Pratt Miller Engineering, formerly known as Pratt & Miller, is an American company involved in the automotive and arms industries. It was founded by Gary Pratt and Jim Miller in 1989. A defense division was added in 2013 and the company was acquired by

Oshkosh Corporation Oshkosh Corporation, formerly Oshkosh Truck, is an American industrial company that designs and builds specialty trucks, military vehicles, truck bodies, airport fire apparatus, and access equipment. The corporation also owns Pierce Manufact ...

in 2020. The company is headquartered in the unincorporated community of New Hudson, in Lyon Township, Oakland County, Michigan. They are best known as service providers for many of

General Motors General Motors Company (GM) is an American Multinational corporation, multinational Automotive industry, automotive manufacturing company headquartered in Detroit, Michigan, United States. The company is most known for owning and manufacturing f ...

' motorsports programs, including the operation of the

Corvette Racing Corvette Racing was an American auto racing team established in 1999 by General Motors and Pratt Miller for the purposes of competing in sports car racing internationally. Corvette Racing was originally the official racing program for General M ...

team and their own Pratt Miller Motorsports.

History

Pratt Miller was founded in 1989 by Gary Pratt and Jim Miller. Since 1997, their main focus has been the

program in partnership with

and

Chevrolet Chevrolet ( ) is an American automobile division of the manufacturer General Motors (GM). In North America, Chevrolet produces and sells a wide range of vehicles, from subcompact automobiles to medium-duty commercial trucks. Due to the promi ...

as well as the Pratt Miller Motorsports division. One of the company's first products was the Intrepid RM-1 GTP car, built in 1991. Since its inception, Pratt Miller has been known for its engineering services and its involvement in

motorsports Motorsport or motor sport are sporting events, competitions and related activities that primarily involve the use of automobiles, motorcycles, motorboats and powered aircraft An aircraft engine, often referred to as an aero engine, is the po ...

. The company's partnership with General Motors (GM) expands outside of the Corvette Racing program, providing engineering and operational support for many of GM's racing programs. In 2013, Pratt Miller established a new division focusing on defense and the arms industry. In 2020, the company was acquired by the

. Pratt Miller developed a road-going tuned version of the

Chevrolet Corvette C6 The Chevrolet Corvette (C6) is the sixth generation of the Corvette sports car that was produced by Chevrolet division of General Motors for the 2005 to 2013 model years. It is the first Corvette with exposed headlamps (as opposed to hidden head ...

named C6RS. The C6RS was powered by a 500 cubic inch LS-based engine developed and built by Katech Inc.

Motorsports ventures

NASCAR

Pratt Miller's work in

NASCAR The National Association for Stock Car Auto Racing, LLC (NASCAR) is an American auto racing sanctioning and operating company that is best known for stock car racing. It is considered to be one of the top ranked motorsports organizations in ...

includes engineering support for the

teams as well contributing to vehicle design and performance enhancements that have helped multiple teams. Their efforts have contributed to 276 NASCAR Cup Series race wins, 222 NASCAR Xfinity Series race wins, and 152 NASCAR Craftsman Truck Series race wins. Additionally, Pratt Miller has helped contribute to 27 combined manufacturer championships and 28 driver championships across NASCAR's top three series;

NASCAR Cup Series The NASCAR Cup Series is the top racing series of the NASCAR, National Association for Stock Car Auto Racing (NASCAR), the most prestigious stock car racing series in the United States. The series began in 1949 as the Strictly Stock Division, ...

NASCAR Xfinity Series The NASCAR Xfinity Series (NXS) is a stock car racing series organized by NASCAR. It is promoted as NASCAR's second-tier circuit to the organization's top level NASCAR Cup Series, Cup Series. NXS events are frequently held as a Undercard, support ...

, and

NASCAR Craftsman Truck Series The NASCAR Craftsman Truck Series is a pickup truck racing series owned and operated by the NASCAR, National Association for Stock Car Auto Racing (NASCAR), and is the only series in NASCAR to race production pickup truck-based stock car racing, s ...

IndyCar Series

In the

IndyCar Series The IndyCar Series, officially known as the NTT IndyCar Series for sponsorship reasons, is the highest class of American open-wheel car racing in the United States, which has been conducted under the auspices of various sanctioning bodies sinc ...

, Pratt Miller played a large role in developing Chevrolet's Aero Kits, which helped improve the aerodynamic performance of Chevrolet-powered cars. This development work has helped benefit Chevrolet's competitive presence in the series, contributing to 106 IndyCar race wins and 4 Indy 500 victories. Pratt Miller has also helped contribute to 7 driver championships and 7 manufacturer championships in IndyCar.

SportsCar racing

Pratt Miller is most commonly known for its work with

in the

IMSA SportsCar Championship The IMSA SportsCar Championship, currently known as the IMSA WeatherTech SportsCar Championship under sponsorship, is a sports car racing series based in the United States and Canada and organized by the International Motor Sports Association (I ...

and the

FIA World Endurance Championship The FIA World Endurance Championship, abbreviated as WEC, is a world championship for automobile endurance racing organized by the Automobile Club de l'Ouest (ACO) and sanctioned by the Fédération Internationale de l'Automobile (FIA). The se ...

