Ej257 Reliability






The main reason they kept the 257 is because there's huge support for it in the aftermarket and I imagine they assumed (probably correctly) that anyone buying an STI was going to modify it anyway. Starting with a new Subaru EJ257 semi closed deck block, we diamond hone each bore to guarantee perfect piston to cylinder wall clearance. Using our own selection of race parts Outback can deliver a motor in a variety of horsepower and price ranges, setup the way you want for your budget. Senior Editor Scott Tsuneishi fortifies his EJ205 engine with forged internals to improve the engine's reliability. Use at your own risk. That requires an engine rebuild. Granted, there are A LOT of factors why the ej25 gets a bad rap, and I do believe most of it has to do with the user in some way or another. Presenting Firetruck Armored in stock and ready for shipping now online!. The biggest advantage of a 2. 5L Turbo (EJ257 Engine). 6speeds sell from $2000-3000 depending on miles. Buy ARP 2605401 Case Bolt Kit for Subaru: Main Bolts & Studs - Amazon. While few embrace it, change must happen in order to. Higher Compression, The Perfect Seal, & Problem Prevention with this easy upgrade. With a Reference by DSPORT engine assembly, you spend more time on the track and less time under the hood. Killer B Motorsport Aluminum Oil Pan: The Killer B Motorsport V4 Performance Cast Oil pan is designed to reliably meet the demands of high-performance Subaru Engines used on street or track applications. IGOTASTi is an online forum and community for all Subaru WRX STi enthusiasts. Connect to KillerB MotorSports. Every valve is made from premium grade, heat resistant stainless steel material to insure reliability with high boost and/or high rpm applications. 400 whp (particularly on 91 octane pump gas) is when cylinder pressures are high enough that a random knock event can take. 5mm Cosworth Forged Pistons fitting 2006-14 Subaru WRX, 04-17 STI, 04-13 FXT, 05-12 LGT. Lastly, depending on your engine's model year, it may be necessary to swap the knock sensor plugs as well as the power steering plug. com FREE DELIVERY possible on eligible purchases. Hello, I just recently picked up an EJ257 short block out of an 04 STI and was wondering if anyone has ever built the motor to handle 400WHP? I dont actually plan on making 400WHP (more like 250) but I really like the idea of building the motor strong enough that all I would have to do is upgrade my injectors and turbo if I wanted more power. We currently offer our 4140 Forged Steel Flywheel with this unit to ensure durability in extreme racing conditions. com 2008-2014 OEM Subaru STI EJ257 Short Block This 2. Exploring the Limits of the EVO X Engine | 4B11T vs 4G63. The EJ20 was around since 1989. This article was originally published in forum thread: Comparing a tuned 2015 WRX FA20DIT to a stock 2015 WRX STI EJ25 - Almost a wash started by Sticky View original post 2 Comments subaru335i - 01-19-2015, 04:24 PM. those parts should net you stage 2 STi power with sub 5 sec 0-60 and mid to low 13 sec 1/4 mile. While few embrace it, change must happen in order to. The EJ255 "Is it Really That Weak" Hey people So i have been searching through the forums at the various threads on the newer generation Subaru engines, the EJ255 & EJ257and i see that basically everybody favors the EJ207 for reliability & higher power output etc. Brian Crower Stroker kits for all popular Sport Compact applications and camshafts and valve train to match. The Subaru WRX STi engine legendary, but in large part because it's been around for some time. Each assembly is precision built by one of All Drive Subaroo’s specialist craftsmen using the finest components from our parts catalogue to ensure maximum reliability and performance. ATK remanufactures complete cylinder head assemblies with a higher quality than new. The future for VW air-cooled engines. Great post! This could become a sticky. Hey you, sign up it only takes a second to be the first to find out about our latest news and promotions…. Estimate does not include taxes and fees. The rods are weaker than the pistons in the EJ205 engine. Our pursuit of perfection and the assurance of safety underlie our famed quality and reliability. Granted, there are A LOT of factors why the ej25 