Group 3J Improved Production Cars is an Australian motor racing category for modified road cars.
Retrieved on 15 March 2012 The category is defined by

Motorsport Australia Motorsport Australia, formerly the Confederation of Australian Motor Sport (CAMS), is the nationally recognised governing and sanctioning body for four-wheeled motorsport Motorsport or motor sport are sporting events, competitions and relate ...

as being for race vehicles derived from registered production automobiles, with limited modifications to improve performance and reliability.Specification of Automobiles - Group 3J – Improved Production Cars, 2012 CAMS Manual of Motor Sport
Retrieved on 15 March 2012 Cars must be mass-produced touring cars, the model of which has been: * homologated by the FIA in

Group A Group A is a set of motorsport regulations administered by the FIA covering production derived touring cars for competition, usually in touring car racing and rallying. In contrast to the short-lived Group B and Group C, Group A vehicles wer ...

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 MA for Group 3J 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: * 0 – 1600 cc * 1600 – 2000 cc * 2000 – 3000 cc * 3000 – 6000 ccThe Official Website of the Queensland Improved Production Racing Association
Retrieved on 15 March 2012 The Improved Production Racing Association of Australia (IPRA) is recognised by MA as the sole entity representing competitors in the category. State championships are conducted in every Australian State and the

Northern Territory The Northern Territory (abbreviated as NT; known formally as the Northern Territory of Australia and informally as the Territory) is an states and territories of Australia, Australian internal territory in the central and central-northern regi ...

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.Specifications of Automobiles, Group 3J Improved Production Cars, 2001 CAMS Manual of Motor Sport, page 7-11897

Australian Improved Production Nationals

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

References

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External links

* ww.ipranationals.com www.ipranationals.com Motorsport categories in Australia