(WEC). Corvette Racing has achieved numerous victories and championships under Pratt Miller's technical leadership, including class wins at the

24 Hours of Le Mans The 24 Hours of Le Mans () is an endurance-focused Sports car racing, sports car race held annually near the city of Le Mans, France. It is widely considered to be one of the world's most prestigious races, and is one of the races—along with ...

, the

Rolex 24 at Daytona The 24 Hours of Daytona, also known as the Rolex 24 At Daytona for sponsorship reasons, is a 24-hour sports car endurance race held annually at Daytona International Speedway in Daytona Beach, Florida. It is run on the Sports Car Course layout, ...

, and multiple

American Le Mans Series The American Le Mans Series (ALMS) was a sports car racing series based in the United States and Canada. It consisted of a series of Endurance racing (motorsport), endurance and sprint races, and was created in the spirit of the 24 Hours of Le M ...

championships. Additionally, Pratt Miller has contributed to 27 Cadillac Daytona Prototype race wins. Pratt Miller Motorsports, the motorsports division of Pratt Miller, began working independently in 2024 and currently competes in the

LMP2 A Le Mans Prototype (LMP) is a type of sports prototype race car used in various races and championships, including the 24 Hours of Le Mans, FIA World Endurance Championship, IMSA SportsCar Championship, European Le Mans Series, and Asian Le M ...

and GTD Pro classes of the

fielding the

Oreca 07 The Oreca 07 is a Le Mans Prototype built by French manufacturer Oreca to meet the 2017 FIA and ACO LMP2 regulations. It made its official race debut in the opening round of the 2017 IMSA WeatherTech SportsCar Championship, the 24 Hours of Dayt ...

and Chevrolet Corvette Z06 GT3.R. Additionally, Pratt Miller holds an FIA constructor license and builds all of the Corvette Z06 GT3.R customer cars, which is a first for GM as 20 cars will be built between 2024 and 2025 and will compete in series all over the world.

Other ventures

In recent years, Pratt Miller has expanded its capabilities as a result of its acquisition by the

. The company has expanded into both the automotive and defense sectors. Additionally, the company has invested in advanced simulation technologies, such as the Driver-in-the-Loop simulator, to enhance their engineering and testing capabilities.

Cars

* Intrepid RM-1 (GTP) *

Chevrolet Camaro The Chevrolet Camaro is a mid-size American automobile manufactured by Chevrolet, classified as a pony car. It first went on sale on September 29, 1966, for the 1967 model year and was designed to compete with the Ford Mustang. The Camaro sha ...

1995-96 (SCCA Trans-Am) *

Chevrolet Corvette C5-R The Chevrolet Corvette C5-R is a grand touring auto racing, racing car built by Pratt Miller and Chevrolet for competition in Endurance racing (motorsport), endurance racing. The car is based on the Chevrolet Corvette C5, C5 generation of the Chev ...

(GTS/GT1) *

Pontiac GTO The Pontiac GTO is a front-engine, rear-drive, two-door, and four-passenger automobile manufactured and marketed by the Pontiac (automobile), Pontiac division of General Motors over four generations from 1963 until 1974 in the United States &m ...

.Rs (Grand-Am GT) * Pontiac GXP.Rs (Grand-Am GT) * Chevrolet Camaro GT (Grand-Am GT) *

Cadillac CTS-V The Cadillac CTS is a luxury car, manufactured and marketed by General Motors from 2003 until 2019 across three generations. Initially available as a 4-door sedan using the GM Sigma platform, GM offered the second generation CTS in 4-door s ...

.R (Pirelli World Challenge GT) * Chevrolet Corvette C6.R (GT1, GT2/LM GTE) * Cadillac ATS-V.R GT3 (Pirelli World Challenge GT) *

Chevrolet Corvette C7.R The Chevrolet Corvette C7.R is a grand tourer racing car built by Pratt Miller and Chevrolet for competition in endurance racing between 2014 and 2019. It is a replacement for the Corvette C6.R racing car, using the C7 generation Chevrolet Cor ...

(IMSA GTLM and LM GTE) *

Chevrolet Corvette C8.R The Chevrolet Corvette C8.R is a grand tourer#grand tourers in racing, grand tourer racing car built by Pratt Miller and Chevrolet for competition in endurance racing (motorsport), endurance racing. It serves as the replacement for the Chevrolet C ...

(IMSA GTLM, GTD Pro and LM GTE) * Chevrolet Corvette Z06 GT3.R (IMSA GTD Pro, GTD, LM GT3 and GT World Challenge America)

References

External links

Pratt Miller

Corvette Racing
{{Webarchive, url=https://web.archive.org/web/20101224035311/http://corvetteracing.com/ , date=2010-12-24

Companies established in 1989 1989 establishments in Michigan Oshkosh Corporation Motor vehicle manufacturers based in Michigan Chevrolet Corvette American racecar constructors