gets a bad rap, and I do believe most of it has to do with the user in some way or another. I would say they are very similar but if I had to pick based solely on longevity, I'd pick the EJ205. While most modern turbocharged engines hit peak torque low in the rev range, the EJ257 (Subaru's internal engine code) powering this STI makes its peak 290 lb-ft of twist up at 4,000 rpm. Valve Spring And Retainer Set. Piston Kit For Subaru EJ257 WRX/STI 4v Dish -19cc 100mm Brand Name: Wiseco Part Number: K598M100AP Description: These Wiseco sport compact piston and ring kits give you stronger pistons and tighter tolerances than any other part in your engine, with less internal and external machining. allwheeljunkies. The first letter is always E standing for engine (before the introduction of FB engine series); The second letter is the engine's family. Exploring the Limits of the EVO X Engine | 4B11T vs 4G63. Fiveo Avenger 340/325 Fuel Pumps. 5L is the OP's prefered option, he'd be silly not to consider the better Ej257 blovck and heads and then just build that with forged internals :). What are the problems,and are they limited to specific years?I own a 94 legacy with the early ej22 sohc and have read about using a ej25 block with ej22 heads but wouldn't want sacrafice the great reliabilty. Crawford has said several times that the 08+ STi engines are good for about 500WHP on stock internals-you just have to tune them properly to prevent detonation. Thanks for your reply, With buying a EJ257 short motor, is there anything i would need to do to insure reliability of the engine(257 bottom with 255 head) because i believe there is a slight change in compression from the stock 255 long block. home » impreza/wrx/sti » 2015-2018 » 2008-2019 subaru wrx sti iag performance stage 1 built engine long block 12k miles ej257. Brian Crower, Inc. A Mechanic at Subaru gave paul some wrong information so I did some research and this is what I came up with. The EJ257's cylinder heads have been redesigned to improve cooling, and the sodium-filled exhaust valves have been deleted. View All Subaru Products. It was widely applied in all main car models. That is very common for turbocharged EJ20. I know that it is getting very popular to just buy the short block and swap the WRX heads on but my engine has 144k miles and most likely a burnt valve so I don't want to reuse them. IAG offers extremely competitive labor rates and part prices but does not sacrifice quality or customer care in the process. mrtperformance. EJ257 Stainless Steel Valves BC valves are one piece design with a friction welded Stellite tip for the best possible performance. Repairing the damage from a spun bearing could be very expensive. Welcome to BUSARU. The AMS 02-07 Subaru Rotated Mount V-band Turbo Kit is the new benchmark in Subaru performance. How to make your Subaru Turbo last and avoid costly engine repairs. 4 quarts of oil, over 30% increase in capacity over the OEM one. 0 partsthen you can add your bigger turbo, ect. Right now I have a 2007 sti with 55k miles on it. Made from aerospace grade, 4340 chromoly steel, BC high performance connecting rods deliver the reliability required to turn up the boost, the nitrous and/or the RPM range. Crawford AOS. Stock block Subaru motors using more than 10lbs of boost have proven to be too weak to handle the extra stress. The WRX has become sportier, while the WRX STi has. 10-19-19 12:43 AM by JDMpowered. 0 liter WRX. The EJ257 2. Using our own selection of race parts Outback can deliver a motor in a variety of horsepower and price ranges, setup the way you want for your budget. Subaru FA20 engine reliability, problems and repair. No products in the cart. It’s very subjective and depends on your personal preference. Killer B Motorsport Aluminum Oil Pan: The Killer B Motorsport V4 Performance Cast Oil pan is designed to reliably meet the demands of high-performance Subaru Engines used on street or track applications. Please try again later. Reliability and Efficiency: Our turbine pump technology delivers up to a sustained pressure of 120 psi. 7L LS1 V8 to no more than 383 cubic inches (6. Change can be difficult. View all 31 consumer vehicle reviews for the Used 2016 Subaru WRX Sedan on Edmunds, or submit your own review of the 2016 WRX. As this is an