Group 3J Improved Production Cars


Group 3J Improved Production Cars is an Australian motor racing category for modified road cars.
The category is defined by the Confederation of Australian Motor Sport as being for race vehicles derived from registered production automobiles, with limited modifications to improve performance and reliability. Cars must be mass-produced touring cars, the model of which has been:
Modifications to engines, brakes and suspension are permitted and a different engine, from the same manufacturer as the body shell, may be utilised. Cars may be fitted with wheel arch flares, front air dams and rear deck spoilers.
Improved Production Cars compete in one of four of engine capacity classes:
The Improved Production Racing Association of Australia is recognised by CAMS as the sole entity representing competitors in the category. State championships are conducted in every Australian State and the Northern Territory and the Australian Improved Production Nationals are held annually on a state rotational basis.
The category was formerly known as 3J Club Cars. The name Group 3J Club Cars was used up to the year 2000, and Group 3J Improved Production Cars from 2001.

Australian Improved Production Nationals

YearWinning driverCarCircuitStateDate
1991Terry LewisMazda RX-3Winton RacewayVictoria
1992Phil MorrissDatsun 1600Winton RacewayVictoria
1993Andrew BrownMazda RX-3Eastern Creek International RacewayNew South Wales
1994Ken DouglasMazda RX-7Phillip Island Grand Prix CircuitVictoria
1995Ken DouglasMazda RX-7Mallala Motor Sport ParkSouth Australia
1996Roger HurdHolden LX ToranaBaskerville RacewayTasmania
1997Roger HurdHolden LX ToranaLakeside International RacewayQueensland30 November
1998Noel McFarlaneMazda RX-3Eastern Creek International RacewayNew South Wales29 November
1999Andrew BrownMazda RX-7Phillip Island Grand Prix CircuitVictoria
2000Roger HurdHolden LX ToranaMallala Motor Sport ParkSouth Australia10 September
2001Roger HurdHolden LX ToranaSymmons Plains International RacewayTasmania24–25 November
2002Ken DouglasMazda RX-7Queensland RacewayQueensland3 November
2003Wayne WakefieldMazda 808Oran Park Grand Prix CircuitNew South Wales31 August
2004Ray HislopFord EB Falcon GTPhillip Island Grand Prix CircuitVictoria2 May
2005Adam AllanDatsun 1200Mallala Motor Sport ParkSouth Australia13 November
2006Scott FlemingMazda RX-7Baskerville RacewayTasmania15 October
2007David LoftusNissan Skyline R32Morgan Park RacewayQueensland30 September
2008Justin KeysMazda RX-3Oran Park Grand Prix CircuitNew South Wales9 November
2009James AtkinsonHolden VX CommodorePhillip Island Grand Prix CircuitVictoria22 November
2010Kevin LedgerSubaru ImprezaBarbagallo RacewayWestern Australia17 October
2011Tony WallisMazda 808Mallala Motor Sport ParkSouth Australia20 November
2012Ray HislopFord BF FalconBaskerville RacewayTasmania11 November
2013Over 2 litre: Ray Hislop
Under 2 litre: Bob Jowett		Ford BF Falcon
Honda Civic		Morgan Park RacewayQueensland29 September
2014Over 2 litre: Kevin Ledger
Under 2 litre: Andrew Tendli		Subaru Impreza
Honda Civic		Wakefield Park RacewayNew South Wales9 November
2015Over 2 litre: Ray Hislop
Under 2 litre: James McKinnell		Ford BF Falcon
Honda Integra		Hidden Valley RacewayNorthern Territory12 July
2016Over 2 litre: Ray Hislop
Under 2 litre: Graeme Cox		Ford BF Falcon
Honda Civic		Phillip IslandVictoria26-27 November
2017Over 2 litre: Ray Hislop
Under 2 litre: David Waldon		Ford BF Falcon
Mazda RX-3		Barbagallo RacewayWestern Australia21-22 October
2018Over 2 litre: Ray Hislop
Under 2 litre: David Waldon		Ford BF Falcon
Mazda RX-3		The Bend Motorsport ParkSouth Australia9-11 November

Note: The title was contested as the Club Car Nationals prior to 2001.