Wheels Australia — August 2016

(Barry) #1

Engine


Dry-sumped4.0-litretwin-turboV8now
produces 55kW/50Nm more thanks to new
turbos and 1.35 bar of boost (up from 1.2 bar).
There’s also revised engine mapping, a retuned
combustion process and a lighter flywheel


Four-wheelsteer


AMG’s first four-wheel-steering system turns
therearwheelsinoppositiontothefronts
below100km/hforgreateragility.Above
threefigures,therearsmoveinthesame
direction up to 1.5 degrees


Suspension


AMG’s continuously variable, three-stage
adaptive dampers remain, now paired with
coil-overs with adjustable spring rates. A
thicker but tubular (aluminium) rear anti-roll
bar aids dynamics and saves weight


Exhaust


Three-outlet exhaust is louder and meaner,
and 6kg lighter courtesy of a titanium silencer
andthinnerstainlesssteel.GTR’s1555kg
kerb weight is 15kg lighter than the GT S,
distributed 47:53 front to rear


Brakes


Standard stoppers comprise the same
ventilated and perforated discs (390mm front
and 360mm rear) as the GT S, though larger
optional carbon-ceramics save 17kg


Aero


GTRisthefirstAMGtosportactiveaero,
whichboostsdownforceandimprovesdrag.
Sculpted body also directs more air to the
brakes for improved cooling, as well as towards
theF1-inspireddouble-diffuserattherear


Tyres


GT R’s massive 325/30R20 rear rubber is the
same size as fitted to the SLS Black Series.
Race-specMichelinPilotSportCup2tyres
will improve lap times and last up to
50percentlongerduringtrackuse

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