automobile based gas engine the maximum power output is reached at around 5000 RPM. 24 years of research and development has gone in to every component we offer or recommend, with a motto of 'Don't fix what's not broken. But, if you are building a race engine and want the ultimate reliability out of your block, your best option is a closed deck design or aftermarket sleeves (depending on the application and your budget). COBB offers parts and tuning for Subaru, Ford, Porsche, VW, Nissan, Mazda, Mitsubishi and BMW! Shop today!. The adventure starts with the build of your travel vehicle, and you can find parts, build info, and community to help with your Subaru engine conversion into your VW. 8L motor and soon, it turned into the main engine for all Subaru vehicles. Complete packages designed to work together to deliver more horsepower and torque as well as greater reliability. This is a great product for high-performance engine builds and you can use it on aftermarket or OEM head bolts. However, based on a dyno-chart PowerPoint slide we were shown during the overview, I. 137," not shorter like many other rods. ARP Subaru EJ20, EJ25, & EJ257 Main Bolts are crafted from 8740 forged chrome moly and feature generous under-head radius and rolled threads for excellent reliability. Winter reliability with summer fun with the STi platform. The below pertains to the 2005 and newer Subaru Legacy GT, Outback and Forester XT, while other models have some issues of their own, and some of the basics such as changing the oil still apply, the content of this article really pertains to the models listed above. A Dry Sump Sytem can offer levels of safety and reliability which cannot be achieved when utilsing the factory wet sump configuration. The EJ257 2. And quite possibly the best bang for the buck is the EJ257 motor found in the STi parts are readily available. - Import Tuner Magazine. Features Increased flow and pressure characteristics for high RPM engines Individually inspected and tested to assure pres. An inherent issue with the EJ25 blocks are the cylinders flexing under high power levels, causing a wide range of issues. Wiseco Piston Inc. The threads are rolled after heat-treating, giving them 1000% longer fatigue life than ordinary bolts. That requires an engine rebuild. Call up crawford performance and ask them about the reliability of the 08+ STi's and their tune worthiness. Until Jeff Sponaugle pointed out that the pistons had different part numbers, I too thought they were the same. 17 August 2015 Categories: , Blog. Utilizing technology and processes from Formula 1, IndyCar and various other motorsports, the best engine machinists and engine assemblers in the world can now produce an engine with unmatched reliability, efficiency and performance. I would say they are very similar but if I had to pick based solely on longevity, I'd pick the EJ205. It is a Legacy throwback with an extra gear. Engine Oil Leaking Problems of Subaru Impreza Subaru Impreza owners have reported 10 problems related to engine oil leaking (under the engine and engine cooling category). And quite possibly the best bang for the buck is the EJ257 motor found in the STi parts are readily available. The original owner was a technician at a car dealership in Edmonton. Shop All; Engine Management. With rock-solid reliability and a nicely broken-in quality, Subaru Certified Pre-Owned Vehicles have years of reliable miles ahead of them!!These vehicles come standard with significant advantages over non-certified, used Subaru models, including factory warranties, 24-hour roadside assistance programs and detailed inspections from factory-trained Subaru technicians!!. 5L boxer claiming more engine failures. 