The 2017 Porsche 911 RSR goes mid-engine, purists be damned
The engine in the latest Le Mans competitor is in front of the rear axle.
Porsche unveiled its World Endurance Championship and IMSA WeatherTech Championship competitor with the 2017 911 RSR. And this 911
is different from the rest, as the 4.0-liter flat-six engine powering
this beast is in front of the rear axle, not behind it. That's right,
this 24 Hours of Le Mans competitor ditches the iconic rear-engine layout.
Porsche
isn't talking specifics on how exactly things are arranged back there.
The engine is new, now based on the 991 911's block instead of the
previous Mezger motor that's been used for years. The transmission
design is new as well – it would have to be to accommodate the new
location relative to the engine.
The racecar has been engineered to meet the LM-GTE class, where it will go up against other mid-engine cars like the Ford GT and Ferrari 488 GTE.
Moving the engine to the middle has given Porsche the ability to fit
the 911 RSR with massive bits of aero, like the humongous rear diffuser
that looks like it would be more at home on a machine of war. The only
thing that can compete with the diffuser for size is the top-mounted
rear wing, which shares a similar design to the one found on the 919
Hybrid.
(AutoBlog.com)
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