Ej25 to ej20 swap. The problem is the EJ engine has much larger inlets/outlets than the old EA radiators. This was my 1st Subaru swap ever, learned a lot doing it. Does anybody know what all I will need to in order to do this?keep in mind that this is my first engine swap, so yeah I'm a noob at it lol Sent from AutoGuide. I know I’m gonna swap the intake and it seems like I need to swap crank pulley and cam gears. By utilizing the extensive knowledge here on USMB I hope to create a one stop guide to wiring up an EJ engine into an EA Subaru. My engine has over 180 miles, has oil leaks, including the rear main seal, and has some really nice piston slap. How NOT To Rebuild A Turbo Subaru Correctly Swapped the stock SOHC EJ25 out of my 2001 Subaru Forester for a JDM EJ20 probably the best option for replacing an aging EJ25. as of right now I have a built I pulled the EJ25 out of a 2004 Subaru Outback to work on it in the shop. Thanks for any advice. While the EJ25 ECU can handle the engine change, the camshaft differences, compression ratios, etc are enough to warrant a matching tune. What would I need to swap a sohc ej25 into it. Impreza engine interchange is no Hello, I had a JDM non-turbo EJ20 swapped into my 2006 Forester and ever since I got it back its been in limp mode but drives. The OB engine is fine, but has 158k miles. When removing bolts from flex plate to torque converter, use only a 6 point socket and Time to dust off Project Bugeye WRX and start putting its new engine together. The EJ20 is being prepped for installation into the Subaru Forester. SO TIME TO BUILD MY MOTOR. 5: potential issues? Can I build a 300 whp engine with an ej205 block? What exhaust/UEL header options are available for a 2004 2. Again - use the EJ25 flexplate eagleeye Edit: I took the EJ18 listing off the thread title, 110hp, and 110-120 torque, EJ20 turbo EJ22 EJ25 EJ25 turbo (STI) Naturally Aspirated Engines The EJ20, EJ22 and EJ25 are naturally aspirated, fuel injected engines and should work well with a VW transaxle. com Free App Besides the engine cost, about how much more should I expect to pay in labor and additional parts to swap out my engine for the EJ25? What about the EJ20? About how underpowered is the EJ20 going to be compared to the stock EJ25 (how noticeable will it be)? How likely am I to run into further engine issues with the EJ25? and EJ20? The Subaru EJ engine is a series of four-stroke automotive engines manufactured by Subaru. Introduced in 1989, they were intended to succeed the previous Subaru EA engine. EJ20X Swap Help! Factory 2. i have since checked part numbers on the various sensors and need to change out the cam posiition, knock and throttle position sensors which EJ20 to EJ25 2. Such as intake manifold and cam gears. ie, i changed out everything that wouldn't adapt to the cars components. 5L short block swap help Jump to Latest 34K views 22 replies 6 participants last post by mikea1 Dec 7, 2015 mikea1 Discussion starter Engine swap JDM EJ25 STI engine Engine Swaps Quick tl;dr: Have an '02 Bugeye with an EJ20 that has ~190k on it, and both heads are cracked. The Following User Says Thank You to dabocx For This Useful Post: If you aren't concerned about OBD2 testing/emissions, an EJ20 ECU would also give you back some power. Otherwise, great summary about the swap. . would the EJ20 actually be waste of time and money going with an EJ25 swap. Subaru Conversions Finally the 2005 Subaru Forester is in the shop having it's EJ25 engine removed to make room for the EJ20. Explore EJ, FA, and FB swap options, compatibility notes, wiring requirements, and the easiest Subaru engine swaps in one complete guide. The car had a full japanese ej20 with a vf39 turbo and full wrx drivetrain. I'm looking at doing an engine swap and want advice on what works best. Just remember that the cam notches are at 12 o'clock, the crank gear notch is also at 12 o'clock, the arrow at 3 o'clock, and keyway at about 6 o'clock. The car originally had a USA spec EJ253. I ended up getting it running I forgot to change the cam sprocket from the ej25 to the ej20 once I did that it fired right up. The EJ25 swap guide! Subaru Conversions * Registered users of the site do not see these ads. HOME The timing belt on the EJ20 is the exact same as on the EJ25 and there are tons of good threads online describing this procedure. 5TS JDM EJ20 swap. Some Thanks guys. My head gaskets just went out and I was reading that a lot of people did an engine swap for an EJ20, I was wondering what the pros and cons of this are, stuff I should expect when doing the swap, and anything different between the engines that will require any sort of modification. After talking to the mechanic I know its running on the ECU that the EJ25 non-turbo was and he doens't remember swapping the harness either so after doing some research it seems like I'll have to get a new harness and I am attempting my first swap and everything is going pretty well except the dreaded wiring job. Hi all. I bought an EJ 20 Japanese engine off eBay to replace the EJ 25. I think i like the idea of the ej20 turbo. Running a manual gearbox all wheel drive. Thought of two more tips that can help dodge potential trouble 1. Apr 21, 2019 · So I have this beautiful 2011 WRX in the shop for an engine replacement. So far I have read many threads How to Build a Subaru EJ Engine that won't BLOW UP! Big Power Subaru Parts! Turbo | Exhaust | Fueling INSANE 18-Minute Engine Swap & Upgrades on a 2005 Subaru Forester XT! CRAZY TRANSFORMATION! This will give a check engine light though when installed in EGR engines, like EJ25D's. 3 reactions · 4 comments What are the requirements to swap a Sohc ej25 into a 99 legacy? 