab 9-2X Aero. Feb 22, 2010 · Just make sure you reflash the ecu to clear the TGV code as JDM motors do not have the TGV. All JDM WRX and WRX STi engines have a 2. Any idea what I can expect at that point? From the research I've done, a Cobb AP won't be possible with the JDM ECU, so I will need to do an open source tune. Mar 29, 2022 · However, the EJ205 soon was placed in all JDM WRX models from 2001 through 2006. If your jdm ej205 does not have avcs you can use the same valve cover gaskets for usdm ej205. Laszlo - white '11 STi sedan JDM ej205 swap. 0L Turbo) 04 WRX, Looking at JDM EJ205 swap, a few questions - NASIOC Welcome to the North American Subaru Impreza Owners Club Oct 4, 2021 · Im looking into replacing my stock motor with almost 300k miles on it. Apr 4, 2016 · So you weren’t able to find a map from Cobb to use after you swapped in the JDM EJ205? I just bought one without AVCS, I understand I need to swap the parts you mentioned but can I just tune it through the Cobb AP or is a protune/opensource tune required because of the higher compression ratio? Apr 24, 2013 · im curious as well, ive bought a jdm 205 with no ecu for my03 wrx i want avcs but sounds like a massive pain to get it to work. My motor came with tgv and avcs, I plan on running it with the usdm ecu to start with. 0:1 CR Sep 15, 2014 · On the other hand I've seen some good JDM ej205 engines for about $1k. Build Info. Jul 4, 2020 · The JDM WRX ECU will now wake up to headers, AOS, new catless UP/DP and exhaust, STI injectors and DW fuel pump, all installed while it was out. As with all JDM motors, the ECU tune is designed around running a higher-octane fuel than is available in the United States. 0 liters of displacement, and the 5 or 7 is an identifier for whether it came out of a WRX/Forester (5) or STi (7). 1 February 26, 2019; Configuring the JDM Legacy EJ206/EJ208 ECU for single turbo operation June 6, 2018 EJ205. looking at the part number, it is in fact for an SG JDM Forester, 01/02 and has extremely similar part number to the other JDM AVCS 16-bit ECUs. Feb 20, 2022 · The JDM ecu had an air pump code (maybe slightly different pinning) and it definetly cannot talk to abs as it had a p0600 code (serial comm) also all the ones I see for sale on ebay are auto ecus and that implies a challange because it thinks its alway in Neutral, dont know if thats something that can be fixed with a tune but using the STI ecu Dec 27, 2015 · Ok guys and gals. Oct 4, 2018 · i do want a good tune eventually, but lets just say i didn't budget this out and if i could use an etune for a bit, I'd probably just schlep around on it until i start to get bored the problem now is: 1. May 2, 2016 · EJ20X, EJ20Y, EJ20G, EJ20K, EJ205, EJ207, EJ20H, EJ20R, EJ206, EJ208 find out more about your car and get back to us. Jul 10, 2015 · No matter which engine you choose, phase 1 or 2, run a phase 2 head gasket. if you have anything else in there, you have had a motor swapped. Dec 30, 2018 · The OP is trying to run a USDM ECU on the JDM EJ205 and non-functioning AVCS, because he/she trying to get away from having a real tune, additional wiring for the avcs, and superior performance. In the longrun, getting an OEM shortblock from subaru and reusing you heads with all new gaskets and timing components is probably the best way to go. I plan on installing this into my usdm 2002 wrx I have done swaps before but with an usdm ej205 before I start the process is this a direct plug and play or is there any other things I need to know before Generally we would recommend the JDM EJ205 (or 207) from 01-04 because they are a plug and play replacement. And the V8 and up has the twin scroll setup (which I got rid of for a single scroll vf-34). So I'm looking to pull more power. As far as i know e85 is a good and safe way to make more power on any stock turbo engine. Recently removed my 02 wrx usdm ej205 dbc due to spun bearing. It came with a access port v1 but from what I'm told by the previous owner the ecu currently in the car is a USDM ecu with the JDM tune flashed on it. I didn’t swap intake manifold or anything else from the usdm motor. I assume that's what they mean when they say "open source tune" and the alternative is the Cobb AP. jdm ej205 avcs 2. Mar 19, 2007 · 02 usdm ej205 to early ej207 swap questions: dukeduster: Subaru Conversions: 5: 11-23-2016 10:56 AM: JDM STI swap question: dougie fresh: Newbies & FAQs: 0: 07-08-2008 04:04 PM: jdm ej25 swap question: Blk_RS01: Subaru Conversions: 0: 08-29-2006 10:35 PM: tips for USDM EJ205 to JDM EJ205 swap? Chuck H: Factory 2. Jul 9, 2021 · The EJ205 was first introduced in 1999 in Japan and 2002 in the US market. THIS is where the mystery begins for me. lvvgaggawdcumlmemoblfqtvidzmqobccpljlghjtlksetvhwksubzcoqhtvcxfnhizzbuksxmfpg