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 Based on the Series Production Holden Commodore 4-door saloon with V8s control body kit. The 2008-2009 season sees some significant mechanical change to the Holdens technical specification with a revised racing weight together with a front axle racing weight, the introduction of new competition front shocks together with revised front suspension geometry, water cooling for the brakes, authorised modification of the cylinder head ports, throttle position sensors for extra data logging capabilities, a new gearbox option and additional drivers side protection. Also a new ‘control’ front undertray has been introduced. All *Control Parts* are fully controlled in respect to their specification and application and where specified must be fitted.
Racing Weight: 1440kg minimum being the complete weight of the car in ‘race trim’ (including the driver). Front axle racing weight minimum of 800kg.
Bodykit:
- V8s body kit comprising; VY front nose-clip incorporating brake cooling ducts and splitter, side skirts and rear wing / end plates / mounting pedestals.
- Optional VZ nose clip and rear wing package upgrade
- New control front undertray All body kits are *Control Parts*
Engine:
- Holden V8 – 5 litre standard production cylinder block
- Holden standard production 304 cast crankshaft or *Control Part* steel crank
- Holden standard production 304 cast (GM or X) connecting rods
- Holden standard production 304 cylinder heads
- Kelford Camtech V8s profile camshaft *Control Part*
- Yella Terra rocker assembly *Control Part*
- Harrop inlet manifold *Control Part*
- Demon carburettor (modified specifically for the V8s class) *Control Part*
- Coby exhaust headers, pipes and muffler *Control Part*
- K&N air filter *Control Part*
- V8s cold air box *Control Part*
- MSD (multi-spark) ignition system with a rev limiter *Control Part*
- Maximum compression ratio of 10.0 to 1
- Maximum rev limit of 6400 rpm
Competitors are limited to a maximum of 2 (sealed) engines for use during the season; however these 2 engines may be changed indiscriminately provided the seals remain intact. The introduction of a 3rd engine invokes a penalty.
Transmission:
- Exedy twin plate (solid or sprung centre) clutch assembly *Control Part*
- V8s flywheel *Control Part*
- Richmond / Borg Warner T10 gearbox case with Pfitzener straight-cut dog engagement gear-kit *Control Part* or
- Jerico WC4-4 complete gearbox with straight-cut gear kit.
Suspension:
- Koni V8s shock absorbers front and rear *Control Parts*
- V8s control suspension bushes, arms and mounts *Control Parts*
- Freedom to springs and of rollbars using standard mounting positions.
Brakes:
- Front - Wilwood 6 piston calipers with 330x34mm rotors and mounting hat *Control Parts*
- Rear - Wilwood 4 piston calipers with 310 x 21mm rotors and mounting hat *Control Part*
- V8s pedal box with bias bar operating twin master cylinders *Control Part*
Wheels:
- ROH Reflex 17x9 wheels. *Control Part* or
- NEW V8s Control wheel.
Tyres:
- Dunlop Formula D14 racing slick for dry conditions or
- Dunlop Formula R92 W08 treaded tyre for wet conditions
All tyres are *Control Parts* with a limitation on the number of dry tyres authorised for use at each round as follows;
- 1st Round = 8x new or used dry tyres (slick design)
- Subsequent Rounds = 6x new or used dry tyres (slick)
Note; there is no limitation on ‘wet’ tyre numbers.
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 Based on the Series Production Ford Falcon 4-door saloon with V8s control body kit. The 2008-2009 season sees some significant mechanical change to the Ford’s technical specification with a revised racing weight together with a front axle racing weight, new front hubs, water cooling for the brakes, authorised modification of the cylinder head ports, throttle position sensors for extra data logging capabilities, a new gearbox option and additional drivers side protection. Also a new ‘control’ front undertray has been introduced. All *Control Parts* are fully controlled in respect to their specification and application and where specified must be fitted.
Racing Weight: 1440kg minimum being the complete weight of the car in ‘race trim’ (including the driver). Front axle racing weight minimum of 800kg.
Bodykit:
- V8s body kit comprising; BA front nose-clip incorporating brake cooling ducts and splitter, side skirts and rear wing / end plates / mounting pedestals
- Optional side skirt upgrade
- New control front undertray. All body kits are *Control Parts*
Engine:
- Ford V8 – R302/304 motor sport cylinder block *Control Part*
- Eagle steel crankshaft (3” stroke) *Control Part*
- Eagle steel connecting rods *Control Part*
- WORLD Products Windsor Junior cylinder heads *Control Parts*
- Kelford Camtech V8s profile camshaft *Control Part*
- Yella Terra rocker assembly *Control Part*
- Edelbrock Performer Series inlet manifold *Control Part*
- Demon carburettor (modified specifically for the V8s class) *Control Part*
- Coby exhaust headers, pipes and muffler *Control Part*
- K&N air filter *Control Part*
- V8s cold air box *Control Part*
- MSD (multi-spark) ignition system with a rev limiter *Control Part*
- Maximum compression ratio of 10.0 to 1
- Maximum rev limit of 6400 rpm
Competitors are limited to a maximum of 2 (sealed) engines for use during the season; however these 2 engines may be changed indiscriminately provided the seals remain intact. The introduction of a 3rd engine invokes a penalty.
Transmission:
- Exedy twin plate (solid or sprung centre) clutch assembly *Control Part*
- V8s flywheel *Control Part*
- Brennan Racing bell housing *Control Part*
- Richmond / Borg Warner T10 gearbox case with Pfitzener straight-cut dog engagement gear-kit. *Control Part*
- Jerico WC4-4 complete gearbox with straight-cut gear kit.
Suspension:
- Koni shock absorbers front and rear *Control Parts*
- V8s control suspension bushes, arms and mounts *Control Parts*
- Freedom to springs and of rollbars using standard mounting positions.
Brakes:
- Front - Wilwood 6 piston calipers with 330x34mm rotors and mounting hat *Control Parts*
- Rear - Wilwood 4 piston calipers with 310 x 21mm rotors and mounting hat *Control Part*
- V8s pedal box with bias bar operating twin master cylinders *Control Part*
Wheels:
- ROH Reflex 17x9 wheels. *Control Part* or
- NEW V8s Control wheel.
Tyres:
- Dunlop Formula D14 racing slick for dry conditions or
- Dunlop Formula R92 W08 treaded tyre for wet conditions
All tyres are *Control Parts* with a limitation on the number of dry tyres authorised for use at each round as follows;
- 1st Round = 8x new or used dry tyres (slick design)
- Subsequent Rounds = 6x new or used dry tyres (slick)
Note; there is no limitation on ‘wet’ tyre numbers.
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