Repco

Repco

Company type	Public (formerly listed)
Industry	Automotive engineering and retail
Founded	1922
Founder	Geoff Russell
Headquarters	Collingwood, Victoria , Australia
Area served	Australia and New Zealand
Products	Automotive spare parts and accessories

Repco is an Australian company specializing in automotive engineering and retail, initially established as the Automotive Grinding Company. While it originally focused on engine refurbishment and custom manufacturing, today it primarily serves as a retailer of automotive spare parts and accessories.

The firm earned recognition by creating engines that powered Brabham Formula One vehicles, contributing to Jack Brabham and Denny Hulme’s victories in the 1966 and 1967 World Championship of Drivers. During these seasons, Brabham-Repco also secured the International Cup for F1 Manufacturers.

Repco maintains a network of outlets throughout Australia and New Zealand, concentrating on supplying parts and aftermarket products.

History

Geoff Russell founded the company in 1922 under the name Automotive Grinding Company in Collingwood, Victoria. It entered the Australian Securities Exchange (ASX) in 1937. After being acquired by Pacific Dunlop in 1988, Repco was removed from the stock exchange.

In 2001, a private equity group bought Repco and relisted it as a dual-listed entity on both the ASX and New Zealand Exchange. Following its acquisition by CCMP Capital in 2006, the company was delisted once more. On 1 July 2013, Genuine Parts Company acquired Repco along with the Exego group, which included Ashdown-Ingram, Mcleod Accessories, and Motospecs.

Sponsorships

Since 2021, Repco has held the naming rights for both the Bathurst 1000 and the Supercars Championship. The company has previously sponsored teams such as Garry Rogers Motorsport and Dick Johnson Racing, as well as the 1979 Round Australia Trial. In 2024, Repco became the title sponsor for the D1NZ National Drifting Championship, a series officially sanctioned by Motorsport New Zealand under FIA regulations.

Repco V8 engine

In response to the introduction of a 2,500 cc engine limit for the Australian/New Zealand Tasman Series in 1964, Jack Brabham collaborated with Repco to design an appropriate power unit. Their single overhead cam (SOHC) engine was based on the Oldsmobile Jetfire 215 cubic inch block, featuring a flat-plane crankshaft and bespoke cylinder heads, culminating in a 2.5-litre engine by 1965.

When Formula One regulations increased engine capacity to three litres for the 1966 season, Repco adapted this design accordingly. Together with engineer Phil Irving, Brabham developed a three-litre version utilizing a longer-stroke flat-plane crankshaft and SOHC heads derived from the earlier model. This initiative received approval from Repco’s board amid uncertainties regarding competing engines like Coventry Climax’s aging four-cylinder design and prior to Ford unveiling its Cosworth DFV.

The lightweight and compact Repco 620 V8 fit existing chassis configurations seamlessly. Although it produced approximately 310 bhp—less than some rivals—it was prized for its reliability, reduced weight, and lower mechanical stress on vehicle components. Contrary to popular misconception, this engine was based on the Oldsmobile Jetfire block rather than the Buick 215 or later Rover V8 engines; it featured unique cylinder head designs and employed a six-bolt per cylinder pattern to handle high compression demands.

This pioneering engine development significantly contributed to Repco’s status in motorsport engineering and bolstered its reputation within high-performance automotive sectors.

Four consecutive world championships for the single-camshaft 16-valve engine

In 1966, the Repco engine propelled Jack Brabham's unique BT19 to achieve four straight victories, clinching both the drivers' and constructors' championships across the nine-race season—a feat unmatched in Formula One history. This triumph represented Brabham's third world title.

The 2,995.58 cc V8 Repco engine had a bore and stroke of 3.50 × 2.375" (88.9 × 60.3 mm) and initially delivered approximately . Dynamometer tests recorded output figures of at 7,800 rpm with torque peaking at 6,500 rpm; race-day power was estimated around . By 1967, power rose to roughly at 8,500 rpm, with test runs reaching near at 8,300 rpm. Although a 32-valve upgrade was planned for 1968 targeting at 9,500 rpm, it ultimately produced closer to at 9,000 rpm.

