What Is a Grudge Car

Are you a car enthusiast looking for the ultimate thrill on the track? If so, a grudge car may be exactly what you need. Grudge cars are specially built race cars designed to boost performance and show off your skills on the racetrack. They are typically custom-built machines with high-performance engines and chassis upgrades that can take your racing game to the next level.

But what makes a grudge car different from other race vehicles? What components should you consider when building or modifying one? And how do you make sure your machine is ready for the track?

In this article, we’ll explore what makes a grudge car unique, how to build one, and how to get it ready for the track. We’ll also answer some common questions about grudge cars and provide tips to help you get the most out of yours. So if you’re ready to take your racing game up a notch, let’s dive in!

A grudge car is a vehicle that is used in an organized drag racing event to race against another car, with each driver trying to outrun their opponent.

A Grudge Car Defined

A grudge car is a vehicle that has been specifically designed, built and prepared for use in drag racing. It is usually highly modified and has a wide range of modifications to boost performance, including light weighting, engine tuning and aerodynamic modifications. The goal of the modifications is to maximize the power-to-weight ratio of the vehicle, allowing it to accelerate faster and reach higher speeds.

The term ‘grudge car’ comes from the fact that these vehicles are built with the intention of competing against other similarly modified cars on a drag strip. This type of competition often pits one driver or team against another in a head-to-head battle for bragging rights. The winner of each race is determined by how quickly they can accelerate down the track.

The most common modifications made to grudge cars include:

  • Weight Reduction: Lightening up the vehicle can help improve acceleration and top speed.
  • Engine Tuning: Making changes to an engine’s intake and exhaust systems can significantly boost horsepower.
  • Aerodynamic Modifications: Making changes to the car’s body or frame can help reduce drag and increase top speed.

In addition to these modifications, many grudge cars also feature specialized suspensions and tires designed for maximum traction on the track. These modifications are all aimed at improving performance on the track in order to gain an edge over competitors.

Drift Cars

Drift cars are a popular type of grudge car, built for high speed drifting. They usually feature a powerful engine, wide tires, stiff suspension, and an adjustable aerodynamic setup. Drifting requires the driver to utilize precise control and technique to keep the car in a controlled slide. The most popular drift cars include Subaru WRXs, Nissan 240SXs, Toyota Supras and Mazda RX-7s.

Drag Cars

Drag cars are built for speed and acceleration, and they’re designed to go from 0-60 mph as quickly as possible. Drag cars typically feature lightweight bodies, powerful engines with forced induction systems such as turbochargers or superchargers, sticky tires for maximum traction on the track surface, and specialized chassis setups for optimal weight distribution. Popular drag cars include Chevrolet Camaros, Ford Mustangs and Dodge Challengers.

Time Attack Cars

Time attack cars are designed to be fast around a track in the shortest amount of time possible. They typically have aerodynamically optimized bodywork, lightweight components wherever possible, powerful engines with forced induction systems such as turbochargers or superchargers to maximize power output potential and sticky tires for maximum grip on the track surface. Popular time attack cars include Honda Civics, Subaru Imprezas and Mitsubishi Lancers.

Gymkhana Cars

Gymkhana cars are purpose-built vehicles designed specifically to take on tight turns and perform stunts while still maintaining balance and control. They typically feature lightweight body panels with reinforced frames for maximum agility and maneuverability; powerful engines tuned for low-end torque; wide tires; adjustable suspension systems; an adjustable aerodynamic setup; and quick-shifting gearboxes for rapid gear changes during stunts or tight turns.

Parts Needed for a Grudge Car

When it comes to building a grudge car, it’s important to make sure you have the right parts. A well-built grudge car will be reliable, durable, and powerful. Here is a list of essential components that you’ll need to build your dream grudge car:

Engine: The most important part of any grudge car is the engine. You’ll want to choose an engine that can handle the power and torque that you need for your racing needs. There are many different types of engines available, so do your research and find the one that best suits your needs.