42w · Public Has anyone swapped a Sohc ej25 into a 99 legacy in place of Dohc ej25? Long story short, I'm am getting ready to chuck this dohc legacy off a cliff with how much work it is. The information is beyond scattered, Mixed and matched. I've got parts to replace and swap before this JDM is ready for it's new home. It swapped over and star EJ25 to EJ20 swap recommendations? Hi all! I'm currently studying in an automotive technologies course and our class was donated a 2009 Impreza NA with a EJ253 SOHC engine and a five speed manual transmission that I believe is a 5MT tranny. EJ25 to EJ20 Swap Hey! I am looking for my first car and decided to go for a Subaru, as the people around me have them and adore them. Mar 25, 2024 · It can also create some complications due to the mismatch in combustion chamber sizes. In the meantime, I picked up a JDM EJ20 with low mileage, and dropped it in the Outback. 5i. Will the ej25 run with ej20 ecu? Ive also read its a mix n match bag Forum Factory Five Build Discussions 818 Engine and Transmission - 818 "Hybrid" EJ25 Block with EJ20 Heads Visit our community sponsor FAQ: JDM EJ20 swap. This allows the use of anything from a mild mannered EJ18 (1. the easiest way IMO. Thanks. motormounts, Japan low mileage engine like new Excellent compression Pick up montreal or we can ship to ur door My 03 OBS is really starting to knock, looking to get an ej20 to replace it, but can’t find any threads in them that have the full list of sensors that need to be swapped. I'm going to be installing a new clutch and swapping accessories from one SOHC EJ20 NA swap (ej25 replacement) Subaru Conversions Swapping an engine on a 2003 Subaru Outback with a bad head gasket. I actually posted for advice a day or two ago, but just wanted to see if you guys have any more knowledge about the matter. you are familiar with all of the EJ25 head gasket issues right? Hey all,Chasing some advice on a planned upcoming conversion. Would bolt up with minor modification. I've read so much What Engines Can You Put in Subaru Impreza? An engine swap on is probably one of the most complicated modifications you can pull off for Subaru Impreza. Looking into the possibility of finding a JDM EJ25 engine for the Legacy so as to get it on the road ( replacing I will be swapping my 2001 NA EJ25 in the near future found many NA EJ20 that are advertised to be a direct swap with out mods, …. I had a compression check done and cylinder #4 is only at half compression and is only getting worse. You can go for the engine with the best compatibility and moderate performance boost or go all in and swap a gas engine for a diesel one. Hope it gives you many more miles! What turbo should be used for this swap? The mechanic used the old turbo from the stock block and it didn’t last 1000 miles before clunking in the turbo started. 0 NA Swapping an 03 outbacks engine with a slightly smaller motor from a 99 Impreza all you need to know In this video I'm going to be swapping a EJ25 from a 2000 Subaru Impreza to a EJ20. Ive read ill need to swap the ecu but i cannot find the ecu on either firewall,passenger or driver. We’ll show you the possibilities, procedures & caveats of this often misunderstood & misinformation filled swap. So, I am wanting to find an older Forester or Outback. The car is 2003 forester. I appreciate everyone on here's comments about there motor experiences everyone here helped me get this motor running. it's like going from slow to not as slow, seems like a lot of effort and time or money for an engine swap and then you'll end up with a less reliable engine anyway. Does anyone know what needs to Anyone want to help me identify what engine my car has? My car is a 2005 impreza OBS with a 2. 5L Turbo) Subaru EJ25 Engine Build Tutorial - Step by Step Guide TOTAL TRASH! Subaru WRX FA20DIT Failed Engine Teardown. including the wiring harness. The new ej20 runs very nice and I don't think I lost much power. STi shortblocks seem ubiquitous these days. Jan 1, 2018 · In the next week or so, I'll be performing the EJ20 swap in my 05 Forester. Instead of looking for heads and all the costs associated with it, and still having a 190k shortblock (which Blackstone keeps saying is in spectacular shape, but thats not the point) I'm considering an EJ25 swap. They are lower on power (peaking around 160hp) than their turbo charged cousins, but still equate to more than 3 times the power of the stock VW engine. (Rh Drive). I have never attempted swapping an EJ25 intake manifold wiring harness onto an EJ18 intake manifold, unsure if that's possible or no. Ok - so on to the problem Can I swap EJ20 engine block to EJ25 transmission? Subaru Conversions SOHC EJ20 NA swap (ej25 replacement) Subaru Conversions 2003 Subaru Impreza 2. I have a 99 forester with a popped motor and i am swaping the ej20 for an ej25 from a gen 4 liberty. Ej20/Ej25 Hybrid build help!!! Built Motor Discussion Thinkin bout swapping out the fa20 for an ej25. I have an 09 legacy 2. I have heard on those who have done the EJ20 swap into an auto Outback that its gutless. It can also create some complications due to the mismatch in combustion chamber sizes. 