The Sun-7 Chesterfield Series, also known as the Sun-7 Gold Medal was an Australian touring car

Touring car

A touring car, or tourer, is an open car seating five or more. Touring cars may have two or four doors. Often, the belt line is lowered in the front doors to give the car a more sportive character. They were often fitted with a folding roof and side curtains. Engines on early models were either in...

 racing series run at Amaroo Park

Amaroo Park

Amaroo Park was a motor racing circuit located in Annangrove, New South Wales, in the present-day western suburbs of Sydney, Australia. It opened in 1967, hosting its first motorcycle meeting on 26 February with a 30 lap production race won by Larry Simons on a BSA Spitfire in heavy rain. The...

 in Sydney, during the early and mid 1970s.

Initially run for Group E Series Production sedans

Group E Series Production Touring Cars

Group E Series Production Touring Cars was an Australian motor racing category for production based sedans competing with limited modifications. It was current from 1964 to 1972....

 the series switched to the new Australian Group C Touring Car

Group C (Australia)

In relation to Australian motorsport, Group C refers to either of two sets of regulations devised by the Confederation of Australian Motor Sport for use in Australian touring car racing from 1965 to 1984...

 regulations in 1973. In its later incarnation as a 3-Litre series (from 1975 onwards) it was called the Sun-7 Rothmans Series. The series was a precursor to the later AMSCAR touring car series run at Amaroo Park.

In 1971 Lakis Manticas won the Sun-7 title driving a Morris Cooper S

Mini

The Mini is a small car that was made by the British Motor Corporation and its successors from 1959 until 2000. The original is considered a British icon of the 1960s, and its space-saving front-wheel-drive layout influenced a generation of car-makers...

 with points being allocated evenly among the three capacity classes.

The tight-turning Amaroo Park circuit suited the nimble Holden Torana

Holden Torana

The Holden Torana is a car which was produced by General Motors–Holden's , the Australian subsidiary of General Motors from 1967 to 1980. The name comes from an Aboriginal word meaning "to fly". The first Torana appeared in 1967 and was a four-cylinder compact vehicle that had its origins in the...

 GTR XU-1s. Leading Sydney-based Torana drivers, such as the Holden Dealer Team's

Holden Dealer Team

The Holden Dealer Team was Holden’s semi-official racing team from 1969 until 1987, primarily contesting Australian Touring Car events but also rallying, rallycross and sports sedans during the 1970s...

 Colin Bond

Colin Bond

Colin John Bond is a retired Australian racing driver. Bond reached the highest levels in Australian motorsport in 1969 when he was recruited by Harry Firth to the newly formed Holden Dealer Team...

, Bob Morris

Bob Morris (motor racing)

Robert Morris is an Australian former racing driver. Morris was one of the leading touring car drivers during the 1970s and continued racing until 1984. Morris won Australia's premier Touring car race, the Bathurst 1000 in 1976. He also won the Australian Touring Car Championship in 1979...

, Don Holland and former Cessnock

Cessnock

Cessnock can refer to:*Cessnock, New South Wales** Electoral district of Cessnock, an electoral district in the New South Wales Legislative Assembly, based around the area** City of Cessnock, the Local Government Area...

 pastry cook Allan Grice

Allan Grice

Allan Maxwell Grice OAM , known to motor-racing fans as Gricey, is an Australian former racing driver and politician, most famous for twice winning the prestigious Bathurst 1000 , and as a privateer driver of a Holden in the Australian Touring Car Championship.Grice also had a successful second...

 were prominent in the series. John Goss

John Goss (race driver)

John Goss is the only Australian racing driver to win Australia's two most prestigious races, the Bathurst 1000 , and the Australian Grand Prix .-Early career:...

 in the McLeod Ford Falcon GT

Ford Falcon (Australia)

The Ford Falcon is a full-size car which has been manufactured by Ford Australia since 1960. Each model from the XA series of 1972 onward has been designed, developed and built in Australia and/or New Zealand, following the phasing out of the American Falcon of 1960–71 which had been re-engineered...

 and Ford stalwart Fred Gibson

Fred Gibson (motor racing)

Fred Gibson is a former Australian racing driver and race team owner.-Competitor:After a career that began in small production sports cars, first an MGA, and later the first Lotus Elan to run in Australian competition , Gibson quickly moved up into the touring car ranks...

 were regular front-runners, while Chrysler

Chrysler Australia

Chrysler Australia is the importer of Chrysler, Jeep and Dodge vehicles for sale in the Australian marketplace. However, there had previously been a "Chrysler Australia Ltd" which had operated as a vehicle manufacturer in Australia from 1951 until 1980....

 drivers Leo Geoghegan

Leo Geoghegan

Leo Geoghegan is a retired Australian racing driver.Geoghegan is the elder of two sons of New South Wales car dealer Tom Geoghegan, who went on to become two of the dominant names in Australian motor racing in the 1960s...

 and Doug Chivas

Doug Chivas

Doug Chivas was an Australian rally and racing car driver. Chivas drove the first Lotus Mark 6 in Australia in the early 1950s winning many races....

 also appeared. Colin Bond won the series three times in a row (1972-1974).

In 1975 three-litre touring car racing was being pushed by administrators of the sport and the Sun-7 Series was changed to a 3-Litre limit event, meaning the Torana SL/R 5000 and Ford Falcon GT could no longer compete in the series. In the 3-Litre era some of the main contenders included Bo Seton's

Barry Seton

Barry Seton , , is an Australian racing driver. He won the Bathurst 500 in 1965 with co-driver Midge Bosworth driving a Ford Cortina GT500. He has competed in the Bathurst 500 22 times, competing every year from 1963 to 1984, and completing the race in fifteen of those...

 Ford Capri

Ford Capri

Ford Capri was a name used by the Ford Motor Company for three different automobile models. The Ford Consul Capri coupé was produced by Ford of Britain between 1961 and 1964. The Ford Capri coupé was produced by Ford of Europe from 1969 to 1986...

, Don Holland and Allan Grice in Mazda RX-3's

Mazda RX-3

The Mazda RX-3 is an automobile sold in the 1970s. It was intended to be smaller and sportier than its brother, the RX-2/Capella Rotary. In 1972 all rotary engines had their die-cast rotor housing coated with a new process: The new Transplant Coating Process featured sprayed-on steel which is...

 and Bob Morris in a Triumph Dolomite

Triumph Dolomite

The Triumph Dolomite was a popular small saloon car produced by the Triumph Motor Company division of the British Leyland Corporation in Canley, Coventry between October 1972 and August 1980.-History:...

.