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Repco
Repco
is an Australian automotive engineering/retailer company. Its name is an abbreviation of Replacement Parts Company and it is best known for spare parts and motor accessories. The company gained fame for developing the engines that powered the Brabham
Brabham
Formula One
Formula One
cars in which Jack Brabham
Brabham
and Denny Hulme
Denny Hulme
won the 1966 and 1967 World Championship of Drivers
World Championship of Drivers
titles respectively. Brabham- Repco
Repco
was awarded the International Cup for F1 Manufacturers in the same two years.[1] Repco
Repco
currently runs a series of stores across Australia
Australia
and New Zealand specialising in the sale of parts and aftermarket accessories. The company was founded by Robert Geoffrey (Geoff) Russell in 1922 and first traded under the name Automotive Grinding Company, from premises in Collingwood, Victoria. It currently has over 2,000 employees in almost 400 stores. Repco
Repco
was a publicly traded company being first listed on the Australian Stock Exchange
Australian Stock Exchange
in 1937, before being acquired by Pacific Dunlop in 1988. It was again listed in 2003; however, following acquisition of all shares by CCMP Capital
CCMP Capital
Asia, Repco
Repco
has been delisted from the Australian Stock Exchange. From 1 July 2013, Repco and the entire Exego group (consisting of Ashdown-Ingram, Mcleod Accessories and Motospecs) were all acquired by GPC Asia Pacific. As at the end of 2013 Repco
Repco
Australia
Australia
has 295 Stores, and Repco
Repco
New Zealand has 81 Repco
Repco
Stores and an additional 10 Appco (Automotive Trade Only) Stores.

Contents

1 Repco
Repco
V8 engine 2 Four world titles for the single-camshaft 16-valve 3 No success for the double-camshaft 32-valve 4 Other racing 5 Repco
Repco
Brabham
Brabham
racing cars 6 Repco- Holden
Holden
Formula 5000
Formula 5000
engine 7 International Cup for F1 Manufacturers – results 8 World Championship of Drivers
World Championship of Drivers
– results 9 References 10 External links

