We need to think of Subaru in this instance. It could be a hybrid motor with an electrical motor since it seems that’s where the trends are going and Subaru has an entirely separate market to cater to. This cylinder is hottest; the cooling is worse in this place of the engine. The end of an era. Also on the EJ255, Japanese Forester STI, the turbine was VF41. View the entire photo gallery of SUBARU engine oil leak sources here. In 2010 they released 2.5-liter FB25 motor for the large Subaru cars. The FA engine is highly superior, as will be the STI update I'm sure. In another version of the engine, boost was increased to 0.93 bar, set a larger intercooler and removed 230 hp at 5600 rev / min. This motor is a successor of naturally aspirated flat-4 boxer EJ253 engine.Its basis is aluminum FB20 cylinder block with cast-iron sleeves, diameter of cylinders in it was increased to 94 mm, thickness of cylinder block sidewalls was 3.5 mm. 2. Subaru EJ25 engine used the aluminum cylinder block with dry sleeves. We asked for a turbo BRZ, and they gave it to us but it was wrapped into a 4 door sedan and a WRX emblem was slapped on it. The EJ motor hasn’t changed much since 2002, but that might be why every person who owns one of these cars loves it so much. 4. All accessories were working fine when pulled off. in fact, the Subaru Legacy still holds the 24 hour sustained speed record with the Legacy SS; a turbo charged EJ22 that was available in the US from 92-94. The wheels are machined in a different fashion on certain spokes around the wheel that give it a distinctive look. This two-liter version laid down the history of the EJ series. Ask your questions in comments down below this article - he will be glad to help you anytime. But as you all rush in to wish for the old school rumble, what I'm saying is the deletes on the FA do produce a similar sound. There are specific ways to test a Subaru 2.5L engine for leaks, and not all testing methods provide reliable results. In the first variation EJ25D used twin-shaft cylinder head (DOHC) with 4 valves per cylinder. Wrong the FA has equal length and the EJ has unequal length which gives it the rumble. The engine became widespread in all major models of the brand. Subaru EJ25 Engine | Tuning guide, main problems, specs We begin our EJ20 / EJ25 Subaru engine rebuild by doing a full step by step DIY disassembly and how to engine teardown. Subaru Baja; SAAB 9-2X; EJ25 2.5l engine Problems and malfunctions. He has worked with the automotive industry for the last 18 years and has since grown very fond to the community. eval(ez_write_tag([[250,250],'engineswork_com-medrectangle-3','ezslot_7',151,'0','0']));The largest member of the EJ family was released in 1995 and carried the designation EJ25, and this engine is widely used in all major car models. I owned a 1974 model and it leaked like a sieve until the engine slung a rod. Km. Which Is Better: The Hyundai Palisade or the Subaru Ascent? I’ve owned three WRX’s in my life, a currently own a 2015 with that is powered by the FA. Good news is if you're installing new head gaskets then you really don't have much of a head gasket problem to worry about, just be sure to use Subaru head gaskets. Alex has owned 16 different cars and writes automotive news based on research, his personal expertise and experience. Subaru recognized the HG problem in the 2.5 L SOC engines and in April 2002 implemented a “Service Campaign” to “fix” the problem, which Subaru claims only occurred in 1999 to 2002 model years. If this turns to be true it could mean an entirely new platform that may be explored for enthusiasts like myself. In 1998 it was released with twin-shaft EJ254 with DOHC cylinder head, which is the heir EJ25D and related to Phase II. The new engines such as the FA20 in the WRX have a very different sound compared to even the MY19 STI as the new engines all have Equal Length Headers causing a smoother running exhaust gas thus reducing the rumble. Granted, this platform is entirely respected with massive potential but it’s relatively new so we are still seeking reliable numbers above 500 ponies to the wheels. Item ID 1163 Model(s) Must keep intake and accessories from old engine … 5 ft/lbs - 25Nm Clutch Spring Bolt - 7. heads on 98 outback ej25 need torque specs and sequence for camshaft and seal caps. A clear example of lugging an engine is driving down the highway in 5th (5MT) or 6th (6MT) and flooring it with the engine around 2,000 to 3,000 RPM. Even the turbo ej came out in 1992 I think in the turbo legacy. Not a good engine at all and the team who designed it should be ashamed. They are just poorly designed and fail in the big ends and rings. Most Subarus you see on the road today have an EJ, and in 2011, Subaru introduced a completely redesigned engine, the F series. Follow these recommendations to avoid piston ringland failure in your turbo EJ20, EJ25, or FA20 powered Subaru. 02-05 jdm ej20 subaru impreza wrx turbo avcs engine ej25 jdm ej20. So what you have is a good sound while also having the benefits from a more efficient engine design. Meanwhile, the motorsports famous STI kept the tried and true EJ25 that has since released very capable variants like the S209 and Type RA specs. BOVs, CAI, boost controllers, no EM etc. The second group that has experienced Subaru head gasket problems is the Subaru 2.2-liter and 2.5-liter engines that are in the specific Foresters, Imprezas, Outbacks, and Legacies. This is a farewell. Does not apply to the H6 EZ30 which uses a timing chain). Subaru EJ25 engine problems and malfunctions.