Also new moly coated pistons were used, and compression ration was increased to 10.1. This motor was used for Subaru till 1998, then it was replaced by EJ251 engine.ĮJ251 belongs to Phase 2 and it used new SOHC heads, one camshaft for each. In 1997 pistons were modified, and power increased to 165 HP. The timing belt replacement is necessary for each 50,000-60,000 miles of mileage (90,000-100,000 km). The first variant of EJ25 Phase 1 was called EJ25D and it used DOHC cylinder heads with 4 valves on the cylinder. Due to all this it was possible to get 2.5 liters capacity. The rod length remained the same 130.5 mm, and piston compression height decreased to 30.7 mm. It contained the crankshaft with a piston stroke 79 mm. It is similar to the EJ20 cylinder block, but diameter of cylinders was increased to 99.5 mm, cylinder block deck height remained the same (201 mm). Subaru EJ25 engine used the aluminum cylinder block with dry sleeves. It was widely applied in all main car models.
This engine was produced since 1995 and was the biggest engine of the EJ family. Subaru EJ25 engine reliability, problems and repair
RECOMMENDED ETUNER SUBARU FULL
Larger intercooler, downpipe and/or fuel pump/injectors are needed to take full advantage of the GTX turbo options.Normal engine operating temperature, ☌ (F) The significant increase in power should also be balanced with better braking performance. For track use, an oil cooler like the WORKS Oil Regulator/Cooler Kit and stiffer motor mounts are highly recommended. We encourage the use of a high-flow air filter with this turbo kit. NOTE: This kit is compatible with automatic transmissions ONLY.
Retains the factory air box, exhaust manifold and front pipe and thus both catalytic converters.Proper heat protection (battery heatshield, heat wrap for wiring).Short length intake piping and efficient intercooler core minimize pressure loss/drop and maximize boost response.Internal and external ceramic coated up and downpipe.Turbocharger mounted rearward to maintain chassis balance and handling.Bumper and oil pan removal not necessary.Very simple installation in less than one day.Containing all necessary equipment for added oil and coolant routing, as well as heat shielding and specialty hardware, it is truly a bolt-on and OE quality upgrade, requiring no cutting, fabrication, or internal engine modification. Through the use of custom thermal coated up and down pipes, custom intake piping including a finned aluminum air-to-air heat exchanger, OEM style diverter valve, centered around a genuine Garrett GT28 journal bearing turbo, you will reap the benefits of efficient turbo-charged power while still retaining your OEM air box, OEM exhaust manifold headers and OEM secondary catalytic converter (front pipe). The sophistication and elegance of our kit is found in its simplicity. 2013-2021 Subaru BRZ/Scion FR-S/Toyota 86 AT Stage 1 Simple Turbo Kit - Tuner Kit by WORKSĪfter two years of engineering development and testing, WORKS is proud to introduce their innovative Stage 1 "Simple" Turbo Kit for the FR-S/BRZ/86.
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