Repco
Repco
V8 engine[edit] In 1964 the Australian/ New Zealand
New Zealand
Tasman Series
Tasman Series
was created with a 2500cc capacity limit applied to engines. Jack Brabham
Brabham
approached Repco
Repco
to develop a suitable engine, and together they decided to base the SOHC
SOHC
design on Oldsmobile
Oldsmobile
Jetfire 215 ci block with six cylinder-head studs per cylinder. Combined with a short stroke flat-plane crankshaft, Repco
Repco
designed cylinder heads, camshafts and two-stage chain/gear cam drive, a 2.5L engine was built in 1965 with its cylinder head cast by Commonwealth Aircraft. In 1963 the international motor racing body, the FIA, announced that the maximum engine capacity for the Formula One
Formula One
category would be doubled to three litres to start from the 1966 season. Despite calls for a "return to power" having been made, few teams were prepared as the main engine supplier in the UK, Coventry Climax, decided to get out of race engine building.[2] Jack Brabham
Brabham
exploited his existing relationship with Australian automotive components manufacturer Repco. He proposed they design and build a 3L version of the 2.5L engine by using a longer stroke flat-plane crankshaft. The Repco
Repco
board agreed to his proposal in light of the expected rival 2.75 L Coventry Climax
Coventry Climax
'FPF' DOHC
DOHC
engine being of four-cylinder configuration deemed to be near-obsolete, and the plan to build the Cosworth DFV
Cosworth DFV
(revealed at the end of 1965 by Ford, its sponsor) was not known yet. A small team under the leading motorcycle engine designer, Phil Irving, developed the F1 engine, fitted with two valves per cylinder SOHC
SOHC
heads from the 2.5L version. The first advantage of this Repco
Repco
620 V8 was its compact size and lightness, which allowed it to be bolted into an existing 1.5-litre Formula One
Formula One
chassis. With no more than 310 bhp (231 kW), the Repco
Repco
was by far the least powerful of the new 3-litre engines, but unlike the others it was frugal, light and compact.[3] Also unlike the others, it was reliable and due to low weight and power, the strain on chassis, suspension, brakes, and tyres was low. This engine being based on British/American Rover V8
Rover V8
/ Buick
Buick
215 block[4] is a common misconception, as the Rover/ Buick
Buick
V8 (although quite similar in appearance and size) had five cylinder-head studs per cylinder (14 studs per head with six shared studs in-between-cylinders) configuration that cannot accommodate the six stud (18 studs per head with six shared studs between cylinders) Repco RB620 heads. The difference in block design originated in Oldsmobile's intention to produce the higher power, turbo-charged Jetfire version. GM's later use of parts diagrams drawn for Oldsmobile
Oldsmobile
in Buick
Buick
parts catalog showing a six-stud cylinder block further fueled the confusion.[citation needed] Four world titles for the single-camshaft 16-valve[edit] In 1966, the Repco
Repco
engine was good enough to score three poles for Jack Brabham. In his one-off BT19, it helped him get four consecutive wins and both titles in the nine-races long season, a unique accomplishment for a driver and constructor. This was his third title. The 2,995.58 cc V8 Repco
Repco
had a bore and stroke of 3.50 x 2.375" (88.9 x 60.3 mm). Initially it gave about 285 bhp (213 kW; 289 PS). A test bed figure of 315 bhp (235 kW; 319 PS) at 7,800 rpm with 230 lb⋅ft (310 N⋅m) torque at 6,500 rpm was obtained. In race trim, about 299 bhp (223 kW; 303 PS) was available. In 1967, the bore and stroke remained unaltered. In that year, 330 bhp (246 kW; 335 PS) bhp at 8,500 rpm was often quoted. A test-bed figure of 327 bhp (244 kW; 332 PS) at 8,300 rpm was recorded. For 1968, a 32-valve version with 400 bhp (298 kW; 406 PS) at 9,500 rpm was planned. Only about 380 bhp (283 kW; 385 PS) at 9,000 rpm was achieved. In 1967 the competition had made progress. Repco
Repco
produced a new version of the engine, the 700 series, this time with a Repco
Repco
designed block. Brabham
Brabham
scored two poles early in the year, but then the new Ford
Ford
Cosworth DFV
Cosworth DFV
V8 appeared in the Lotus 49, setting a new pace with its 410 hp (310 kW) at 9,000 rpm, with Jim Clark and Graham Hill taking all poles in the rest of the season. As the Lotus was still fragile, the Brabham
Brabham
pilots scored two wins each. Brabham
Brabham
used new parts on his cars, which was not always helpful, so Denis Hulme collected more results and the title, followed by Brabham
Brabham
himself, who again won the constructors' title. No success for the double-camshaft 32-valve[edit] The new Ford
Ford
engine, which was made available to other teams in 1968 also, convinced Brabham
Brabham
that more power was needed. With hindsight Brabham
Brabham
commented that the single cam motor's reliability may have been enough to supplant the more powerful Cosworths as late as the 1968 season. A new version of the Repco
Repco
V8, with gear driven double overhead camshafts and four valves per cylinder, was produced for 1968 to maintain its competitiveness. A figure of 400 bhp (298 kW; 406 PS) at 9,500 rpm was targeted but only about 380 bhp (283 kW; 385 PS) at 9,000 rpm was achieved. The season was a disaster as it proved very unreliable due to unsurmountable valve gear unreliability. There was also a 4.2-litre derivative for the Indy 500. Jochen Rindt, who had moved to Brabham
Brabham
at the wrong time, managed to score two poles and two podiums that year, while Brabham
Brabham
himself collected only two points. The Repco
Repco
project had always been hindered by the lengthy lines of communication between the UK and Australia, which made correcting problems very difficult. Repco, having spent far more money than originally envisaged and having sold very few customer versions of its engine, stopped the project. For 1969 the works Brabham
Brabham
team and most of the private Brabham entries also used the ubiquitous Cosworth powerplant. A pair of older Brabham-Repcos were entered in the season opening 1969 South African Grand Prix by local drivers Sam Tingle and Peter de Klerk, but no points were scored on the engine marque's last appearance in the world championship. Also, LDS fitted with Repcos were used in the South African Grand Prix in the late 1960s, as well as in the national F1 series there. Other racing[edit]