Chassis: The chassis is what holds your engine together and supports the other components of your car. You’ll want to choose a chassis that is lightweight yet strong enough to stand up to the rigors of racing. Steel or aluminum are good options for this.

Suspension: The suspension system keeps your car stable during high-speed cornering and helps keep it on the road. A good suspension system will provide plenty of grip while still allowing for some flexibility in handling.

Brakes: Brakes are an essential part of any grudge car. You’ll want to choose brakes that are strong enough to slow down the vehicle quickly, but also reliable enough not to fail during a race.

Wheels and Tires: Wheels and tires play an important role in how a car handles. You’ll need wheels that can provide plenty of grip in corners, as well as tires with good traction for acceleration and braking.

Interior Components: Interior components such as seats, steering wheel, shifter knobs, gauges, etc., all help make driving more comfortable and convenient. Make sure you choose components with quality construction that will last.
Performance Benefits of a Grudge Car

A grudge car is a vehicle designed and built specifically for drag racing. These cars are designed to be light, fast, and powerful, and they can provide a great deal of performance benefits to the driver. Many drag racers prefer grudge cars due to their ability to deliver top-notch performance in an affordable package. Here are some of the benefits that a grudge car can offer:

  • Lightweight Design: Grudge cars are typically much lighter than traditional vehicles. This allows them to accelerate faster and reduces the amount of time spent in the quarter mile. Additionally, it allows them to reach higher top speeds.
  • High Horsepower Output: Grudge cars are typically powered by high-performance engines that can produce significantly more horsepower than stock engines. This allows them to reach higher speeds in shorter times, which is essential for drag racing.
  • Improved Handling: Grudge cars often have improved suspension systems and higher quality tires designed specifically for drag racing. This allows them to corner and brake better, resulting in improved lap times.
  • Increased Reliability: Due to their specialized construction, grudge cars tend to be more reliable than regular vehicles. They are built with top-notch components that are designed to withstand extreme conditions and last longer.

Grudge cars also offer other advantages, such as improved aerodynamics and better fuel efficiency. However, these benefits may come at a cost as these cars require significant maintenance and upgrades over time. Additionally, they may require specialized parts or components that can be expensive. Nevertheless, if you’re looking for top-notch performance from your vehicle, a grudge car may be the perfect choice for you.

Pros of Owning a Grudge Car

Grudge cars are exciting vehicles that are made to deliver the thrilling performance of a race car while still being street-legal. Owning one of these cars can bring out a lot of joy and excitement in your day-to-day life. Here are some of the benefits of owning a grudge car:

  • Increased Performance: Grudge cars are designed to go faster than regular street cars and provide drivers with an adrenaline rush. The improved performance capabilities mean that you’ll be able to get from point A to point B much faster than if you had a standard car.
  • Unique Style: Grudge cars have an unmistakable style. The unique look will make you stand out from the crowd, and you’ll be sure to turn heads wherever you go.
  • Low Maintenance: Unlike many other performance vehicles, grudge cars require very little maintenance or upkeep. This means that you won’t have to spend as much time and money ensuring that your car is running properly.

Cons of Owning a Grudge Car

While there are many benefits to owning a grudge car, there are also some drawbacks that should be taken into consideration. Here are some potential cons when it comes to owning this type of vehicle:

  • Costly Upgrades:If you want your grudge car to perform at its best, it may require costly upgrades and modifications. This can be expensive and time consuming, so it’s important to consider if this is something that you can afford.
  • Insurance Costs: Grudge cars tend to cost more when it comes to insurance premiums due to their increased performance capabilities. This means that you may end up paying more for coverage than if you had a regular car.

  • Safety Concerns : Grudge cars aren’t always as safe as regular vehicles due to their higher speeds and greater risk for accidents. This means that if something goes wrong, the consequences could be severe.

Engine Upgrades

Grudge cars require engine upgrades to increase their power and performance. Popular upgrades include replacing or upgrading the camshaft, pistons, connecting rods, and valves. Additionally, many grudge car owners also opt for high-performance intake and exhaust systems to increase air flow and fuel delivery. These modifications allow the engine to produce more horsepower and torque, resulting in improved acceleration and overall performance.

