Holden Commodore

Australian tuner Walkinshaw Performance has unveiled a project with a supercharged engine as part of the opening of the Australian International Motor Show in Sydney. The showcar is based on a Holden Commodore Series II SS, fitted with the all-new WP 230 supercharger sourced from supplier, Edelbrock.

This 2011 Holden Commodore Series II SS by Walkinshaw Performance package has again Walkinshaw 6.0 liters V8 engine found in the original vehicle and concluded that the Edelbrock 230 compressor exit, take challenging 617hp and 780 Nm of torque.

The car also features uprated brakes, in the form of 378mm disc rotors up front and 365mm disc rotors on the rear. These are clamped by six-piston calipers front and rear. Other hardware changes include specially tuned Bilstein suspension, bespoke WP interior and embroidered seats, a Rockford Foscate audio system, and a body kit package including a carbon fibre rear lip spoiler.

The WP Series II comes with a six-piston brake package, a suspension package developed with Bilstein, a specially commissioned Rockford Fosgate audio system and a 1987-style body kit.

Packages, including the cost of a Holden Series II Commodore SS will begin at $ 99,990 Australian Dollars.




Press Release

Walkinshaw Performance (WP) today unveiled a totally new and integrated product – with a unique supercharged engine – to be known as the WP Series II Supercar, as part of the opening of the Australian International Motor Show in Sydney.

The showcar is based on a Holden Commodore Series II SS, fitted with the all-new WP 230 supercharger sourced from leading US auto supplier, Edelbrock.

When combined with the existing Holden V8 engine this car develops 460 kW of power and 780 Nm of torque.

“We’re celebrating the release of the WP Series II Supercar by producing just 23 examples, finished in Panorama Silver, the same colour which adorned the original ‘Walky’ when it debuted at the Sydney Motor show 23 years ago”.

The WP Series II Supercar features;

• Edelbrock E Force supercharger.
• An all new front and rear brake package; six piston 378mm rotors at front and six piston 365mm rotors at the rear.
• Upgraded and recalibrated suspension package developed with Bilstein.
• A specially commissioned audio upgrade package from Rockford Fosgate,

finished in Panorama Silver.

Packages, including the cost of a Holden Series II Commodore SS will begin at $99,990

Walkinshaw Holden Commodore Specs

SERIES 2 SUPERCAR - SPECIFICATIONS
Engine Specifications 6.0L 90-degree OHV V8. Cross flow cylinder heads. Twin knock control sensors.

On-board diagnostics. Central plenum with individual symmetrical runners
Walkinshaw Performance WP230 Supercharger
Capacity (cc) 5967
Compression ratio (:1) 10.4
Power 460kW @6000rpm (ECE, kW)
Torque 780Nm @ 3450rpm (ECE, Nm)
Figure quoted using 98 RON (PULP)
Transmission 6-speed manual transmission
Gear Ratio 1st 3.01
Gear Ratio 2nd 2.07
Gear Ratio 3rd 1.43
Gear Ratio 4th 1
Gear Ratio 5th 0.71
Gear Ratio 6th 0.57
Final Drive Ratio 3.45
Recommended petrol octane rating 98 RON PULP. Note that using 95RON (PULP) or lower will not cause any problems, but will result in
slightly less engine performance and economy.