As competitors advanced in 1967, Repco launched the 700 series featuring a custom-designed engine block. Early successes included several pole positions; however, the introduction of the Ford Cosworth DFV V8 in the Lotus 49, delivering power outputs of at 9,000 rpm, shifted competitive advantage to drivers Jim Clark and Graham Hill. Despite Lotus's mechanical fragility allowing Brabham drivers to claim two victories apiece, Denis Hulme secured the drivers' championship while Brabham took home the constructors' crown.

The dual overhead camshaft 32-valve engine

The widespread use of the Ford Cosworth DFV in 1968 compelled Brabham to pursue a more potent power unit. Repco developed a new V8 featuring gear-driven double overhead camshafts and four valves per cylinder, aiming to produce at 9,500 rpm but managing only around at 9,000 rpm. The season was plagued by ongoing valve train reliability problems. Additionally, a larger 4.2-litre version was created for competition in the Indianapolis 500. Jochen Rindt achieved two pole positions and podium finishes despite joining amid these difficulties; meanwhile, Brabham himself scored just two championship points.

Project setbacks were worsened by communication lags between Australia and the UK and rising expenses without corresponding customer engine sales. As a result, Repco discontinued further development.

In 1969, both factory and private Brabham teams transitioned to Cosworth engines. Two older Brabham-Repcos appeared at the 1969 South African Grand Prix, driven by local racers Sam Tingle and Peter de Klerk, marking Repco's final participation in world championship events without scoring points.

Moreover, LDS cars equipped with Repco engines competed in South African Grands Prix and national Formula One competitions during the late 1960s.

Additional racing ventures

Repco's engagement with Australian motorsport predates its collaboration with Brabham and notably includes engine development for the Maybach Specials during the 1950s, which achieved victory at the 1954 New Zealand Grand Prix.

The Brabham-Repco partnership initially focused on the Tasman Series, where the aging Coventry-Climax FPF four-cylinder engine had dominated during the mid-1960s. Although initially no more powerful than the FPF, the 2.5-litre Repco V8 secured a Tasman Series race win when Jack Brabham piloted a Repco-powered Brabham BT23A to victory at the 1967 South Pacific Trophy held at Longford Circuit in Tasmania.

Brabham-Repco machinery also competed in the Indianapolis 500 races of 1968 and 1969, with Peter Revson finishing fifth in '69 and winning a USAC event that same year.

In Japan during 1969, Leo Geoghegan claimed victory in the inaugural Japanese Automobile Federation (JAF) Grand Prix at Fuji Speedway, driving a Lotus 39 powered by the 2.5L Repco V8. This event was contested under Formula Libre regulations that combined cars from various classes including 2.5L, Formula Two, and 1.6L vehicles.

Other variants of the V8 included a larger-displacement 4.3-litre sports car engine and a turbocharged model designed for competition within United States Automobile Club events. Neither variant achieved international acclaim; notably, the turbocharged unit earned the nickname 'Puff the Tragic Wagon' due to its underwhelming horsepower relative to "Puff, the Magic Dragon."

The expanded 5.0-litre sports car engine found domestic success by powering multiple victories in both the Australian Sports Car Championship and its predecessor series, the Australian Tourist Trophy. These wins were primarily achieved in Matich sports cars engineered and raced by Frank Matich, as well as Elfin Sports Cars constructed and campaigned by Garrie Cooper.

Repco Brabham racing cars

When Jack Brabham initiated the construction of racing vehicles in England, he designated them as Repco Brabhams, reflecting a sponsorship arrangement between Brabham and Repco. This naming convention was maintained regardless of the engine installed and persisted throughout the late 1960s. The collaboration facilitated Repco's global promotion of automotive components and service equipment, leveraging Brabham's competitive achievements.

Repco Holden

The Repco-Holden Formula 5000 engine was engineered by Repco, utilizing the Holden 308 V8 block and cylinder head castings. It incorporated over 150 custom parts, including Lucas fuel injection and a Bosch dual-coil ignition system. This power unit made its successful debut at the 1970 Australian Grand Prix, where Frank Matich secured victory driving a McLaren M10B powered by the Repco-Holden engine.