67/68 - Renaultsport Megane 225 Pair of PFC / Performance Friction Upgrade Large discs for Renaultsport Megane 225 - retaining original OE Brembo caliper Includes alternative mounting bolts and required spacer kit ** not suitable to fit Renaultsport Megane R3 rally car homolgated kit **. Learn more about Infiniti G35 at the Edmunds. With its highly regarded engine, styling, power, and performance, individuals who love speed and responsiveness go for Subaru as their top car brand of choice. Only the best off the shelf and custom designed AMS spec components are used. While the pistons can be considered weak, they are not really the root cause of the issue. It's advised to get fresh software for control unit. Customers who plan to swap their vehicle use either the EJ205 from the USDM 02-05 WRX, the EJ207 from the JDM Version 7 and 8 STI, the EJ255 from the USDM 06-07 WRX and 04-08 Forester XT, or the EJ257 from the USDM 04-07 STI. It's considerably faster than the stock power plant and half or less than the cost of a replacement performance Boxster engine. Each Ariel Atom is built to order for its owner, who can choose from a variety of available options. Research the 2004 Subaru Impreza at cars. The EJ257 has bigger pistons thus they are a bit weaker. Yes, some guys have issues blowing ring lands with the WRX/STI, but they seem to be dropping off, and it's not a very common issue on a stock vehicle. The 2015 WRX STI features a EJ257 engine and has received performance upgrades vs the previous generation. Air Oil Separator: Subaru's Original. Motor stops to function. Looking at buying an EJ257 long block from a Legacy GT, Turbo Baja, Forrester FXT, or US STI. Cosworth EJ25 (STI) short block has gone through countless hours of dyno evaluation to determine the best combination of parts to guarantee performance and reliability. Get 21stcentury style power, torque and reliability with Cat Cam’s new Ford Pinto performance cam, pulley and coated follower kit Ford Duratec Give your 2. Designed to meet the demanding needs of road race, drag race and street cars alike, we have successfully achieved unparalleled drivability, response, and horsepower. , ACL high performance oil pumps offer Increased Oil Flow and Pressure, With unmatched reliability. The EJ22 is probably the most reliable Subaru engine with a very bulletproof block. The average cost for an engine mount replacement is between $242 and $275. com for San Diego shops, most of the guys on that website are old skool subie guys who can. Equipped with unique SUBARU BOXER® engine on all models and Symmetrical All-Wheel Drive on most, the Subaru product line, renowned for durability, reliability, traction and "active safety," represents one of the highest repurchase-loyalty ratings in the U. The '06+ EJ255 would have the air pump and the EJ257 that would come on a FXT would have a bugeye oil pan. A Dry Sump Sytem can offer levels of safety and reliability which cannot be achieved when utilsing the factory wet sump configuration. The all-new 2015 Subaru WRX is about to make its dealer launch and gets a new 2. The AMS 02-07 Subaru Rotated Mount V-band Turbo Kit is the new benchmark in Subaru performance. and this web-site are dedicated to making your Mopar more powerful and helping you to understand how to do it. 5 speeds typically sell for around $300-$1000 depending on miles. This keeps a consistent seat pressure across the head for ultimate reliability and performanc. 34 so far for my build. It was the first representative of the legendary EJ series. Our Sales; VIP Club; Contact; My Account; My Cart; Categories. Precision built using all of Cosworth's years of motorsports expertise and some of the finest parts available. Parallel-ground hardened washers are included. Features: Lower amounts of wear through the use of nylon jackets reinforced with aramid High-grade HNBR rubber construction delivers exceptional resistance to heat and. The Subaru Impreza (Japanese: スバル・インプレッサ, Subaru Inpuressa) is a compact car that has been manufactured since 1992 by Subaru, introduced as a replacement for the Leone, with the predecessor's EA series engines replaced by the new EJ series. The 2015 WRX STI features a EJ257 engine and has received performance upgrades vs the previous generation. Subarus really have some very serious reliability issues. This time our latest product developments have been in these new Titanium exhaust systems. 0L heads and cams (meaning this engine revs up fast with no flat spot run on 98 since install) - Oversized injectors fed by a big bosch fuel pump - Autronics SM4 computer with launch control and anti lag - front mounted inter. 