There Was a Hidden Agenda Behind Why Porsche Made the new 911 Turbo S Way More Powerful

    The 992-gen 911 Turbo S isn’t way more powerful just so it can be faster

    2021 Porsche 911 Turbo S

    The 992-Gen Porsche 911 Turbo S came with quite the surprise when it was launched during what would have been the Geneva Motor Show. It wasn’t some new out-of-the-box look, which isn’t surprising considering the car hasn’t changed much over the last 6+ decades. No; instead, Porsche endowed the new 911 Turbo S with the biggest power upgrade in the car’s long and illustrious history.

    That power upgrade, by the way, boosted the Turbo S from 580 horsepower and 553 pound-feet of torque up to a whopping 640 horsepower and 590 pound-feet of torque – a 60 horsepower and 37 pound-foot improvement. But, Porsche didn’t just jack the 911 Turbo S up for the sake of making the car faster. Instead, the purpose was to make the driver happy.

    2021 Porsche 911 Turbo S
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    In a phone interview with Road & Track, Dr. Frank-Steffan Walliser explained just what the motivation behind the massive power bump was all about.

    “If you take a 580-hp car and add another 20 or 30 extra [hp], you won’t really feel it. Maybe you can measure it, but the reason for a new Turbo is that you feel something, that you feel a difference…we wanted to really make a step.”

    How Did Porsche Make the 911 Turbo S So Powerful?

    Seeing such a massive power bump, one would naturally assume that Porsche decided to come up with a new engine. And, it kind of did. But, it’s not a development of the 991 engine. It’s actually based on the 3.0-liter Carerra engine. It only ended up with the 3.8-liter after shortening the stroke of the engine’s pistons and by decreasing the compression ratio by 9.8:1 to 8.7:1. The intercoolers now sit on top of the engine, and the charge-air coolers are now behind the engine. The turbos were also reworked with larger internals and turbine wheels that spin in opposite directions.

    2021 Porsche 911 Turbo S

    Needless to say, it wasn’t easy, but it was well worth it. All the extra torque even required Porsche to put a bigger clutch pack inside the PDK gearbox and strengthen the all the hardware that directs the engines power from the transmission to the front wheels.

    “You can really feel the size of the engine, and once the turbos reach boost pressure, it’s really impressive,” Dr. Walliser said. “The car is a little bit more raw.”

    All told, the new Porsche 911 Turbo S can make the run to 60 mph in 2.7 seconds, an improvement of 0.2 seconds over the 991-gen Turbo S. It’s not a staggering improvement, but how much faster can you really expect the Turbo S to get? After all, that wasn’t the point of the drastic power improvement anyway, now was it?

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