This engine saw extensive use across multiple racing competitions such as the Tasman Series, Australian Drivers' Championship, Australian Sports Car Championship, and Australian Sports Sedan Championship. By 1976, the Repco-Holden V8 with a displacement of 4940 cc delivered around 500 bhp, compared to approximately 520 bhp from the Chevrolet 4958 cc small-block V8 and about 470 bhp from the 4931 cc Repco Leyland V8.

Following this success, Holden enlisted Repco to refine its 308 engine for application in the 1974 Torana SL/R 5000, though development remained confined to dynamometer testing. Harry Firth, leader of the Holden Dealer Team, criticized this limited approach, highlighting persistent problems such as oil surge during races and asserting that earlier cautions had been disregarded.

Notable race wins and championship titles achieved with the Repco-Holden Formula 5000 engine include:

Australian Grand Prix

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

Australian Drivers' Championship

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

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

Repco Leyland

In pursuit of a lighter and more economical alternative to Holden and Chevrolet powerplants, Australian driver John McCormack collaborated in 1974 with former Repco Brabham engineer Phil Irving to develop a Formula 5000 engine based on the 4.4L alloy-block Rover V8 engine from the Leyland P76. The standard version generated approximately . Repco undertook extensive modifications and increased displacement to , resulting in an output near by 1977. Despite producing less power than the Repco Holden and Chevrolet units, its significantly lower weight—only compared to for Holden and for Chevrolet cast iron blocks—offered improved handling characteristics.

In 1976, McCormack purchased chassis M23-2 of the McLaren M23 that won the British Grand Prix in 1973 from South African driver Dave Charlton, adapting it for Formula 5000 competition. He opted for the Repco Leyland engine mainly because its weight closely matched that of the original Cosworth DFV, preserving the car’s finely tuned balance unlike heavier Holden or Chevrolet V8s.

McCormack claimed the 1977 Australian Drivers' Championship driving this Repco-Leyland powered car; however, the engine was known for fragility and was less dependable than its Chevrolet or Holden rivals.

Significant results achieved with the Repco-Leyland Formula 5000 engine include:

• 1976 Australian Drivers' Championship – Third place (one victory at Calder Park Raceway)
• 1977 Rothmans International Series – Ninth place
• 1977 Australian Drivers' Championship – Champion (one win at Surfers Paradise International Raceway)
• 1977 Australian Grand Prix at Oran Park Raceway – Retirement due to engine failure
• 1978 Australian Drivers' Championship – Runner-up (one victory at Oran Park)
• 1978 Australian Grand Prix at Sandown Raceway – Retirement due to engine failure; earned Pole Position
• 1979 Rothmans International Series – Ninth place
• 1979 Australian Grand Prix at Wanneroo Park – Retirement caused by gearbox issues

International Cup for F1 Constructors – outcomes

• 1966 Brabham-Repco – Champion
• 1967 Brabham-Repco – Champion
• 1968 Brabham-Repco – 8th place
• 1969 Brabham-Repco – Not Classified

World Drivers' Championship – standings

Year	Team	Competitor	Grand Prix Count	Championship Position
1966	Brabham-Repco	Jack Brabham	9	Champion
	Brabham-Repco	Denny Hulme	7	4th Place
1967	Brabham-Repco	Denny Hulme	11	Champion
	Brabham-Repco	Jack Brabham	11	Runner-up
	Brabham-Repco	Guy Ligier	5
1968	Brabham-Repco	Jochen Rindt	12	12th Place
	Brabham-Repco	Jack Brabham	11	23rd Place
	Brabham-Repco	Silvio Moser	4	23rd Place
	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

Full Formula One World Championship results

(Template:F1 driver results legend 2#key) (bold indicates pole position) (italics denote fastest lap)

_| Caltex Racing Team _ _| BT24 _ _| Repco 740 V8 _ _| Dunlop _ _| Kurt Ahrens Jr. _ _| Team Gunston _ _| LDS Mk3 _ _| Repco 620 V8 _ _| Firestone _ _| Sam Tingle _ _| Retired _ _| Sam Tingle _ _| 8th place _ _| Jack Holme _ _| BT20 _ _| Repco 620 V8 _ _| Goodyear _ _| Peter de Klerk _ _| Not Classified _