Fuel tank capacity (L) 71
Exhaust Hi-Flow 3” CatBack exhaust with 3” Bi-Modal Mufflers
Unique WP Stepped design Steel Cat Header
Walkinshaw Quad Billet Alloy Tips Exhaust Outlets
Brakes Front - 378mm ‘S’ groove – deep annulus ventilated discs with WP 6-piston caliper
Rear - 365mm ventilated disc with WP 6-piston caliper
WP Braided Brake Line package
Suspension - Front Bilstein mono tube inverted technology. 40mm outer tube. 36mm diameter digressive rate piston. Unique valve
code. 10 independent deflection discs for bump and rebound. Separate bleed shims, check valves and support
shims. Floating dividing piston providing physical separation between gas and oil. Damping forces generated
within 1mm of deflection. Fully serviceable. Front suspension: Direct acting stabiliser bar. Coil spring.
Suspension - Rear Bilstein mono tube technology. 50mm outer tube. 46mm diameter digressive rate piston. Unique valve code.
11 independent deflection discs for bump and rebound. Separate bleed shims, check valves and support shims.
Floating dividing piston providing physical separation between gas and oil. Damping forces generated within
1mm of deflection. Fully serviceable. Rear suspension: Multi-Link Independent Rear Suspension (IRS). Coil spring.
Stabiliser bar.
Steering Variable ratio rack and pinion
Wheels 20” x 8.5” Walkinshaw Performance limited edition front alloy wheel with 245/35 R20 95Y tyre
20” x 10.0” Walkinshaw Performance limited edition rear alloy wheel with 275/30 R20 97Y tyre
Exterior Colour Panorama Silver
WP Power Scoop
Colour Coded Grille Insert
Carbon Fibre Mirror Caps
Carbon Fibre Lip Spoiler
Interior Leather wrap premium multifunction steering wheel
Touch-screen Holden-iQ System
Walkinshaw Performance Embossed Front Headrest Covers
WP 4piece floor mat set
WP Embossed centre armrest
WP door sills
Limited Edition Build Badge Numbered 1-23
Entertainment Walkinshaw Performance Rockford Fosgate Limited Edition Premium Audio Upgrade
Limited Edition WP Multi Channel Amplifier
Limited Edition WP Remote Subwoofer Control
Limited Edition WP Grille and 500 Watt Dual Voice Coil 12” Subwoofer
Limited Edition WP Custom Tuned Subwoofer Enclosure
Limited Edition WP High Performance 6” Full Range Speakers in all doors
VL SS GROUP A SV - SPECIFICATIONS
ENGINE Configuration: V8
Displacment (cc): 4987 \
Bore x Stroke (mm): 101.6 x 76.8
Compression Ratio: 8.5:1
Power (kw): 180kw (Flywheel) @5200 rpm
Torque (Nm): 380Nm (Flywheel) @ 4000 rpm
ENGINE BLOCK Reinforced cylinder block
4 bolt main bearing caps
CYLINDER HEADS High flow intake ports
Large intake & exhaust valves
Sequenced intake / exhaust valve
VALVE TRAIN Roller rocker arms
Large diameter push rods
Cast aluminium rocker covers
Large diameter valve lifters
CAMSHAFT New profile camshaft, driven by a double row timing chain
AIR INTAKE Bonnet-top air intake
Dual, progressively-linked throttle bodies
High rise intake manifold with tuned length ram tubes, as designed for Group A racing
FUEL SYSTEM Port fuel injection, Bosch injectors
High pressure electric fuel pump
IGNITION Electronic, controlled by a Delco engine management system
Anti-knock sensor
EXHAUST Extractor system, with tubular stainless steel manifold
TRANSMISSION Borg Warner BT5G 5 speed manual gearbox
Heavy duty clutch
DIFFERENTIAL Final drive ratio: 3.08:1
Limited slip diff with shot peened gears
STEERING Variable ratio rack & pinion
Variable assist power steering system
SUSPENSION Sports suspension, including Bilstein ear gas pressure shock absorbers
Bilstein front suspension strut inserts
WHEELS & TYRES 16 x 7” alloy wheels, designed by Holden
205x55 VR 16” Bridgestone RE71 tyres
BRAKES Heavy duty four wheel disc brakes, using ventilated front disc with finned alloy caliper
FUEL TANK Capacity: 83 litres
Stone shield
BODY Front air dam
Bonnet - heat extractor vent & cold air intake
Raised bonnet centre to accomodate higher engine profile
Slotted side skirts to help remove air lift pressure from below body
Revised rear deck lid, fenced by wrap around spoiler
Front & rear fender flanges have been reworked for tyre clearence
One colour Panorama silver body paint, including body colour bumper facias, door handles & side mouldings
VEHICLE IDENTIFICATION SS Group A decals
SV badging
Limited edition vehicle number on ID plate
Decal with Build number on dash (Passenger side)
LUXURY FEATURES Air conditioning
Central locking
Power windows
Cobra anti theft alarm with remote radio key
AM / FM stereo system with electronic tune radio / cassette
Four speakers
Power Antenna
Momo leather bound steering wheel
Full instrumentation
Digital clock
New sports seats designed in Australia
Tweed cloth & velour upholstery
Drivers seat height adjuster
Rear seat centre arm rest
Rear seat reading lamps
Cut pile carpet
Tinted windows
Centre console with 3 compartments & armrest
Remote electric boot release
Manual remote control exterior mirrors
Driver’s left foot rest