5-liter EJ engine found in the WRX STI. The EJ20's thicker cylinder sleeves and exceptional cooling on the EJ25 enable it to be considerably more unlikely to get this failure. In the case in the EJ20, It is like most engines. Take superior treatment of it, and it'll take fantastic treatment of you.
The EJ20 isn’t just A different engine; it’s a significant chapter in Subaru’s heritage. It signifies a philosophy that embraces both of those functionality and practicality.
The engine block is then put in with two aluminum heads, one particular camshaft on the two ingestion and exhaust with two valves per cylinder, around the Original release, and followed with twin cams on some production with four valves for every cylinder.
A: Aftermarket sections may be used, but make certain they meet or exceed the first devices company’s (OEM) technical specs for the most beneficial overall performance and in good shape.
Dependant on exactly the same engine platform; the X designation indicates an automatic deal, and the Y designation implies a handbook offer.
Common Maintenance: Sustain with normal servicing schedules, which includes oil changes and air filter replacements.
Turbocharged versions of the EJ20, for instance Individuals located in the WRX and STI versions, arrive Geared up using an check here intercooler to reduce the air consumption temperature, thus escalating density and enabling For additional energy.
on the rocker arms Employed in the former EJ20G. Pistons in this type of EJ20G are all cast aluminum. Closed-deck engine block equipped with
General performance: Regardless of its sturdy Make, the EJ20 doesn’t sacrifice performance, providing a strong stability in between efficiency and electrical power output.
7:one by reshaping the piston crown. This eliminates the clearance that was out there involving the piston at TDC along with the thoroughly opened valve. This remodeled the EJ22 into an interference design and style.
It displays loads of likely and aftermarket assistance. The cost is excellent, not over the top but nevertheless supplies an outstanding dollars-again for the money you put in on. Not that monstrous style of engine, but it's going to however be deserving of being put like a sleeper, for my part.
The power steering pump differs. The JDM vehicles involved some Spec C with thirteen:1 steering rack. The pump remained the exact same, so it is made to take care of a fast rack.
the sparkplug pipe is pressed in to the cylinder head and is not serviceable. If it turns into harmed the cylinder head must get replaced. The seals mounted on to the finishes of your sparkplug pipes seal against the valve handles and should get replaced in the event the valve cover is removed.
When discussing the EJ20’s lifespan, it’s imperative that you contemplate how its sturdy design and appropriate servicing converge to outline its very long-expression performance.