Group 3J Improved Production Cars

Group 3J Improved Production Cars is an Australian motor racing category for modified road cars.[1]

This article is about the current Australian Group 3J Improved Production Car category. For the Group C Improved Production Touring Car category of 1965 to 1972, see Group C (Australia).
Tony Wallis (Mazda 808) won the 2011 Australian Improved Production Nationals

.

The category is defined by the Confederation of Australian Motor Sport (CAMS) as being for race vehicles derived from registered production automobiles, with limited modifications to improve performance and reliability.[2] Cars must be mass-produced touring cars, the model of which has been:

  • homologated by the FIA in Group A or
  • commercially available in Australia as a new car through a manufacturer’s dealer network, with at least 200 examples having been registered for road use in Australia or
  • otherwise recognised by CAMS for Group 3J [2]

Modifications to engines, brakes and suspension are permitted and a different engine, from the same manufacturer as the body shell, may be utilised.[1] Cars may be fitted with wheel arch flares, front air dams and rear deck spoilers.[2]

Improved Production Cars compete in one of four of engine capacity classes:

  • 0 - 1600 cc
  • 1600 - 2000 cc
  • 2000 - 3000 cc
  • 3000 - 6000 cc [3]

The Improved Production Racing Association of Australia (IPRA) is recognised by CAMS as the sole entity representing competitors in the category.[2] 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.[3]

The category was formerly known as 3J Club Cars.[1] The name Group 3J Club Cars was used up to the year 2000,[4] and Group 3J Improved Production Cars from 2001.[5]

Australian Improved Production Nationals
Ray Hislop (Ford BF Falcon) at the 2011 Nationals
Adam Allan (Nissan Bluebird) at the 2011 Nationals
Year [6] Winning driver [6] Car [6] Circuit [6] State Date
1991 Terry Lewis Mazda RX-3 Winton Raceway Victoria
1992 Phil Morriss Datsun 1600 Winton Raceway Victoria
1993 Andrew Brown Mazda RX-3 Eastern Creek International Raceway New South Wales
1994 Ken Douglas Mazda RX-7 Phillip Island Grand Prix Circuit Victoria
1995 Ken Douglas Mazda RX-7 Mallala Motor Sport Park South Australia
1996 Roger Hurd Holden LX Torana Baskerville Raceway Tasmania
1997 Roger Hurd Holden LX Torana Lakeside International Raceway Queensland 30 November [7]
1998 Noel McFarlane Mazda RX-3 Eastern Creek International Raceway New South Wales 29 November [8]
1999 Andrew Brown Mazda RX-7 Phillip Island Grand Prix Circuit Victoria
2000 Roger Hurd Holden LX Torana Mallala Motor Sport Park South Australia 10 September [9]
2001 Roger Hurd Holden LX Torana Symmons Plains International Raceway Tasmania 24–25 November [10]
2002 Ken Douglas Mazda RX-7 Queensland Raceway Queensland 3 November [11]
2003 Wayne Wakefield Mazda 808 Oran Park Grand Prix Circuit New South Wales 31 August [12]
2004 Ray Hislop Ford EB Falcon GT Phillip Island Grand Prix Circuit Victoria 2 May [13]
2005 Adam Allan Datsun 1200 Mallala Motor Sport Park South Australia 13 November [14]
2006 Scott Fleming Mazda RX-7 Baskerville Raceway Tasmania 15 October [15]
2007 David Loftus Nissan Skyline R32 Morgan Park Raceway Queensland 30 September [16]
2008 Justin Keys Mazda RX-3 Oran Park Grand Prix Circuit New South Wales 9 November [17]
2009 James Atkinson Holden VX Commodore Phillip Island Grand Prix Circuit Victoria 22 November [18][19]
2010 Kevin Ledger Subaru Impreza Barbagallo Raceway Western Australia 17 October [20]
2011 Tony Wallis Mazda 808 Mallala Motor Sport Park South Australia 20 November [21]
2012 Ray Hislop Ford BF Falcon Baskerville Raceway Tasmania 11 November [22]
2013 Over 2 litre: Ray Hislop
Under 2 litre: Bob Jowett		 Ford BF Falcon
Honda Civic		 Morgan Park Raceway Queensland 29 September [23]
2014 Over 2 litre: Kevin Ledger [24]
Under 2 litre: Andrew Tendli [24]		 Subaru Impreza [24]
Honda Civic [24]		 Wakefield Park Raceway [25] New South Wales 9 November [25]
2015 Over 2 litre: Ray Hislop
Under 2 litre: James McKinnell		 Ford BF Falcon
Honda Integra		 Hidden Valley Raceway Northern Territory 12 July
2016 Over 2 litre: Ray Hislop [26]
Under 2 litre: Graeme Cox [26]		 Ford BF Falcon [26]
Honda Civic [26]		 Phillip Island [27] Victoria 26-27 November [27]
2017 Over 2 litre: Ray Hislop [28]
Under 2 litre: David Waldon [28]		 Ford BF Falcon [28]
Mazda RX-3 [28]		 Barbagallo Raceway [29] Western Australia 21-22 October [29]
2018 Over 2 litre: Ray Hislop [30]
Under 2 litre: David Waldon [31]		 Ford BF Falcon [30]
Mazda RX-3 [31]		 The Bend Motorsport Park [32] South Australia 9-11 November [32]
2019 Ray Hislop [33] Ford BF Falcon [33] Baskerville Raceway [34] Tasmania 16-17 November [34]