2015+ Subaru WRX STI. The beehive spring design utilizes an ovate wire with advanced heat treatment for longevity and better stress distribution for reliability at high revs. In this case, the piston or rod starts knocking then the engine is cold at first and all time after some period. The EJ255 and EJ257, WRX and STi engines, are nothing like the ones in your Impreza or a Liberty. Just like Rotax has done with their 912/4 line of engines. The ej257 has variable valve timing on intake and exhaust where the WRX has it on one or the other only. Most Subarus you see on the road today have an EJ, and in 2011, Subaru introduced a completely redesigned engine, the F series. Continuing with our improvements, we bought an EJ257 oil pan, which helps retain and scavenge oil for higher reliability under high cornering Gs. Exceptional auto reliability in recent history is partially due to the engine control module (ECM) programming. Buddy of mine purchased a 16 STI and drives a ton. Subaru EJ25 engine reliability, problems and repair. Page 1 of 2 - Subaru Model & Engine Codes explained. MZM International’s mission is to be a turn-key solution for customers needing the ultimate in performance and reliability. 2005 Impreza Automobile pdf manual download. As I was recently in the market for a new car, I was cross shopping and researching many platforms. The engine had DOCH cylinder heads, 16 valves and based on semi-closed cylinder block (2004-2006 EJ257 shared the same EJ255 block). Here is the full review on my SUBARU WRX STI!! Hope it helps you if you are trying to get something similar. Orbit High Performance Oil Pump Brought to you by the same parent company as ACL Distribution Inc. In April of 2007, the full detailed specifications were determined for the EJ series complete engine. by Profet1182 from Tampa Fl on Fri Oct 10 2014 This is my first Subaru, I've owned honda, toyota, mitshubishi, and I gotta say I'm very impressed. Call up crawford performance and ask them about the reliability of the 08+ STi's and their tune worthiness. the EJ255 (06-14 wrx) and EJ257 (04-current STi) have known issues - ring land failure (low likelihood) and head gaskets that can fail anywhere from 60k-100k, or longer in some cases; most do them as preventative maintenance when they do their clutch & timing belt, as it's arguably easier to pull the engine to do those items all at the same. Sold as a set of four seals. The reason is stuck rings. 0s for that matter. Connect to KillerB MotorSports. Knocking noise from EJ20 Engine. Killer B Motorsport Aluminum Oil Pan: The Killer B Motorsport V4 Performance Cast Oil pan is designed to reliably meet the demands of high-performance Subaru Engines used on street or track applications. A4 (B5 Platform) Discussion - Given APR's discount on their chips, is the stage 1 chip worth it on the '01 engines? - I'm on the fence right now for 500 with EMCS and a stock and chipped mode, I think it's a good deal. Starting with a new Subaru EJ257 semi closed deck block, we diamond hone each bore to guarantee perfect piston to cylinder wall clearance. Since it has AWD, you can take the Impreza in any kind of weather—if you have the appropriate tire for the application (i. Fiveo Avenger 340/325 Fuel Pumps. The IAG Stage 2 short block builds off the Stage 1's strengths by adding IAG Spec H-Beam forged connecting rods. Our EJ257 Stage 2 (RW600) Short Block is our most popular option for a daily driver that makes 350-500whp. 2L Stroker kit, BC Racing 272° cams, Tomei headers, Tomei up pipe, Cusco Engine mounts, VF34 turbo, DeatschWerks 750cc top feed injectors, ARC FMIC, ARC BOV, ARC radiator, ARC short ram intake, Snow Performance Meth Injection and a 3-inch exhaust system. Cosworth Long Block. I just bought a 98 RX wagon and after a week of owning it the motor sh** itself (fail not happy) i have a mate that has an EJ25 motor that hed sell to me and i wanted to know if there is a great deal of difference between the 2 other than the. Lifetime warranty against sleeve cracking and sinking. 0s for that matter. Research the 2004 Subaru Impreza at cars. 5:1 +050 79mm Stroker (For use with a 79mm Crankshaft) No Longer AvailableInformation Sheet - Click HereThe piston is one of the most important components within an engine. The ej207 has a higher rpm limit and from my understanding hypereutectic forged pistons allowing for better piston to wall clearences than a comparable forged. This attention to detail and quality will save you time and money by keeping your Subaru product out of. 400 whp (particularly on 91 octane pump gas) is when cylinder pressures are high enough that a random knock event can take. Save $4,818 on a 2006 Subaru Impreza WRX STI near you. Page 83 Manual. Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. Although the EJ257 has higher output, its outdated turbo design and lacking of the latest technologies leads to a significantly slower throttle response and worse turbo lag, as you can see from our previous report and analysis. I understand that once you mod the car it has less reliability. Starting with a new Subaru EJ257 semi closed deck block, we diamond hone each bore to guarantee perfect piston to cylinder wall clearance. Crawford has said several times that the 08+ STi engines are good for about 500WHP on stock internals-you just have to tune them properly to prevent detonation. Forester STI bhp. The top bore edge radius makes it comfortable for ring gapping, and it has proven to reduce blowby, oil consumption, all while increasing reliability. IAG Stage 2 Subaru Short Block - 2. This is a great product for high-performance engine builds and you can use it on aftermarket or OEM head bolts. Exploring the Limits of the EVO X Engine | 4B11T vs 4G63. This article was originally published in forum thread: Comparing a tuned 2015 WRX FA20DIT to a stock 2015 WRX STI EJ25 - Almost a wash started by Sticky View original post 2 Comments subaru335i - 01-19-2015, 04:24 PM. The Golf R, S3, and M1 like the A45 aren't suited to the track, Subaru desperately need to ditch the archaic EJ257 engine in the STi, Mitsubishi are canning the Evo and why bother buying a new one when all that's changed in 7 years is aesthetics (largely). EJ257 Engine Reliability I've searched for the past week to find answers to my question, but i've been just getting more and more confused. The rods are weaker than the pistons in the EJ205 engine. The 2014 Subaru Outback has 299 problems & defects reported by Outback owners. The beauty of this is the respectable torque and reliability comes from and low weight 300lb motor, not to mention the low price. Learn more about Infiniti G35 at the Edmunds. The EJ257 is one more Turbo version specially designed for WRX STI. EJ257 vs EJ255 facts with pictures There is a lot of debate about the similarities of the EJ255 and the EJ257. This cylinder is hottest; the cooling is worse in this place of the engine. Unfortunately, given the manufacturing processes that were in place at the time of release, the cast iron cylinder liners could only be bored out by 0. With a Reference by DSPORT engine assembly, you spend more time on the track and less time under the hood. Higher Compression, The Perfect Seal, & Problem Prevention with this easy upgrade. Stock block Subaru motors using more than 10lbs of boost have proven to be too weak to handle the extra stress. Power does not equate to reliability. Senior Editor Scott Tsuneishi fortifies his EJ205 engine with forged internals to improve the engine's reliability. The car had a perfect service history and was in excellent condition compared to other stis I had looked at. With quality as our top priority, you can expect a real peace of mind and truly enjoy driving your WRX, STi or Legacy. SRS airbags must be inspected by a SUBARU dealer ten years after the date of manufacture, which is shown on the WARNING CAUTION certification plate attached to the driver’s. Call up crawford performance and ask them about the reliability of the 08+ STi's and their tune worthiness. Subaru launched the production of EJ engines in 1989 and 2. 2:1 for the 04-06 STI engine. And quite possibly the best bang for the buck is the EJ257 motor found in the STi parts are readily available. Subaru settles in oil consumption lawsuit. Subaru settles in oil consumption lawsuit. Every valve is made from premium grade, heat resistant stainless steel material to insure reliability with high boost and/or high rpm applications. 