Fuji Heavy Industries Ltd. (FHI), Subaru's discern business enterprise, has released info on its third-era 4-cylinder boxer engine to be able to be to be had in 2.Zero-liter and a couple of.5-liter displacements. This is the primary overall renewal because the second one era changed into brought in 1989. The horizontally adverse flat 4 has been a mainstay of Subaru's Impreza, Forrester and Legacy fashions for a while.
Subaru claims that gasoline efficiency is up via 10%, way to a compacter combustion chamber and longer stroke, variable-valve timing (which Subaru calls Active Valve Control System) on both the intake and exhaust valves, lighter pistons and connection rods, a more efficient and compact oil pump and separate engine cooling circuitry for each the block and head.
Power for the 2.0 L engine stays the same at 109kw / 150HP, while torque is up five Nm to 196.
The new boxer engine has a slightly better compression ratio of 10.Five (up from 10.2), a shorter bore (84 mm, down from 92) and longer stroke (ninety mm, up from 75). Subaru has yet to release details about changes to the two.5-liter unit.
The first Subaru to acquire the 1/3-technology boxer engine will be the Forester.
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