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

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References
  1. Improved Production Racing Association of NSW Archived 2012-12-30 at Archive.today Retrieved on 15 March 2012
  2. Specification of Automobiles - Group 3J – Improved Production Cars, 2012 CAMS Manual of Motor Sport Retrieved on 15 March 2012
  3. The Official Website of the Queensland Improved Production Racing Association Retrieved on 15 March 2012
  4. Specifications of Automobiles, Group 3J Club Cars, 2000 CAMS Manual of Motor Sport, page 7-97
  5. Specifications of Automobiles, Group 3J Improved Production Cars, 2001 CAMS Manual of Motor Sport, page 7-11897
  6. Nationals History, www.ipranationals.com, as archived at web.archive.org
  7. Natsoft Results Retrieved on 21 March 2012
  8. Natsoft Results Retrieved on 21 March 2012
  9. Natsoft Results Retrieved on 21 March 2012
  10. Natsoft Results Retrieved on 21 March 2012
  11. Natsoft Results Retrieved on 21 March 2012
  12. Natsoft Results Retrieved on 21 March 2012
  13. Natsoft Results Retrieved on 21 March 2012
  14. Natsoft Results Retrieved on 21 March 2012
  15. Natsoft Results Retrieved on 21 March 2012
  16. Natsoft Results Retrieved on 21 March 2012
  17. Natsoft Results Retrieved on 21 March 2012
  18. Natsoft Results Retrieved on 21 March 2012
  19. 2009 Latest Paul Rowe Motorsport News - Nationals Phillip Island Retrieved on 21 March 2012
  20. Natsoft Results Retrieved on 21 March 2012
  21. Natsoft Results Retrieved on 21 March 2012
  22. Results - 2012 Aust Improved Production Nationals -Final, racing.natsoft.com.au Retrieved on 30 September 2013
  23. 2013 Improved Production & Formula Vee Nationals - General Supplementary Regulations, www.fvee.org.au, as archived at web.archive.org
  24. Natsoft Results Retrieved on 21 May 2015
  25. 2014 IPRA National – Supplementary Regulations, www.ipranationals.com, as archived at web.archive.org
  26. Online Race Results, www.natsoft.com.au
  27. 2016 Improved Production Nationals Sporting Regulations, www.cams.com.au via web.archive.org
  28. 2017 IPRA Nationals, www.iprawa.net, as archived at web.archive.org
  29. 2017 Improved Production Nationals Sporting Regulations, www.cams.com.au, as archived at web.archive.org
  30. Improved Production Nationals: Over 2 Litres - Final, racing.natsoft.com.au, as archived at web.archive.org
  31. Improved Production Nationals: Under 2 Litres - Final, racing.natsoft.com.au, as archived at web.archive.org
  32. 2018 Improved Production Nationals Sporting Regulations, docs.cams.com.au, as archived at web.archive.org
  33. 2019 Improved Production Nationals Final, racing.natsoft.com.au, as archived at web.archive.org
  34. 2019 Improved Production Nationals Sporting Regulations, docs.cams.com.au, as archived at web.archive.org
  • [www.ipranationals.com www.ipranationals.com]
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