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NHRA pro stock engines are restricted to a maximum 500 cu in (8.2 L) single-camshaft, 90-degree V8. Several bodies have different rules. "Mountain Motors", run by the PDRA (eighth-mile) and at selected NHRA events in 2019, do not have a 500-cubic inch rule, with some engines exceeding 800 cu in (13.1 L), to upwards of 1,000 cu in (16.4 L).
Jenkins' Grumpy's Toy X 1975 Chevrolet Vega Pro Stock Car. William Tyler Jenkins (December 22, 1930 – March 29, 2012), nicknamed "Grumpy" or "The Grump", was an engine builder and drag racer. [1] Between 1965 and 1975, he won a total of thirteen NHRA events. [2] [clarification needed] Most of these wins were won with a four-speed manual ...
2016 - Holley HP EFI engine control unit (ECU) became standard equipment used on all cars in the NHRA's Pro Stock class, the world premier class for naturally aspirated drag cars. [29] 2018 - Holley HP EFI engine control unit (ECU) became standard equipment on the optional NT1 engine which is legal for use in NASCAR Truck Series racing.
The NHRA has strict guidelines for Funny Cars. Most of the rules relate to the engine. In short, the engines can only be V8s displacing no more than 500 cu in (8.2 L). ). The most popular design is a Donovan, loosely based on the second generation Chrysler 426 H
Pro Stock March 14, 2022 Gainesville Raceway: Erica Enders: 6.450 Pro Stock Motorcycle October 14, 2023 Texas Motorplex: Gaige Herrera 6.627 Pro Modified March 14, 2021 Gainesville Raceway: Jose Gonzalez 5.621 Top Alcohol Dragster September 6, 2020 Indianapolis Raceway Park: Megan Meyer 5.090 Top Alcohol Funny Car March 17, 2019 Gainesville Raceway
Pro Stock Motorcycles at Santa Pod. Pro Stock Motorcycle, formerly known as Pro Stock Bike, is a motorcycle drag racing class that is the two-wheeled equivalent of Pro Stock. It has been a feature of NHRA drag racing since the 1980s when it was added to the professional class structure and has since spread around the globe. The first points ...
This division has specific rules about engines, components, bodies, etc. Pro Modifieds can either be raced on 1/4 mile or 1/8 mile tracks. Usually, the NHRA races Pro Mod cars on the 1/4 mile, resulting in high 5 to low 6 second passes, while the PDRA races strictly on 1/8 mile track setups, allowing for high 3 second-to low 4 second passes.
Top Fuel was the first category, with Funny Cars added in 1966, Pro Stock four years later and Pro Stock Motorcycles in 1987. Both Top Fuel and Funny Cars regularly see top speeds in excess of 300 miles per hour (480 km/h) today, and one thousand foot times anywhere from 3.70 to 4 seconds.