1983 Australian Sports Car Championship

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1983 Australian Sports Car Championship
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The 1983 Australian Sports Car Championship was a CAMS sanctioned motor racing title for drivers of Group A Sports Cars.[1] The championship, which was the fifteenth Australian Sports Car Championship,[2] was contested over a five round series with two races per round.[3]

Peter Hopwood, driving the Steve Webb owned Kaditcha Chevrolet, won the championship from the Rennmax Ford of Ray Hanger. Defending series champion Chris Clearihan finished third in his older model Kaditcha Chevrolet.

The 1983 championship saw the debut of the Bap Romano owned and driven Kaditcha K583 Cosworth, the first Australian Group A Sports Car built with a closed top and Ground effects aerodynamics (Clearihan's Kaditcha also appeared with a bolted on closed top in the early rounds of the season but the top was later removed).[4] The K583 would prove to be the fastest car in the field in 1983, and would compete in Class B as the ex-McLaren Cosworth DFV V8 was a 3.0 litre engine. However, unreliability and a DQ for dangerous driving in Round 4 at Lakeside (Hopwood also received the same penalty at Lakeside) saw Romano only finish sixth in the championship.

After finishing the opening round at Sandown in 2nd place overall and showing that he had the speed to at least match the Kaditcha Chevrolet's of Hopwood and Clearihan, the expected challenge from former Formula 5000 star Johnnie Walker driving a 1969 model Elfin ME5 Chevrolet, ended after the car was sold to a NSW based enthusiast following the opening round. The car was parked and neither it nor Walker took any further part in the series.[3] Another potential challenger was the Mazda 12A rotary powered Tiga SC80 of Adelaide's Richard Warland (the car was driven in later rounds by open wheel driver John Smith). The car proved quick but unfortunately poor reliability from the Barry Jones built Mazda engine, the cars unnerving habit of shedding rear wheels, plus a big crash by Smith in the final round at Winton put paid to the cars chances.[5]

Calendar[edit]

Round Circuit State Date Format Race Winners Round winner Car
1 Sandown Park Victoria 20 February Two heats Peter Hopwood
Peter Hopwood
Peter Hopwood Kaditcha Chevrolet
2 Adelaide International Raceway South Australia 1 May Two heats Peter Hopwood
Bap Romano
Peter Hopwood Kaditcha Chevrolet
3 Oran Park New South Wales 29 May Two heats Peter Hopwood
John Smith
Peter Hopwood Kaditcha Chevrolet
4 Lakeside Queensland 23 July Two heats Chris Clearihan
Chris Clearihan
Chris Clearihan Kaditcha Chevrolet
5 Winton Victoria 19 October Two heats Bap Romano
Bap Romano
Bap Romano Kaditcha K583 Cosworth

Cars were classified into three classes based on engine displacement.[1]

  • Class A : Up to 1.6 litres
  • Class B : 1.6 to 3 litres
  • Class C : Over 3 litres

Points were allocated for outright placings gained in each race with Scale A used for drivers of Class A cars, Scale B for drivers of Class B cars and Scale C for drivers of Class C cars.[1]

Outright Position 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
Scale A 30 27 24 21 19 17 15 14 13 12 11 10 9 8 7 6 5 4 3 2
Scale B 28 26 23 20 17 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
Scale C 25 23 20 17 15 13 11 10 9 8 7 6 5 4 3 2 1 - - -

A driver's points from both races at each round were aggregated and the result divided by two to arrive at the championship points allocation for the driver at that round.

Results[edit]

Position Driver No. Car Entrant Class Rd1
Sandown
Rd2
Adelaide
Rd3
Oran Park
Rd4
Lakeside
Rd5
Winton
Total
1 Peter Hopwood 22 Kaditcha Chevrolet Steve Webb C 25 24 24 - 23 96
2 Ray Hanger 24 Rennmax Ford Ray Hanger A 20 - 21½ 25½ 22½ 89½
3 Chris Clearihan 1 Kaditcha Chevrolet Canberra Sports Car Club C 11½ 20 21½ 25 84½
4 Carl Gibson 11 Rennmax Repco Carl Gibson B 11½ 10½ - 21½ 50
5 Bernie Van Elsen 14 Bolwell Nagari Bernie Van Elsen C 17½ 13 13 - - 43½
6 Bap Romano 8 Kaditcha K583 Cosworth Kaditcha Factory Racing Team B - 14 - - 28 42
7 Robert Pitman U2 Clubman A 14 - - - 14½ 28½
8 Paul Scott 6 Kaditcha Cosworth Vega Pool Fab B - 11½ - 13 - 24½
9 Gregory Gardiner Bulant A - - 7 14½ - 21½
Johnnie Walker 83 Elfin ME5 Chevrolet Elfin Sports Cars C 21½ - - - - 21½
  • The above table lists only the top ten pointscorers.
  • Although Ray Hanger scored ½ a point more than Chris Clearihan at Lakeside, this was due to Hanger driving a Class A car. Clearihan was the round winner as he won both heats following the disqualifications to both Peter Hopwood and Bap Romano.

References[edit]

  1. ^ a b c CAMS Manual of Motor Sport, 1983, pages 91-94
  2. ^ Australian Titles Retrieved from www.camsmanual.com.au on 13 July 2009. Archived 2009-07-22.
  3. ^ a b Australian Motor Racing Yearbook, 1983/84, pages 242-253
  4. ^ Tiga Mazda - A Short Life!
  5. ^ Death of a Tiga

Further reading[edit]

  • Official Programme, Adelaide International Raceway, Sunday, 1 May 1983

External links[edit]