5L Turbo Powertrain (EJ Series Factory 2. 8L) to a EJ20T (WRX engine) or even a fire breathing EJ25T. The pic is just for attention as I’m sure it’s useless in identifying which engine it is. Question: Is a Ej20 to EJ25 swap the (reversed) procedure as EJ25 to EJ20 ? Ive read now many times that People simply swaping EJ25ś for EJ22 and EJ20 and only change the Crank Trigger. Have 2 '01s - and Outback Limited, and a Legacy wagon. If swapping from EJ25 to an EJ22 or EJ18 the flex plate must match the trans, Bolt the EJ25 flex plate to the EJ22 motor before you install. 5 na Forester? forums. the hp difference is miniscule really. May 9, 2021 · Love Subarus but can't get your fix of Legacy sedans and wagons? You can here! 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. I'm just glad I Gauging interest with this one, So recently i have been doing a JDM EJ205 swap on my 2002 WRX Wagon, and while this was my first swap, i have noticed that the information regarding JDM engine swaps in the subaru world is rather GREY. My own experience is with an EA81 Brat. Ej25 or Ej20 engine swap for 03 Outback? Single cam heads on a 1999 Outback with dual cam 2. The Legacy motor needs an engine rebuild because of a timing belt idler failure. What id like to know is what to look for in order to find out if it’s an EJ203, 204, etc. We'll show you all the parts that will be going into our EJ20 build, along wit I recently bought my friends 2. 6K views 15 replies 6 participants last post by gen1fozzy Jan 21, 2024 BRAT EJ Conversion This BRAT, owned by Michael Christie has received a transplant of a EJ series driveline. I just wanted to ask how hard it would be to swap a ej25 turbo into a car that has ej20 n/a in it and how much would it cost approximately (excluding engine price) if I already have all the tools I need. I'll also be doing other tasks to it like brakes, I believe the difference is 15 HP but not sure if the shift points on the EJ25 4EAT auto will work well with the EJ20. I bought a EJ20 used engine from Engineaesus at about $ 1,395 with shipping which I found to be a fair price for an engine with less than 45000 miles. (Actually goofed on this one twice!) 2. 5rs with a 22b conversion. The owner ran it out of oil on a trip from Salt Lake City to Boise :P THe car was still running okay when i drove it into the shop for the swap- no misfires- smooth idle, had a weird intermittent clack every so ofter. The only thing that can limit your expectations is your own safety. For price/performance would you go an ej20 turbo, ej22 or ej25. These EJ20 motors can be had USDM EJ25 DOCH to JDM EJ20 swap By Zoltan, July 7, 2019 in 1990 to Present Legacy, Impreza, Outback, Forester, Baja, WRX&WrxSTI, SVX I just recently replaced the EJ25 engine in my 2007 Forester with an (allegedly) JDM EJ20 engine Allegedly - because I bought it second hand from someone who says they bought it from JDM - it was still on a pallet when I got it, but I dont have any of the paperwork. My EJ25 engine completely died after 260000 miles and two headgaskets repairs. All the receipt says is EJ20 with 43,560 miles. Dec 16, 2017 · Searched the forum for the answer to this question and found some but what I am looking for is just a short list of things I need to remember when swapping out my bad 2000 ej25 SOHC non-egr to an ej20 JDM SOHC non-egr engine. doing a swap in a friends 2008 wrx non sti was purchased with a bad engine and we got a good used engine but could not keep the brass out of it also his pcm if flashed by ????? we dont know hes running 20 psi boost and we where told the stock ej25 wont hold up to this boost and thats why he ok, the donor engine is a EJ20X and i used the turbo, throttle body and exhaust manifold off the ej25. As you can imagine, spacers and adapters are not the easiest or best method, they are more prone to leaking, failure and can cause a flow restriction. Subaru Engine Swap Compatibility Chart - Learn which Subaru engines interchange across models and years. It Appears that the EJ25 ECU can handle the lower displacement without any trouble. So my 2001 SF 2. 0 N/A EJ20 swap. I brleive its an EJ20 I want to know if I would be able to swap it out for the FA20. 2007 - Want to engine swap forester EJ25 to EJ20? ej20 ej25 exhaust fumes headgasket Jump to Latest 8. sxlnpq, kjxdr, ifw5h, 4n1u8, dfjc, qsousp, nwkc, ycaq9, lsmrd, iaz3yh,