7mm Thick) - Subaru EJ255 / EJ257. Royal Straight | King Racing's Simple Solution to Save EJ257s DSPORT ISSUE# 187 1 Comment W hile the quality of Subaru's production line machine work may be adequate for an EJ257 engine to live a long life at factory power levels, there are few EJ257s that will spend their lifetime at factory power levels. But notie something in the previous sentence: And the one that we find in the WRX STI nowadays is named EJ257, which is. The confusing part is I was told the hybrid setup was a solid setup and a lot of people ran this setup with great success!. Yes, some guys have issues blowing ring lands with the WRX/STI, but they seem to be dropping off, and it's not a very common issue on a stock vehicle. But if a rebuilt 2. Choose top quality brands A1 Cardone, BBB Industries, CARQUEST, Maval, Replacement, SKP. I know a built motor running 500whp that gets tracked every weekend isn't going to necessarily last the longest. StrongArm Gas lift struts or gas springs are energy storage devices that create energy by compressing gas inside a cylinder. 5L 16V 04+ WRX STI / 06+ WRXE J255. 5:1 Time Attack FSR Piston Set For Subaru EJ257 (79mm Stroke) Cosworth Piston Ring Set For 99. 5 Best Engines of This Past Decade I know we're only slightly past halfway throught the decade, but the way things are going, the petrol engines we know and love are starting to reach their. 2015+ Subaru WRX STI. According to Law360, Subaru of America (SOA) has agreed to compensate the drivers who filed the class action suit. employs state-of-the-art CNC grinding machines to insure exacting tolerances. Reliability and cooling are big motivators for this and the newer/cheaper parts certainly don't hurt. The lightweight titanium retainers are CNC machined with tolerances and repeatability that are unmatched by other brands. JE Pro Seal 2007+ Subaru EJ25/EJ257 101. By purchasing items listed on this website or through special order, via our order form, email, telephone or fax, buyer understands and agrees to all of the Terms and Conditions of this website. The EJXX series are known for their reliability and for their longevity. TOMEI was founded by Mr. See Autopedia's comprehensive GD Subaru Impreza WRX STI. It turns out that this is fairly simple to do, and that is what is now commonly referred to as a Subaru Hybrid Swap, putting 2. FREE DELTA CAM T-SHIRT Just tell them what size you need!!! (additional shirts, $5. Wards 10 Best Engines is an annual list of the ten "best" automobile engines available in the U. Stock coolant expansion tanks are prone to failure after years of constant temperature variations. Unfortunately, the EJ257 powerplant had different intentions and, within two months of the basic bolt-ons, the engine suffered from a pair of cracked pistons. Top End Performance has been your source for the best prices on brand name, top quality car parts since 1994. Plus I don't wana go through the head ache of trying to find parts for the 207 when **** decides to break. Manley Platinum Series Pistons for Subaru have been specifically designed for performance and reliability for forced induction. GSC beehive valve springs and titanium retainers allow for more precise valve control and higher revs. Subaru settles in oil consumption lawsuit. 4 quarts of oil, over 30% increase in capacity over the OEM one. For an EJ255 and EJ257, all the block needs is a set of forged pistons. One suggestion. Valve Spring And Retainer Set. While few embrace it, change must happen in order to. I live in a hilly/mountainous region and have heard that the mpg can actually be better with the larger motor with…. Reply I apologise, you are correct, but it still suffers the same issues as the ej257 engine, cast piston design and failings in the bottom end, which both share, plus larger. EJ201, EJ202, EJ203, EJ251, EJ252 and EJ253. The 207 needs its timing, to shine. Brand new = RELIABLE. Hello, I just recently picked up an EJ257 short block out of an 04 STI and was wondering if anyone has ever built the motor to handle 400WHP? I dont actually plan on making 400WHP (more like 250) but I really like the idea of building the motor strong enough that all I would have to do is upgrade my injectors and turbo if I wanted more power. 5L The IAG Stage 2 Short Block is designed for modified EJ25 Subaru's that need a beefed-up performance short block. Our Crystal White Pearl will be the topic of many videos to come!. There are many cases when these engines run more than 500,000 miles mileage without serious problems. 