The 1974 USAC Championship Car season consisted of 14 races, beginning in
Ontario
Ontario ( ; ) is one of the thirteen provinces and territories of Canada.Ontario is located in the geographic eastern half of Canada, but it has historically and politically been considered to be part of Central Canada. Located in Central Ca ...
,
California
California is a U.S. state, state in the Western United States, located along the West Coast of the United States, Pacific Coast. With nearly 39.2million residents across a total area of approximately , it is the List of states and territori ...
on March 3 and concluding in
Avondale,
Arizona
Arizona ( ; nv, Hoozdo Hahoodzo ; ood, Alĭ ṣonak ) is a state in the Southwestern United States. It is the 6th largest and the 14th most populous of the 50 states. Its capital and largest city is Phoenix. Arizona is part of the Fou ...
on November 2. The
USAC National Champion was
Bobby Unser
Robert William Unser (February 20, 1934 – May 2, 2021) was an American automobile racer. At his induction into the Motorsports Hall of Fame of America in 1994, he had the fourth most IndyCar Series wins at 35 (behind his brother Al, A. J. Fo ...
and the
Indianapolis 500
The Indianapolis 500, formally known as the Indianapolis 500-Mile Race, and commonly called the Indy 500, is an annual automobile race held at Indianapolis Motor Speedway (IMS) in Speedway, Indiana, United States, an enclave suburb of Indi ...
winner was
Johnny Rutherford
John Sherman "Johnny" Rutherford III (born March 12, 1938), also known as "Lone Star JR", is an American former automobile racing driver. During an Indy Car career that spanned more than three decades, he scored 27 wins and 23 pole positions in 3 ...
. Due to the events of the
1973 Indianapolis 500
The 57th 500 Mile International Sweepstakes was held at the Indianapolis Motor Speedway in Speedway, Indiana, on Wednesday, May 30, 1973. The race was held over three days due to rain and suffered two major accidents. Three competitors - two driv ...
significant improvements were made to the cars for safety concerns.
Wings
A wing is a type of fin that produces lift while moving through air or some other fluid. Accordingly, wings have streamlined cross-sections that are subject to aerodynamic forces and act as airfoils. A wing's aerodynamic efficiency is expresse ...
were reduced in size, and
pop-off valves were added to the
turbocharger
In an internal combustion engine, a turbocharger (often called a turbo) is a forced induction device that is powered by the flow of exhaust gases. It uses this energy to compress the intake gas, forcing more air into the engine in order to pro ...
plenums in order to reduce
horsepower
Horsepower (hp) is a unit of measurement of power, or the rate at which work is done, usually in reference to the output of engines or motors. There are many different standards and types of horsepower. Two common definitions used today are the ...
and curtail speeds.
Schedule and results
All races running on Oval/Speedway.
Final points standings
Note 1: Jim Hurtubise, Skip Barber, David Hobbs, Sam Posey and Evan Noyes are not eligible for points.
Note 2: Jerry Grant did not obtain a USAC license until after the Ontario event, making him ineligible for points for the first two races of the year.
References
*
*
*
*
* http://media.indycar.com/pdf/2011/IICS_2011_Historical_Record_Book_INT6.pdf (p. 223-224)
See also
*
1974 Indianapolis 500
The 58th 500 Mile International Sweepstakes was held at the Indianapolis Motor Speedway in Speedway, Indiana on Sunday, May 26, 1974. Johnny Rutherford, in his eleventh attempt, won the race from the 25th starting position, the farthest back sinc ...
{{USAC Championship Car seasons
USAC Championship Car season
USAC Championship Car
1974 in American motorsport