Repco
Repco
Brabham
Brabham
760 series 5-litre quad cam V8 engine in the Matich
Matich
SR4 sports car

Repco
Repco
had been involved in Australian motor racing many years prior to the association with Brabham. Most famous had been development of the engine of the series of Maybach Specials in the 1950s to various wins including the 1954 New Zealand
New Zealand
Grand Prix. The Brabham- Repco
Repco
project was initially aimed at the Tasman Series, where Coventry-Climax's obsolete FPF four-cylinder engine was dominant in the mid-1960s. The 2.5-litre version of the Repco
Repco
V8 was never very successful in this series, initially producing no more power than the FPF. It did however record one Tasman Series
Tasman Series
round win with Jack Brabham
Brabham
driving his Repco
Repco
powered Brabham
Brabham
BT23A to victory in the 1967 South Pacific Trophy at the Longford road circuit in Tasmania. Brabham-Repco's were also prepared and entered in the 1968 and 1969 Indianapolis 500. In 1969, Peter Revson
Peter Revson
finished fifth in such a car. He also won a USAC race in the same year. Further versions of the V8 engine were produced, including a 4.3-litre variant for sports car racing and a turbo-charged version intended for United States Automobile Club
United States Automobile Club
races. Neither version met with any international success, the turbo in particular being labelled 'Puff the Tragic Wagon' by its development team due to its lack of horsepower (compare with Puff the Magic Dragon). The sports car engine (increased in size to 5.0 litres) was however dominant domestically, powering cars to several wins in the Australian Sports Car Championship and its predecessor the Australian Tourist Trophy, most notably powering the Matich
Matich
sports cars built and raced by Frank Matich, and Elfin Sports Cars
Elfin Sports Cars
built and raced by Garrie Cooper.

Repco
Repco
Brabham
Brabham
racing cars[edit]

Repco
Repco
Brabham
Brabham
badge on the nose of a Repco
Repco
Brabham
Brabham
BT6 racing car

When Jack Brabham
Brabham
began building racing cars in England he named his cars Repco
Repco
Brabhams,[5] the result of a sponsorship deal between Brabham
Brabham
and Repco.[6] This name was applied regardless of the engine used,[7] and the arrangement existed through to the end of the 1960s.[8] The agreement saw Repco's international marketing of its automotive parts and service equipment supported by Brabham's racing achievements.[7]

Repco- Holden
Holden
Formula 5000
Formula 5000
engine[edit] Repco
Repco
also developed and built the Repco- Holden
Holden
Formula 5000
Formula 5000
engine for Formula 5000
Formula 5000
racing. Repco
Repco
used the block and head castings of the Holden
Holden
308 V8 engine as its basis,[9] but it featured many modifications including Lucas fuel injection, dual-coil Bosch ignition and more than 150 special components designed by Repco.[10] The engine first tasted success in the 1970 Australian Grand Prix
1970 Australian Grand Prix
that was won by Frank Matich
Matich
driving a Repco- Holden
Holden
powered McLaren
McLaren
M10B. The engine was then used extensively in racing vehicles including cars competing in the Tasman Series, the Australian Drivers' Championship, the Australian Sports Car Championship
Australian Sports Car Championship
and the Australian Sports Sedan and GT Championships. By 1976, power for the 5.0 L Repco- Holden
Holden
V8 was rated at approximately 500 bhp (373 kW; 507 PS). This compared to approximately 520 bhp (388 kW; 527 PS) for the other main engine in F5000, sports sedans and GT cars, the 5.0 L Chevrolet V8. Due to the success of the Repco- Holden
Holden
V8, Holden
Holden
enlisted Repco
Repco
to carry out the development work (on the dyno only, according to Holden Dealer Team boss Harry Firth) on Holden's 308 engine for its Holden Torana SL/R 5000 that was released in 1974. Firth believed that developing the engine on the dyno and not on the race track saw continual problems for the engine such as oil surge - especially in touring car racing. He also claimed to have already cured the oil problems while developing the still-born Holden
Holden
LJ Torana GTR XU-1 V8 in 1972 and that Holden
Holden
ignored his warnings about the Repco
Repco
engine. The list of Repco-Holden's Formula 5000
Formula 5000
engine race, championship and series wins includes: Australian Grand Prix