Suspension Upgrades

The suspension of a grudge car should be upgraded to improve the vehicle’s handling characteristics. Common suspension upgrades include installing stiffer springs, shocks, and struts. Additionally, many grudge car owners install aftermarket sway bars to reduce body roll during cornering. To further enhance handling characteristics, some grudge car owners opt for adjustable suspension components such as adjustable coilovers or camber kits.

Brakes Upgrades

Upgrading the brakes of a grudge car is essential to ensure that it can stop quickly on the track. Popular brake upgrades include larger rotors with high-performance pads capable of generating more friction. Additionally, many grudge car owners install stainless steel brake lines which provide better brake pedal feel and greater consistency during hard braking.

Drivetrain Upgrades

In order to take full advantage of the increased power output from engine modifications on a grudge car, drivetrain upgrades are necessary. Common drivetrain upgrades include installing higher-quality axles and limited slip differentials which can handle the increased torque from modified engines. Additionally, some grudge car owners choose to upgrade their transmission with stronger clutch components such as flywheels or pressure plates.

Drag Racing

Drag racing is a form of motor racing in which cars or motorcycles compete, usually two at a time, to be first to cross a set finish line. The race cars have specially prepared engines and are driven on a prepared strip. Grudge cars are designed with heavy modifications for maximum speed and power. They usually have special tires, suspension systems and exhaust systems to get the most out of the engine and chassis. Drag racing is great for getting quick times and testing the performance of grudge cars.

Circle Track

Circle track racing is a type of racing that involves several cars competing on an oval-shaped track. The cars will use their speed and maneuverability to outrun their competitors and take the lead. Grudge cars are built with powerful engines, modified suspensions, bigger brakes and better aerodynamics to help them stay ahead of the competition. It’s a great way to test your car’s performance against other drivers.


Autocross is a form of motorsport where drivers navigate one at a time through a defined course on either sealed or unsealed surfaces in the shortest time possible. Autocross courses are typically short, 1/4 mile or less in length, but can be up to 1 mile long. Grudge cars usually have stiffer suspensions, improved aerodynamics and more powerful engines than regular production vehicles. Autocross is great for getting quick times on tight courses without having to worry about other competitors.

Rally Racing

Rally racing is one of the most popular forms of motorsport today; it involves driving on various unpaved surfaces such as dirt roads, mud tracks or snow-covered roads while trying to beat other competitors in terms of speed or accuracy. Grudge cars used in rally races are typically powerful four wheel drive machines with modified suspensions, upgraded brakes and improved aerodynamics that enable them to handle tight corners more effectively than regular production vehicles. Rally racing is an exciting way to test your car’s performance in different conditions.


Drifting is a driving technique where the driver intentionally oversteers while maintaining control of their vehicle throughout the drift. It’s become one of the most popular forms of motorsport due its entertaining nature; it involves sliding around tight corners with smoke billowing from underneath your tires! Grudge cars used for drifting usually have increased power output from their engines along with upgraded suspension systems for better balance during drifts. Drifting can be great fun but it’s also very challenging as you need to be able to control your vehicle while pushing it hard around corners!


Grudge cars are a way to inject some excitement and competition into the drag racing world. They don’t require any fancy modifications or expensive upgrades, just two drivers willing to put their pride on the line for a little friendly competition and a chance to win bragging rights.

Grudge cars can be raced on any surface, from a local street drag strip to an international race track. They are also great for learning how to set up a car for maximum performance, as well as honing driving skills and strategies. With the right combination of parts, setup, and driver skill, any car can become a Grudge car.

Whether you are looking for an inexpensive way to race or just want to have some fun with friends on the weekend, Grudge racing can provide hours of entertainment. So grab your gear, pick an opponent, and get ready to prove your worth in a Grudge race!

About the author

William Getty lives and breathes cars. He started driving cars as a 12 year old on the racetrack with his dad. Since then cars has always been a big part of Williams life.

In his garage you can find his beloved 2005 Ford Mustang, as well as a 2020 Audi A3.