Holden Special Vehicles (HSV) W427 Concept, 2008
Holden Special Vehicles unveiled at the 2008 Melbourne Motor Show, the last instalment of the company s 20th anniversary celebrations.
A new six piston front braking system will provide a 50% increase in pad area, while the Holden W427 also receives a revised ESP calibration, six air bags, improved handling and new Magnetic Ride Control settings.
The Holden W427 receives a bimodal active exhaust system to improve noise quality and back pressure management.
Styling and design highlights 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.
Specifications
* Exterior
o All new Front Fascia exclusive to W427
o All new three piece rear spoiler in carbon fibre
o All new 20 inch wheel
* Interior
o HSV performance seats in full red hot trim with W427 logo, steering wheel, gear shifter and console lid in full red hot leather
* Powertrain
o 7.0 Litre, LS7 Engine with HSV specific calibration
+ 370kW @ 6500 rpm
+ 640Nm @ 5000 rpm
o Over radiator style cold air induction system with high flow air filter
o Dry sump lubrication system with 2 stage pump
o Hand fabricated aluminium oil reservoir, with internal baffles for high G loading
o Front mount, 13 row engine oil cooler
o Ceramic coated, high flow four into one extractors
o High flow catalytic converters and exhaust system (3 into 2 ¾ )
o Active bi-modal rear mufflers for exhaust back pressure management to improve noise quality
o High strength limited slip differential
o New high strength six speed manual gear box (TR6060)
o GMPT LS7 Clutch with new actuator and pedal assembly for high clamp loads
* Suspension
o New springs, 30% stiffer than GTS
o Revised ride height 20mm lower than GTS
o New stiffer rear suspension bushing
o All new MRC calibration
* Brakes
o New 6 piston front braking system (50% increase in pad area)
o Strap drive, 2 piece floating front rotors (380 x 35mm compared to 365 x 32mm one piece on GTS)
o High friction pad material
A new six piston front braking system will provide a 50% increase in pad area, while the Holden W427 also receives a revised ESP calibration, six air bags, improved handling and new Magnetic Ride Control settings.
The Holden W427 receives a bimodal active exhaust system to improve noise quality and back pressure management.
Styling and design highlights 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.
Specifications
* Exterior
o All new Front Fascia exclusive to W427
o All new three piece rear spoiler in carbon fibre
o All new 20 inch wheel
* Interior
o HSV performance seats in full red hot trim with W427 logo, steering wheel, gear shifter and console lid in full red hot leather
* Powertrain
o 7.0 Litre, LS7 Engine with HSV specific calibration
+ 370kW @ 6500 rpm
+ 640Nm @ 5000 rpm
o Over radiator style cold air induction system with high flow air filter
o Dry sump lubrication system with 2 stage pump
o Hand fabricated aluminium oil reservoir, with internal baffles for high G loading
o Front mount, 13 row engine oil cooler
o Ceramic coated, high flow four into one extractors
o High flow catalytic converters and exhaust system (3 into 2 ¾ )
o Active bi-modal rear mufflers for exhaust back pressure management to improve noise quality
o High strength limited slip differential
o New high strength six speed manual gear box (TR6060)
o GMPT LS7 Clutch with new actuator and pedal assembly for high clamp loads
* Suspension
o New springs, 30% stiffer than GTS
o Revised ride height 20mm lower than GTS
o New stiffer rear suspension bushing
o All new MRC calibration
* Brakes
o New 6 piston front braking system (50% increase in pad area)
o Strap drive, 2 piece floating front rotors (380 x 35mm compared to 365 x 32mm one piece on GTS)
o High friction pad material
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