Year	Entrant Name	Chassis Model(s)	Engine Type	Tyre Supplier	Drivers	1st Race	2nd Race	3rd Race	4th Race	5th Race	6th Race	7th Race	8th Race	9th Race	10th Race	11th Race	12th Race	Points Scored	WCC
Template:F1	Brabham Racing Organisation	Brabham BT19 Brabham BT20	Repco 620 V8 (3.0L)	Template:Goodyear		1966 Monaco Grand Prix	1966 Belgian Grand Prix	1966 French Grand Prix	1966 British Grand Prix	1966 Dutch Grand Prix	1966 German Grand Prix	1966 Italian Grand Prix	1966 United States Grand Prix	1966 Mexican Grand Prix				42 (49)	1st
					Template:Country data AUSTemplate:Namespace detect showall Jack Brabham	Retired	4th	Winner	Winner	Winner	Winner	Retired	Retired	2nd
					Template:Country data NZLTemplate:Namespace detect showall Denny Hulme			3rd	2nd	Retired	Retired	3rd	Retired	3rd
Template:F1	Brabham Racing Organisation	BT19 BT20 BT24	Repco 620 & 740 V8 (3.0L)	Template:Goodyear		1967 South African GP	1967 Monaco GP	1967 Dutch GP	1967 Belgian GP	1967 French GP	1967 British GP	1967 German GP	1967 Canadian GP	1967 Italian GP	1967 United States GP	1967 Mexican GP		63 (67)	1st
					Template:Country data AUSTemplate:Namespace detect showall Jack Brabham	6th	Retired	2nd	Retired	Winner	4th	2nd	Winner	2nd	5th	2nd
					Template:Country data NZLTemplate:Namespace detect showall Denny Hulme	4th	Winner	3rd	Retired	2nd	2nd	Winner	2nd	Retired	3rd	3rd
	_align=left_ Guy Ligier	_BT20_	_Repco 620 V8_	_Template:Firestone_	_Template:Flagicon\FRA Guy Ligier_						_10th_	_8th_		_Retired_	_Retired_	_11th_
Template:F1\1968	_rowspan=4_ Brabham Racing Organisation_	_rowspan=4_ BT24 BT26_	_rowspan=4_ Repco 740 & 860 V8 (3.0L)_	_rowspan=4_ Goodyear_		_South African GP_	_Spanish GP_	_Monaco GP_	_Belgian GP_	_Dutch GP_	_French GP_	_British GP_	_German GP_	_Italian GP_	_Canadian GP_	_United States GP_	_Mexican GP_	_rowspan=8_ 10	_rowspan=8_ 8th
	_Template:Flagicon\AUS Jack Brabham_	_Retired_	_Did Not Start_	_Retired_	_Retired_	_Retired_	_Retired_	_Retired_	_5th_	_Retired_	_Retired_	_Retired_	_10th_
	_Template:Flagicon\AUT Jochen Rindt_	_3rd_	_Retired_	_Retired_	_Retired_	_Retired_	Retired	Retired _	3rd _	Retired _	Retired _	Retired _	Retired _
	Dan Gurney _				_Retired _
	Team Gunston _	BT20 _	Repco 620 V8 _	Firestone _	John Love _	9th _
	Scuderia Scribante _	BT11 _	Repco 620 V8 _	Firestone _	Dave Charlton _	Retired _
	Charles Vögele Racing _	BT20 _	Repco 620 V8 _	Goodyear _	Silvio Moser _		_Did Not Qualify_	_5th_	_Not Classified_ _Did Not Start_ _Did Not Qualify_
							_12th_
										_ 0_ _ Not Classified_
rowspan=3 Template:F1\1969 _| rowspan=2 Team Gunston _ _| rowspan=2 BT24 _ _| rowspan=2 Repco 620 V8 _ _| rowspan=2 Firestone _	_| South African GP _ _| Spanish GP _ _| Monaco GP _ _| Dutch GP _ _| French GP _ _| British GP _ _| German GP _ _| Italian GP _ _| Canadian GP _ _| United States GP _ _| Mexican GP _	_rowspan=3_ 0 _rowspan=3_ Not Classified

External links

• Repco New Zealand