The Driving Force Behind… the Volvo S60 Polestar

POLESTAR-Volvo-V8-Supercars-engine-4 Volvo Polestar Racing S60 V8 Supercar engine

VehicleVolvo S60 Polestar
EngineB8444S Volvo 4.4 litre Quad Cam V8
PowerEstimated 640+ BHP
GearboxControl Albins ST6 6 speed sequential Transaxle with integrated spool differential
DifferentialCircuit-dependent. Spool drive, final ratio adjustable through transaxle drop gear
Front SuspensionDouble wishbone suspension with adjustable damper and cockpit adjustable front anti-roll bar
Rear SuspensionControl independent double wishbone rear suspension manufactured by Triple Eight Race Engineering with driver adjustable anti-roll bar system designed by Triple Eight Race Engineering
Front BrakesAP Racing 6 piston calipers, 395mm ventilated steel rotors, driver adjustable front to rear brake force distribution
Rear BrakesAP Racing 4 piston calipers, 355mm ventilated steel rotors, driver adjustable front to rear brake force distribution
WheelsControl Rimstock 18" x 11" forged aluminium rim
TyresDunlop 18" Sport Maxx 280/ 680 control tyre, Hard and Soft compound slick as well as wet weather
Fuel SystemPremier designed Control 112 litre capacity carbon fuel cell and fuel bladder, with dry-break refuelling system
Vehicle WeightMinimum weight of 1410 kg including driver
Top Speed298+ km/h
0-100 kmh3.2 secs
Steering ColumnCustoms rack and pinion power assisted steering
Shock AbsorbersOhlins TTX Dampers
ElectronicsMoTeC M190 Engine Control Unit, EDL 3 data logger with Mini dash display and shift light module, Power distribution module and video capture system
Pedal BoxControl pedal box designed and built by Triple Eight Race Engineering
TelemetryFreewave 900Mhz spread spectrum radio
SeatRacetec FIA Approved
Steering WheelOMP Racing wheel
ENGINE TECHNICAL INFORMATION
Block Modified Volvo B8444S, 60 degree aluminium cylinder block
Heads Modified Volvo B8444S, aluminium
Bore x Stroke95.5 x 87.1mm
Capacity4989cc
Compression Ratio10:1
Power650bhp (estimated)
Torque650 Nm
Max revs7500rpm
Induction Naturally aspirated, eight throttle bodies
CrankshaftFlat-plane
FuelE85
LinersCast in steel liners
Valve trainDouble overhead camshafts, direct acting tappets
IgnitionVolvo B8444S coil on plug
Injection Port injection, one injector per cylinder, injection pressure 5.5 bar

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