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  HPD ARX-04b      

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Country of origin:Japan
Introduced in:2015
Designed by:Wirth Research
Predecessor:HPD ARX-03b
Author:Wouter Melissen
Last updated:December 15, 2014
Download: All images

Configuration HR28TT 60º V6
Location Mid, longitudinally mounted
Weight 170 kilo / 374.8 lbs
Construction aluminium block and head
Displacement 2,799 cc / 170.8 cu in
Valvetrain 4 valves / cylinder, SOHC
Fuel feed Fuel Injection
Lubrication Dry sump
Aspiration Twin Turbo
Power 450 bhp / 336 kW @ 6,800 rpm
Torque 550 Nm / 406 ft lbs @ 4,000 rpm
BHP/Liter 161 bhp / liter

Chassis carbon-fibre composite monocoque
Suspension (fr/r) double wishbones, push-rod actuated coil springs and four-way adjustable dampers, anti-roll bar
Brakes (fr/r) ventilated carbon-ceramic discs, 6-pot caliper
Gearbox Paddle Operated 6 speed Sequential
Drive Rear wheel drive

Weight 900 kilo / 1,984 lbs
Fuel tank 75 Litre (19.8 Gallon US / 16.5 Gallon Imperial)

Performance figures
Power to weight 0.5 bhp / kg

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  Article Image gallery (3) Specifications