Stock FAQs

what year nhra pro stock started

by Prof. Irving Halvorson Published 3 years ago Updated 2 years ago
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1970

How much horsepower does a Pro Stock NHRA car have?

1,300 horsepowerPro Stock engines use electronic fuel injection and spec gasoline and are restricted to a maximum of 500 cubic inches. They can make in excess of 1,300 horsepower. A competitive Pro Stock car can run in the 6.5s at more than 210 mph.

What is the difference between Pro Mod and Pro Stock?

The body of a Pro Modified car is somewhat similar to a Pro Stock race car, yet also radically different at the same time. Whereas Pro Stock cars retain street identification, Pro Modified cars' bodies are just that: modified.

What is NHRA Factory Stock?

The Constant Aviation NHRA Factory Stock Showdown is a stand-alone program designed to showcase the Chevrolet COPO Camaro, Dodge Challenger Drag Pak, and the Ford Mustang Cobra Jet. The FSS cars will participate in heads-up competition at eight (8) National Events.

When did Pro Stock go fuel injection?

Jan. 1, 2016On Jan. 1, 2016, NHRA required all Pro Stock teams to equip their cars with electronically-controlled throttle body fuel injection systems, making engines more relevant from a technology standpoint.

How much does a gallon of nitromethane cost?

about $16 US per gallon… Nitromethane used to power the engines of NHRA Top Fuel dragsters and Funny Cars costs about $16 US per gallon!

What is the fastest quarter-mile Top Fuel?

The fastest speed on record is 338.17 mph (Top Fuel) at 1,000 feet. A Top Alcohol Dragster can travel as fast as 285 mph in the quarter-mile.

How much is a factory stock car?

This division is a beginner class that takes cars from the street and makes them into race cars. Factory Stocks can range anywhere between $3,000-$10,000 depending on the type of chassis (car frame) and engine.

Is gatornationals 2022 Cancelled?

March 12, 2022. Gatornationals got in the first day of racing after being canceled Thursday and Friday due to rain. Top Alcohol Dragsters speed down the track during the 53rd Annual NHRA Gatornationals, at the Gainesville Raceway, in Gainesville Fla.

What are the different classes of drag racing?

The Major Drag Racing ClassesFIA Top Fuel. The most identifiable of all the dragsters, the top fuelers are the quickest and have the fastest acceleration of all the racers in the world. ... FIA Top Methanol. ... FIA Top Methanol Funny Car. ... FIA Pro Stock. ... FIA Pro Modified. ... Funny Car. ... Competition Eliminator. ... Super Comp.More items...•

What engine is in a Pro Stock car?

500-cid DRCEShrouded in secrecy, Chevrolet's Pro Stock Drag Race Competition Engine (DRCE) evolved the big-block Chevy into a 1,400-hp, 10,000-rpm, naturally aspirated motorsport weapon one race weekend at a time.

What engines are used in NHRA Pro Stock?

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. ... The Australian National Drag Racing Association and IHRA have a 400 cu in (6.6 L) maximum displacement engine limit.

Are there any Fords in NHRA Pro Stock?

In 2018, there were two. Fords were non-existent. Having a Chevrolet-dominated entry list is nothing new for NHRA; even as far back as the 1980 NHRA U.S. Nationals, 23 of the 36 cars entered in Pro Stock were Bowties.

What engine did the Pro Stocks use?

The rules dictated that all Pro Stock cars be ’68 or later North American-built production vehicles and be equipped with a gasoline-burning V-8 engine as originally produced by the manufacturer. There was also a seven-pound per cubic inch weight break and a 2,700-pound minimum weight.

What carburetor did Pro Stock use?

1970: For more than 40 years, a Pro Stock engine was fed by a pair of four-barrel carburetors, typically a Holley Dominator design. Pro Stock teams spent a large portion of their research and development budget on carburetor development.

What was the most prominent modification to the 1970 Pro Stock?

The most prominent alteration was the addition of a hood scoop to cover the carburetors and intake and provide fresh air into the engine.

What was the traction bar on a 1970 Camaro?

1970: Jenkins’ ’70 Camaro was equipped with a simple set of Lakewood traction (slapper) bars that helped prevent the rotation of the rear end housing and thus improved traction. Mopar Pro Stock cars favored a pinion-snubber setup. The cars were required to use a stock front suspension.

What engine did Jim Jenkins use in the 1970s?

The engine that Jenkins used to win the Pomona season opener featured a 512 casting 427-cid Chevy block, aluminum cylinder heads, an aluminum Weiand tunnel-ram intake manifold, and a pair of 750cfm Holley carburetors. It likely produced in the neighborhood of 600-650 hp measured at the flywheel.

What suspension do Pro Stock cars use?

The cars were required to use a stock front suspension. 2020: Although some teams have experimented with alternative designs, including three-link and torque-arm suspensions, the four-link has been the design of choice for Pro Stock since the early 1970s.

Do Pro Stock cars have upholstery?

