12 compelling reasons why the Toyota logo has been put on this Subarura

The engine space in the Subaru Impreza is so tight that even replacing the four spark plugs requires serious gymnastics, so most owners don’t even think about replacing the four-cylinder boxer with a larger engine. Few people think that up to three times the original number of cylinders is possible, though John Proulx The 2009 Impreza WRX is proof that even a rare V12 Toyota engine can be fitted to a street rally car.

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Proulx sourced the Japanese domestic market resource from a previous-generation Toyota Century (manufactured between 1997 and 2017), the luxury car that has been the official car of the Japanese emperor for decades. In its basic state, the V12 was not particularly strong compared to its five-liter displacement, and the specimen produced produced 276 horsepower and 480 Nm. At Proulx, however, it could deliver almost four times that soon, as it plans to increase performance to 1,000 horsepower with a pair of Garrett turbos.

12 compelling reasons why the Toyota logo was put on this Subarura 2

As Subaru’s factory powertrain couldn’t stand it, Proulx gave up all-wheel drive and replaced the transmission used in the car’s most recent engine replacement – when it installed a Toyota Supra 2JZ-GTE in-line turbo in the Impreza – with a seven-speed dual-clutch 33 comes from. This Getrag GS7D36SG is famously robust, and it’s no coincidence that many tuned Nissan Skyline GT-Rs also serve this, as modifications can be made to withstand nearly 1,700 Nm of torque.

12 compelling reasons why the Toyota logo was put on this Subarura 3

So a 1000-horsepower Toyota V12 shouldn’t be a problem for the transmission, but neither for the universal joint, the half-axles, which are all reinforced, unique pieces. The unwavering power will be distributed between the rear wheels by an upgraded 8.8-inch Ford self-locking differential. Despite the scarcity of space, the entire drivetrain ended up surprisingly easily fitting into the compact-sized Impreza. “Of course I had to relocate the steering rack a bit to have enough space for the starter,” the builder said.

It was a more difficult task to prepare the rarely tuned Toyota V12 for turbocharging, which often meant adding a lot of high-performance and poisonous parts to literally dozens. “The engine was not very expensive, it cost only 3000 Canadian dollars (750 thousand forints). On the other hand, I had to pay a lot for the other parts needed for operation, the twelve 1000cc injector, the twelve ignition coil package, the two throttle housings, the two turbochargers, the two individual outlets, and the unique ECU that can control it all. And then I didn’t even mention the dual-clutch transmission, cabling and other little things, ”he added.

12 compelling reasons why the Toyota logo was put on this Subarura 4

All in all, Proulx has spent more than 6.3 million forints on the project so far, and has yet to work out how to install the pipes for the turbos and the various coolers. But the handyman is already thinking about fitting shift paddles behind the wheel.


Source: Vezess by www.vezess.hu.

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