Can a Subaru EJ205 engine be swapped out?
Swapping some EJ205 engines is much easier than swapping other EJ205s because not all EJ205 engines have the same characteristics. Depending on the year the engine was built it may have AVCS, may be DBW, and it might even be immobilized.
What makes an EJ20 engine so much better?
Different EJ20 engines respond better to less aggressive cam durations so view each engine as unique. The engine timing and injectors and fuel pump also have an effect on the power gains you’ll achieve.
What to do with AVCS wiring on Subaru EJ205?
Simply add in the AVCS wiring with our AVCS bulkhead wiring kit, plug in the JDM ECU and tune the car (the fuel in Japan is higher quality than here in the US) or just keep the USDM ECU and ignore the AVCS.
How does the intake header work on a Subaru EJ20?
Headers transmit the air during the suck phase from the filter and allow it to be drawn into the engine cylinders with fuel for the squish phase. The bore size, shape and rate of flow of the Intake headers can make a big change to fuel atomisation on the EJ20.
Different EJ20 engines respond better to less aggressive cam durations so view each engine as unique. The engine timing and injectors and fuel pump also have an effect on the power gains you’ll achieve.
What do you need to know about tuning the Subaru EJ20?
“All you need to know about tuning the Subaru EJ20 engine!” The Subaru EJ20 is a boxer configuration engine and sounds fantastic, it still rates as one of my all time favorite engines.
How does twin scroll turbo work on Subaru EJ20?
Twin scroll turbo units divert the exhaust gases into 2 channels and push these at differently angled vanes in the turbo charger. They also improve the scavenging effect of the engine. You’ll commonly see there is a limit in the air flow sensor MAP/MAF/AFM on the EJ20 when considerably more air is being drawn into the engine.
What kind of engine does Subaru Legacy EJ20K have?
EJ20K engines fall into either shim under or shim over bucket design EJ20H EJ20R EJ206 and EJ208 were fitted to the Legacy and each had differences, with the EJ208 regarded as a new engine design thanks to revised Camshaft, intake manifold injectors and fuel/timing.