The muscle-car party in Australia just keeps going on and on; HSV or Holden Special Vehicles, unwrapped the LS7 V8 powered W427 Commodore at the Melbourne Motor Show. While power output figures are still to be confirmed, the W427’s 7.0-liter or 427 c.i. V8 engine is likely to produce in excess of 496 Hp and 640 Nm or 472 lb/ft of torque.
HSV Managing Director, Scott Grant, said: “The W427 will be quite possibly the fastest road registrable Supercar ever produced in
Styling and design highlights of the W427 include an all new front fascia, a three piece carbon fibre rear spoiler, 20 inch machined faced alloy wheel, unique exhaust tips and red leather interior. The W427 is scheduled to enter production in the middle of the year and will be available for sale in dealerships in the third quarter of 2008. –Details and pics after the jump
W427 key highlights
Exterior
All new Front Fascia exclusive to W427
All new three piece rear spoiler in carbon fibre
All new 20 inch wheel
Interior
HSV performance seats in full red hot trim with W427 logo, steering wheel, gear shifter and console lid in full red hot leather
Powertrain
7.0 Litre, LS7 Engine with HSV specific calibration
o 370kW @ 6500 rpm
o 640Nm @ 5000 rpm
Over radiator style cold air induction system with high flow air filter
Dry sump lubrication system with 2 stage pump
Hand fabricated aluminium oil reservoir, with internal baffles for high G loading
Front mount, 13 row engine oil cooler
Ceramic coated, high flow four into one extractors
High flow catalytic converters and exhaust system (3 into 2 ¾ )
Active bi-modal rear mufflers for exhaust back pressure management to improve noise quality
High strength limited slip differential
New high strength six speed manual gear box (TR6060)
GMPT LS7 Clutch with new actuator and pedal assembly for high clamp loads
Suspension
New springs, 30% stiffer than GTS
Revised ride height 20mm lower than GTS
New stiffer rear suspension bushing
All new MRC calibration
Brakes
New 6 piston front braking system (50% increase in pad area)
Strap drive, 2 piece floating front rotors (380 x 35mm compared to 365 x
32mm one piece on GTS)
High friction pad material
* Specifications of W427 as at