1970 - Frank Matich, McLaren
McLaren
M10B 1971 - Frank Matich, Matich
Matich
A50 1976 - John Goss, Matich
Matich
A53

Australian Drivers' Championship

1972 - Frank Matich, Matich
Matich
A50 1973 - John McCormack, Elfin MR5 1975 - John McCormack, Elfin MR6

New Zealand
New Zealand
Grand Prix

1973 - John McCormack, Elfin MR5 1974 - John McCormack, Elfin MR5

Australian Sports Car Championship

1975 - Garrie Cooper, Elfin MS7

Australian Sports Sedan Championship

1980 - Tony Edmondson, Alfa Romeo Alfetta GTV

Australian Tourist Trophy

1976 - Stuart Kostera, Elfin MS7

Toby Lee Series

1974 - John McCormack, Chrysler Charger

International Cup for F1 Manufacturers – results[edit]

1966 Brabham- Repco
Repco
– 1st 1967 Brabham- Repco
Repco
– 1st 1968 Brabham- Repco
Repco
– 8th 1969 Brabham- Repco
Repco
– NC

World Championship of Drivers
World Championship of Drivers
– results[edit]

Year Team Driver # of GPs WC

1966 Brabham-Repco Jack Brabham 9 World Champion

Brabham-Repco Denny Hulme 7 4th

1967 Brabham-Repco Denny Hulme 11 World Champion

Brabham-Repco Jack Brabham 11 2nd

Brabham-Repco Guy Ligier 5

1968 Brabham-Repco Jochen Rindt 12 12th

Brabham-Repco Jack Brabham 11 23rd

Brabham-Repco Silvio Moser 4 23rd

Brabham-Repco Dan Gurney 1

Brabham-Repco Dave Charlton 1

Brabham-Repco John Love 1

Brabham-Repco Kurt Ahrens, Jr. 1

LDS-Repco Sam Tingle 1

1969 Brabham-Repco Peter de Klerk 1

Brabham-Repco Sam Tingle 1

References[edit]

^ 1974 FIA
FIA
Yearbook, Grey section, pages 120–121 ^ Setright, L.J.K. "Lotus: The Golden Mean", in Northey, Tom, ed. World of Automobiles (London: Orbis, 1974), Volume 11, p. 1232. ^ Fearnley, Paul (May 2006) "The powerhouse that Jack built" Motorsport p. 36 ^ Pinder, Simon (1995) Mr Repco
Repco
Brabham
Brabham
Frank Hallam pp. 20–23 Pinder Publications ^ Pedr Davis, The Macquarie Dictionary of Motoring, 1986, page 401-402 ^ Alan Henry, Brabham
Brabham
- The Grand Prix Cars, 1985, page 53 ^ a b Graham Howard, Made in Australia
Australia
- The Repco
Repco
Brabham
Brabham
V8s, Australian Motor Racing Year 1983/84, page 34 ^ David Hodges, A-Z of Formula Racing Cars, 1990, page 32 ^ Repco
Repco
advertisement, "Guide to the Gold Star, Supplement to Racing Car News, August 1972, page xvi ^ 1970 Tasman Series
Tasman Series
Archived 7 October 2009 at the Wayback Machine. Retrieved from www.sergent.com.au on 13 September 2009

External links[edit]

http://www.repco.com.au/ http://www.repco.co.nz/

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