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Porsche Could Build A More Powerful Cayman GT4 RS

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This is what Porsche has to say about the rumored Cayman GT4 RS.

Last month, Porsche presented the new 2020 Cayman GT4. With its naturally-aspirated 4.0-liter flat-six engine producing 414 horsepower and 309 lb-ft of torque and a six-speed manual transmission, it's arguably the perfect Porsche for purists. The new Cayman GT4 borrows several suspension components from the 911 GT3, but what if it borrowed some of its engine technology as well?

The result would likely be a hardcore Porsche Cayman GT4 RS that we would want very badly. Carsales quizzed Boxer engine development manager, Markus Baumann, about the possibility of a more powerful Cayman GT4, and his response was very encouraging.

According to the executive, the GT3's titanium connecting rods could "easily" be adapted to the Cayman GT4's naturally aspirated 4.0-liter flat-six and extract significantly more power without having to resort to turbocharging. "Yes. We could of course get more power," he said. "When we take the technologies from the GT3, like the titanium con-rods, or the dry sump … when you apply those technologies to this 9A2 engine it can create much more horsepower than 420 hp."

Both the Cayman GT4 and 718 Spyder rev all the way to 8,000 rpm, but Baumann believes they could rev even higher. The executive explained that this could be possible by reducing the friction and ventilation losses in the crankcase or increase the engine speeds to create more power.

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It's a surprising revelation, considering that gaining an extra 200 rpm over the previous 3.8-liter Cayman GT4 was one of the toughest challenges Porsche faced when developing the new engine, according to Baumann. Don't expect a Cayman GT4 RS to happen soon, however. Baumann admitted that 420 horsepower "is enough power" for now and prevents the Cayman GT4 from treading on the 911 GT3's toes.

Despite this, Carsales believes that a Cayman GT4 RS could be on the cards in mid-2021, one year after the dual-clutch automatic transmission is expected to be offered in the Cayman GT4 and 718 Spyder. Baumann also hinted that Porsche's new naturally aspirated 4.0-liter flat-six could be added to other models, but didn't disclose any more details. "We can take that engine to other cars of course, but these are future projects and I don't want to talk about them," he said.

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