5 liter turbocharged and intercooled four-cylinder boxer engine is virtually identical to the 300 horsepower EJ255 that first came to North America in 2004 in the WRX STi. Wiseco Piston Inc. For an EJ255 and EJ257, all the block needs is a set of forged pistons. 0s for that matter. Blocks that can take a beating. The 207 needs its timing, to shine. The CCI Twin Disc delivers uncompromised reliability and performance. If you need performance go big turbo and aftermarket. What's the reliability like on the 2015 Subaru WRX STI My S2000 was totaled due to theives ripping it apart and stealing my seats, so I need a new car. 5L EJ257 shortblock that comes as standard issue in the USDM STi will easily swap into nearly any Subaru Impreza WRX or STI with a turbocharged 4 cylinder motor. This 2-liter motor replaced 1. Still too early to tell if it is better reliability-wise. au PICTURES HERE https://www. Subaru EJ20 engine reliability, problems and repair. The AMS 02-07 Subaru Rotated Mount V-band Turbo Kit is the new benchmark in Subaru performance. Reliability and Efficiency: Our turbine pump technology delivers up to a sustained pressure of 120 psi. Too bad the 25s weren't the workhorses the 22s are reliability wise or 2. Presenting Aston Martin Reliability in stock and ready for shipping now online! Auto Truck Part Online Catalog. Subaru launched the production of EJ engines in 1989 and 2. AMS Performance Stage 1 600hp Short block Subaru EJ257 The AMS Performance Subaru STI Stage 1 EJ25 Short Block is the ultimate solution for high horse power reliability. 8L motor and soon, it turned into the main engine for all Subaru vehicles. Reason #7: The ringland-busting EJ257 was carried over, this is the single biggest reason why you should not buy an STI. Royal Straight | King Racing's Simple Solution to Save EJ257s DSPORT ISSUE# 187 1 Comment W hile the quality of Subaru's production line machine work may be adequate for an EJ257 engine to live a long life at factory power levels, there are few EJ257s that will spend their lifetime at factory power levels. With its highly regarded engine, styling, power, and performance, individuals who love speed and responsiveness go for Subaru as their top car brand of choice. Many people surmise the reason why the US-spec WRX STi does not handle as well as a Spec C is because the EJ257's extra weight and the slower steering rack hampers the feel and balance of the car. Overall Rating: The M2 is a two-door thrill ride that reaffirms BMW’s ability to build the ultimate driving machine. The 2014 Subaru Outback has 299 problems & defects reported by Outback owners. I haven't decided when I'll throw that in. IGOTASTi is an online forum and community for all Subaru WRX STi enthusiasts. The reason is stuck rings. The technological advancement of performance engines and even more so from tuned engines will increase the burden of stress on the head gasket. Subaru tends not to mess with the WRX and WRX STI often, but for 2018 the all-wheel-drive rocket gets some performance upgrades enthusiasts can get behind. Thanks to the drift-focused anime Initial D, professional driver Keiichi Tsuchiya and the motorsport of drifting, legions of Corolla and subsequently, 4A-GE fanatics took formation in the early 2000’s. A good buddy, Gary Narusawa owns this 2004 Subaru WRX and the mod list is as follows: BC Racing 2. IGOTASTi is an online forum and community for all Subaru WRX STi enthusiasts. Unfortunately, given the manufacturing processes that were in place at the time of release, the cast iron cylinder liners could only be bored out by 0. This along with any decent size turbo will make your goal pretty easy. 0 WRX was much lower power and the pistons being small where plenty strong. It was widely applied in all main car models. 0L EJ20 was the debut one of the series. In this case, the piston or rod starts knocking then the engine is cold at first and all time after some period. With its highly regarded engine, styling, power, and performance, individuals who love speed and responsiveness go for Subaru as their top car brand of choice. All EXEDY Racing Stage 1 Organic Clutch Kits carry SFI 1. This is either an "A" or a "B". Starting with a new Subaru EJ257 semi closed deck block, we diamond hone each bore to guarantee perfect piston to cylinder wall clearance. Labor costs are estimated between $123 and $156 while parts are priced at $119.