The 1990 CART PPG Indy Car World Series season was the 12th national championship season of American open wheel racing sanctioned by

CART A cart or dray (Australia and New Zealand) is a vehicle designed for transport, using two wheels and normally pulled by draught animals such as horses, donkeys, mules and oxen, or even smaller animals such as goats or large dogs. A handcart ...

. The season consisted of 16 races, and one non-points exhibition event. Al Unser Jr. was the national champion, and the rookie of the year was Eddie Cheever. The 1990 Indianapolis 500 was sanctioned by USAC, but counted towards the CART points championship. Arie Luyendyk won the Indy 500, his first-ever victory in championship-level competition, and the fastest 500 until the 2013 Indianapolis 500. Al Unser Jr. won a total of six races, one pole position, and had a total of ten podium finishes en route to the championship. He finished 4th at Indy, and won his first career oval race a week later at Milwaukee. He also tied a series record by winning four consecutive races during a stretch in July–August. Unser's victory at the Michigan 500 was his first superspeedway win.

Michael Andretti Michael Mario Andretti (born October 5, 1962) is an American former racing driver, and current team owner. Statistically one of the most successful drivers in the history of American open-wheel car racing, Andretti won the 1991 CART champions ...

was Unser's nearest competitor, winning five races and four poles. Andretti narrowed Unser's points lead to 37 points with two key victories late in the season. In the second-to-last race of the season at Nazareth, Unser crashed out, giving Andretti a huge opportunity to close the gap. Andretti managed only a 6th-place finish, and could not capitalize on Unser's misfortune. Unser left Nazareth with a 27-point lead, enough to clinch the championship regardless of the results at the season finale at Laguna Seca. For 1990,

Bobby Rahal Robert Woodward Rahal ( ; born January 10, 1953) is an American racing driver and motorsports executive. As a driver, he won three championships and 24 races in the CART open-wheel series, including the 1986 Indianapolis 500. As co-owner of R ...

's team owned by Maurice Kranes merged with Rick Galles's and it became a two-car effort known as Galles-KRACO Racing. Al Unser Jr. and Rahal became teammates, and Rahal got use of the Chevy

Ilmor Ilmor is a British independent high-performance auto racing, motor racing engineering company. It was founded by Mario Illien and Paul Morgan (engineer), Paul Morgan in November 1983. With manufacturing based in Brixworth, Northamptonshire, and ...

V-8 engine for the first time. Despite the upgrade in equipment, Rahal suffered a snake bitten season in 1990, finishing second five times, including runner-up finishes at both the Indy 500 and the Michigan 500. Despite finishing in the points in 14 races, it was the first season of his Indy car career he failed to win any races, and he managed only a 4th-place ranking in the final championship standings. Other team and driver shifts for 1990 included shake-ups at

Penske Penske Corporation, Inc. () is an American diversified transportation services company based in Bloomfield Township, Oakland County, Michigan. Roger Penske is the founder and chairman of the privately held company, and Rob Kurnick is the presid ...

and Patrick.

Emerson Fittipaldi Emerson Fittipaldi (; born 12 December 1946) is a Brazilian former racing driver and motorsport executive, who competed in Formula One from to . Fittipaldi won two Formula One World Drivers' Championship titles, which he won in and with Team ...

left Patrick Racing to join the Penske, and the original Patrick Racing Team transferred ownership to

Chip Ganassi Floyd "Chip" Ganassi Jr. (born May 24, 1958) is an American businessman, former racing driver, current team owner and member of the Motorsports Hall of Fame of America. He has been involved with the North American auto racing scene for over 30 ye ...

to become

Chip Ganassi Racing Chip Ganassi Racing, LLC (CGR), also sometimes branded as Chip Ganassi Racing Teams, is an American auto racing organization competing in the NTT IndyCar Series. They have formerly competed in the NASCAR Cup and Xfinity Series, Global Rally ...

. Pat Patrick returned with a new team, taking over the

Alfa Romeo Alfa Romeo Automobiles S.p.A. () is an Italian carmaker known for its sports-oriented vehicles, strong auto racing heritage, and iconic design. Headquartered in Turin, Italy, it is a subsidiary of Stellantis Europe and one of 14 brands of mu ...

Indy car effort. This was the final year in which

March Engineering March Engineering was a Formula One constructor and manufacturer of customer racing cars from the United Kingdom. Although only moderately successful in Grand Prix competition, March racing cars enjoyed much better success in other categories ...

chassis were run.

Drivers and constructors

The following

teams A team is a group of individuals (human or non-human) working together to achieve their goal. As defined by Professor Leigh Thompson (academic), Leigh Thompson of the Kellogg School of Management, " team is a group of people who are interd ...

and drivers competed for the 1990 Indy Car World Series. All cars used Goodyear tires.

Season summary

Schedule

Two new races were added to the schedule in the form of street courses at Denver and Vancouver. Pocono was dropped from the schedule with the series citing safety concerns. - The Toronto race was supposed to run 183 miles, but was shortened by rain.
Oval/Speedway
Road/Street course
Non-championship event *Indianapolis was USAC-sanctioned but counted towards the CART title.

Race results

Final driver standings

Nations' Cup

* Top result per race counts towards Nations' Cup.

Chassis A chassis (, ; plural ''chassis'' from French châssis ) is the load-bearing framework of a manufactured object, which structurally supports the object in its construction and function. An example of a chassis is a vehicle frame, the underpart ...
Constructors' Cup

Engine An engine or motor is a machine designed to convert one or more forms of energy into mechanical energy. Available energy sources include potential energy (e.g. energy of the Earth's gravitational field as exploited in hydroelectric power ge ...
Manufacturers' Cup

References

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