Likely by horsepower for every liter, the Toyota GR Yaris has 1 of the most impressive production engines presently on the marketplace. Its 1.6-liter turbocharged inline-3 is rated at an amazing 268 horsepower straight from the manufacturing unit. Though that sounds very high-strung, it appears to be the motor has a entire great deal much more left on the table, even with primarily inventory internals.
Motive Garage and and Powertune Australia wanted to see just how considerably they could push the GR Yaris’s tiny a few-cylinder just before cracking it open to swap out matters like cams, pistons, and rods, upgrading almost everything from the turbo to the MAF sensor to the fueling method. The only genuine mechanical update inside the engine is new valve springs. With anything maxed out, the team was equipped to squeeze an incredible 473 hp to the wheels on a hub dyno.
That quantity helps make it the most potent GR Yaris on the planet (that we know of, anyway). The tuners have however to check the car or truck at the drag strip, but count on it to munch the quarter-mile in the 10-2nd assortment and eclipse a 130-mph trap pace.
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