Commodore Cup Series
Technical Specifications Summary

Eligible Models:

VB, VC and VH Holden Commodore Sedans (1978-84), and
VR and VS Holden Commodore Sedans (1993-97)

Bodywork:

6 point steel roll-cage
Controlled front & rear spoilers
Interior removed

Engine:

Holden 4.2 litre 7,000 rpm rev-limited
Controlled cylinder heads (Yella-Terra)
Roller rockers (Yella Terra)
Controlled camshaft (Crow Cams)
Standard crankshaft, connecting rods & push-rods
High volume, baffled sump
Holley 465 cfm 4-barrel carburettor
Output – 330-340 bhp approx.

Transmission:

Richmond Super T-10 close ratio 4-speed

Rear-end:

100% locked rear-end (spool or welded)

Suspension:

Bilstein front inserts and rear shock absorbers (Quadrant)
Height adjustable 60mm front coil springs
Adjustable top-plates
Adjustable caster bars
Choice of sway-bars (4 front, 3 rear)

Brakes:

Front: 330mm (13.5 inch) ventilated RDA rotors
Twin piston "Corvette" calipers
Cooling ducts through front air-dam

Rear: 290mm (11 inch) ventilated RDA rotors
Single piston calipers
Rear bias adjustment permitted

Tyres:

Dunlop D-01J 225/50/16 (Dunlop Motorsport)

Fuel:

Premium Unleaded

Minimum Weight:

VH: 1,325kg including driver, fuel, etc.
VS: 1,345kg including driver, fuel, etc.