Subaru
EJ = Engine family (flat four)
EA = Engine family (flat four)
EG = Engine family (flat six)
ER = Engine family (flat six)
EN = Engine family (four cylinder)
07 = 660cc
18 = 1.8 litre
20 = 2.0 litre
22 = 2.2 litre
25 = 2.5 litre
27 = 2.7 litre
33 = 3.3 litre
Subaru
Sixes
The first performance-oriented horizontally opposed six that Subaru produced was the ER27. Released in the Vortex 2-door in the mid/late 1980s, the 2.7 litre fuel injected engine made a reasonable 112kW at 5200 rpm. But it was, however, only Subaru's first attempt at a mass produced six.
Its successor, the now discontinued EG33, came as factory fitment to the stylish SVX 2-door. Boasting 3318cc, 24 valves and DOHC, this engine made a more impressive 179kW at 6000 rpm, complimented by 309Nm at 4800 rpm. Unfortunately this engine never came with a factory turbo option, but because its design is very similar to the EJ20 turbo 4 cylinder, it may be possible for aftermarket tuners to find something spectacular lurking in these engines. It would definitely make an exciting sight!
The most famous Subaru flat four of all time is the EJ20T single turbo engine. Featuring quad cams, 16 valves and a fuel injected intercooled turbo system, it is able to push out up to 165kW at 6400, along with 270Nm of torque at 4000 rpm. A twin-turbo version of this engine can also be found in the current Japanese-spec Legacy GT. With sequential turbo staging, boost response is said to be excellent - which is just the thing to go along with its stock 194kW at 6500 rpm...
However, the EJ-series of engines also include 1.8, 2.0, 2.2 and 2.5 litre naturally aspirated versions. Most relevant is the '95 released EJ25, which makes a total of 119kW at 6000 rpm and 211Nm at 2800 rpm (which basically means if you want real power, go for the turbo EJ20!).
Prior to the release of the EJ motor was the tough-as-nails EA flat four. It came in both naturally aspirated and non intercooled turbo form to make up to 101kW at 5600 rpm (the turbo engine, that is). While these engines aren't outright screamers, they were very successful in the rally scene in the all-wheel-drive RX sedan - probably due to their reliability.
Subaru's smallest four is the EN07. Able to fit into any of the Subaru front wheel drive micros, these 658cc supercharged four cylinder engines are still good for up to 48kW (with 88Nm at 4000) at 6400 rpm in DOHC form. Who knows, maybe sometime we'll see a STi enhanced Subaru Fiori/Vivio blazing around a racetrack?! (MK has forgotten the stunning success of the supercharged Vivio in rallying.... Ed)
Subaru
Sixes Power
EG33 179kW
ER27 112kW
Fours
EJ20 turbo 165kW
EJ20 twin turbo 194kW
EJ25 119kW
EA82 turbo 101kW
EN07 48kW
subaru engine specs
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chubby37
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subaru engine specs
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