By rule, early Pro Stock cars were also required to have fully upholstered door panels. 2020: Relatively speaking, a modern Pro Stock interior is barren compared to their 1970s counterparts. The passenger seat long ago disappeared along with the factory dashboard and upholstery.

What is the body used in NHRA Pro Stock?

Body. NHRA Pro Stock racers use NHRA approved carbon fiber bodies. Windows are manufactured from polycarbonate. Some have complained that the "Stock" portion of "Pro Stock" is not really all that accurate anymore, because so little, if any, of the race cars' bodies having their origins in the respective manufacturers' factories.

Who is the most successful driver in the NHRA Pro Stock?

NHRA Pro Stock Champions (1970–present) The most successful winning driver in Pro Stock is 10 times champion Bob Glidden. The driver with the most wins in a single season is three-time champion Darrell Alderman, who won all but three events en route to his 1991 championship.

What transmission is used in NHRA?

Although the five-speed unit (usually air-shifted) is still used in ADRL and Mountain Motor Pro Stock Association and in Air-Shifted three-speed units in Pro Modified, NHRA Pro Stocks utilize a Liberty or G-Force five-speed clutchless manual transmission.

What type of suspension is used in Pro Stock cars?

Pro Stock cars are required to use automotive-type suspension systems. Since the 1970s, front suspensions have utilized MacPherson struts with control arms; for rear suspensions, the design of choice is a four-link suspension with coil over shock absorbers connected to a fixed rear axle.

What is a pro stock car?

The class is often described as "all motor", due to the cars not using any form of forced induction such as turbocharging or supercharging, or other enhancements, like nitrous oxide, along with regulations governing the modifications allowed to the engines and the types of bodies used.

When did the Pro Stock class start?

The National Hot Rod Association Pro Stock class emerged from the production-based Super Stock in 1970 with a more liberal set of rules and an absence of handicaps. Rules initially favored big block V8s with Chrysler Hemi engine powered cars winning the World title the first two years. The NHRA attempted to balance the playing field for 1972 ...

Who was the first driver to win an IHRA title?

Lee Shepherd won the second of four championships in a row in 1983, the year he also won IHRA's title, making him the first driver ever to do so; he repeated the feat in 1984. In 2016, the NHRA implemented a major overhaul to the engine formula.

When did the Pro Stock class start?

Pro Stock cars have come a long way since their debut at the 1970 Winternationals. Here's a look at the very first Pro Stock rules, as printed in the 1970 NHRA Rulebook. The history of the Pro Stock class is being celebrated by NHRA in 2020 with a 50 Years of Pro Stock salute.

What was the wheelbase of the 1970 Winternationals?

Reserved for American built cars with American automobile engines with a wheelbase of 97 inches or more.

What is the NHRA?

NHRA is all about diversity. With more than 20 categories of competition, including Top Fuel, Funny Car, Pro Stock and Pro Stock Motorcycle at the professional level, and a multicultural array of high-octane personalities it calls world champions, NHRA thrives on unique competitors accomplishing unique achievements.

How fast is the NHRA?

While Top Fuel dragsters routinely cover the race distance at more than 320 mph, NHRA is moving just as fast in popularity with auto racing fans.

When did the Nationals start?

In 1955, NHRA staged its first national event, called simply "the Nationals" in Great Bend, Kan. Six years later, as the Nationals hopscotched around the country to showcase the growing sport before settling in Indianapolis in 1961, the Winternationals became NHRA's second event. Incredible success and growth.

Where did drag racing start?

Drag racing's fast start. One could even argue that drag racing was born in Goltry, O kla., in 1913, with the birth of Wally Parks, who nearly four decades later would found drag racing's most successful and influential sanctioning body. Parks' family moved to California in the early 1920s, and Parks had an early interest in cars.

Who was the founder of the Road Runners Club?

In 1937, Parks was one of the founders of the Road Runners Club. In 1947, Parks , a military tank test-driver for General Motors who served in the army in the South Pacific in World War II, helped organize the Southern California Timing Association and later became its general manager.

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Overview

History

The National Hot Rod Association pro stock class emerged from the production-based super stock in 1970 with a more liberal set of rules and an absence of handicaps. Rules initially favored big block V8s with Chrysler Hemi engine powered cars winning the world title the first two years. The NHRA attempted to balance the playing field for 1972 and introduced rules allowing for small displacement V8, compact cars carrying favorable weight.

Pro stock today

• Except in the NHRA 500 ci formula (starting in 2018), the engine must be manufactured by the same company as the car body.
• All raw components must be available to anyone for general public purchase. Engine blocks and cylinder heads are often provided in a "raw" condition with only approximate dimensions and rough machining. Each team will continue to machine and modify the part …

NHRA pro stock champions (1970–present)

• 1970 - Ronnie Sox
• 1971 - Mike Fons
• 1972 - Bill Jenkins
• 1973 - Wayne Gapp
• 1974 - Bob Glidden

See also

• Pro Stock Bike

External links

• Anatomy of a Pro stock
• NHRA homepage

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