A very well-managed EJ20 engine is typically anticipated to previous further than 200,000 miles. Numerous elements add to its longevity, which include its rigid boxer style, which By natural means minimizes have on as a consequence of its balanced movement, and Subaru’s determination to utilizing quality materials and production procedures.

The compression ratio is a bit better, along with the stroke has increased as compared to the EJ engine; Formerly, the chassis precluded a longer stroke. These improvements strengthen combustion performance and allow bigger torque at lower speeds.

The engine block is then installed with two aluminum heads, just one camshaft on equally intake and exhaust with two valves for each cylinder, to the Preliminary launch, and adopted with dual cams on some generation with four valves for each cylinder.

Pistons are modified employing a Solid aluminum substance and also have oil squirters. It truly is followed by an open up-deck block Outfitted with piston oil squirters until the EJ20K WRX engines launch.

The EJ20X and EJ20Y engines experienced an aluminium alloy cylinder head with cross-move cooling, double overhead camshafts (DOHC) per cylinder lender and four valves per cylinder that were actuated by roller rocker arms.

The equal intervals involving combustion functions provide a easy and regular shipping and delivery of electrical power, which interprets to responsive acceleration and a far more refined driving encounter.

As a result of these variables, house owners of vehicles Along with the EJ20 engine must be diligent about upkeep. Normal service makes sure the engine’s longevity and assists avoid the higher costs affiliated with fixing an interference engine following a timing failure.

In the case of the WRX, the EJ20 comes along with a turbocharger and, depending on the product yr, as much as 268 horsepower.

With advancements in turbo technology, these engines deliver a big functionality Enhance while protecting gas performance.

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Be aware: The Australian Spec MY00 EJ205 does not have coil on plug but can be discovered with the VIN with the vehicle (if recognized) in which the read more tenth digit will probably be Y (for yr 2000) as well as sixth digit will be eight (with the 2000yr/EJ205)

The EJ20X and EJ20Y engines are open deck forms wherever the cylinder partitions were supported on the 3 and 9 o’clock positions.

Probable for Problems: Should the timing belt breaks, the engine can put up with sizeable damage, bringing about costly repairs.

All the WRX assortment benefited from your MY97 engine update but, again, the wagon Variation isn’t as grunty as being the sedan. Irrespective of utilizing a nine:1 static compression ratio, the handbook and car trans MY97 wagon helps make 176kW/304Nm. In late 1997 (for your MY98), the wagon’s output was bumped nearly 184kW/306Nm. Then, in late ’98 (for that MY99), the WRX sedan engine was boosted to 338Nm. A revised intercooler core, revised ingestion manifold and ECU mods might be thanked for the attain.