Skip to main content
search
0
Category

Blog Posts

In Blog Posts

Your Guide To Choosing Ford C4 Performance Racing Transmission

When upgrading your vehicle’s performance, one critical component to consider is the transmission. Ford’s C4 transmission, originally produced from 1964 to 1981, has been a longstanding favorite among car enthusiasts and racers due to its lightweight, reliable, and versatile design.

This guide will focus on the Ford C4 Performance Racing Transmissions. We’ll also highlight the specifications of the Ford C4 Performance Racing Transmission to help you make an informed decision.

Why Opt For C4 Ford Transmissions?

Our Ford C4 Performance Racing Transmissions, designed with exceptional quality, durability, and performance in mind, offer a compelling choice for those seeking maximum performance from their vehicles. Whether you intend to use it for street driving or high-performance racing applications, these transmissions are engineered to handle the demands you throw at them.

One key advantage of our C4 transmissions is their ability to handle up to 450 horsepower, making them a perfect fit for enthusiasts looking to push the limits of their vehicles. Moreover, their straightforward design and high-quality components make them easy to maintain, ensuring your investment lasts for years.

Available in both two-wheel and four-wheel drive configurations, our C4 Ford Transmissions can be tailored to suit your specific vehicle and application needs. Our expert custom builders are at your service, ensuring that your transmission is built to your exact specifications.

Upgrade Your Vehicle’s Performance with Our C4 Ford Transmissions

Our C4 Ford Transmissions offer a versatile solution to elevate your vehicle’s performance to the next level. Our experienced custom builders will collaborate with you to guarantee that your transmission aligns with your unique requirements and specifications. Rest assured that our transmissions are engineered for exceptional quality and durability, promising reliable performance over the long haul.

Now that you are familiar with the significance of transmission systems, let’s focus on the Ford C4 Level 4 transmission and torque converter.

Here are some of the specifications you should focus on before you move forward:

Ford C4 – Level 4 Transmission and Torque Converter

The Ford C4 – Level 4 Transmission is a true powerhouse, engineered to deliver exceptional performance and easily handle the demands of high-performance racing. With a focus on power and durability, this transmission is designed to take your vehicle’s performance to the next level.

Let’s focus on the key specifications and features that make this Level 4 transmission stand out.

  • Horsepower and Torque

One of the standout features of the Level 4 transmission is its ability to handle substantial horsepower. With a capacity of up to 450 horsepower, this transmission is built for those who demand raw power from their vehicles. The custom-built and custom-stalled torque converter, rated at 10, ensures that the transmission can efficiently transfer power to the wheels, providing the torque needed for acceleration and performance.

  • Versatile Stall Range

The Level 4 transmission offers a versatile stall range of 1800-4000 RPM (Revolutions Per Minute). This range allows for flexibility in different driving conditions and racing scenarios. Whether you need quick acceleration off the line or sustained high-speed performance, the stall range can be fine-tuned to match your requirements.

Key Features

The C4 transmission has an array of key features that contribute to its exceptional performance and durability. These features include:

Master Overhaul Kit: A comprehensive kit that ensures all components are in optimal condition.

Raybestos Stage I Frictions: High-quality friction materials that enhance clutch engagement and durability.

Hardened Steel Plates: Reinforced plates that withstand high torque loads.

Full Billet Performance 2nd Gear Servo Piston Assembly: A precision component for improved shifting performance.

Custom Manufactured Valve Body with Shift Command: Allows full control over manual upshifts and downshifts at any MPH, giving you the power to dictate your vehicle’s performance.

High Flow Filter: Enhances fluid flow and cooling for better transmission health.

High Rev Governor Assembly: Ensures precise engine management.

Lokar Universal Shifter Linkage: Provides a smooth and accurate shifting experience.

Carbon Fiber Heavy Duty Intermediate Band: Adds strength and durability to critical components.

Kevlar Reinforced Low Reverse Band: Enhances the longevity of the transmission.

Adjustable Modulator: Allows for fine-tuning of shift points and performance.

Complete Bushing Kit: Ensures all bushings are in optimal condition.

Thrust Washer Kit: This is the key to reducing friction and wear.

New One-way Roller Clutch and Hardened Race: Enhances performance and durability.

Updated Low Reverse Servo Apply Piston: It improves shifting precision.

Heavy Duty Extra Capacity Aluminum Pan with Drain Plug: It enhances cooling and ease of maintenance.

Hardened Input Shaft: A high-strength input shaft to handle the demands of high-performance applications.

High Capacity Billet Steel Forward Clutch Drum: It increases the strength of critical components.

6 Pinion Hardened Steel Front and Rear Planetary Gear Set It ensures robust power transfer.

High-capacity third-gear clutch drum: It adds durability to the transmission.

High-capacity pump assembly with hardened gears. It improves fluid flow and overall transmission health.

Heat Treatment and Stress Relief: All internal components undergo these processes for longevity and reliability.

The Ford C4 – Level 4 Transmission is a testament to precision engineering and performance excellence. Whether you’re on the track or seeking maximum power on the street, this transmission is designed to deliver. Its impressive horsepower capacity, versatile stall range, and advanced features make it the choice of champions in high-performance racing.

The Gearstar Commitment

At Gearstar, our commitment to quality and customer satisfaction is unwavering. We offer the best industry warranty, providing our customers peace of mind. When you reach out to us for support, you can rest assured that you’ll receive prompt and knowledgeable assistance from our experienced transmission professionals.

To ensure the highest level of quality control, each transmission is meticulously crafted by one of our five master technicians from start to finish. Before leaving our facility, every transmission undergoes rigorous dyno testing equivalent to 100 miles of real-world use, guaranteeing flawless operation.

In conclusion, Ford C4 Performance Racing Transmissions are the epitome of versatility and reliability in automotive transmissions. With multiple levels to choose from and a range of adaptable features, these transmissions are suited for various applications, from street driving to high-performance racing.

Gearstar’s commitment to quality and customer satisfaction makes them a trusted choice for enthusiasts seeking to elevate their vehicle’s performance to new heights.

Conclusion

In conclusion, upgrading your vehicle’s performance with a Ford C4 Performance Racing Transmission can significantly enhance its capabilities, whether you’re using it for street driving or high-performance racing. With different transmission levels, you can tailor your selection to match your specific horsepower and torque requirements.

The Bottom Line

Gearstar’s commitment to quality, durability, and expert craftsmanship ensures that your investment will deliver reliable performance for years.

Contact us today to explore your options and elevate your vehicle’s performance to new heights.

In Blog Posts

A Comprehensive Guide To Identifying and Repairing a Bad Torque Converter

Most of us are familiar with the torque converter, a critical component within your vehicle’s transmission system responsible for transferring power from the engine to the transmission.

However, when a torque converter malfunctions, it can lead to issues requiring immediate attention. To address these concerns effectively, it’s essential to recognize the symptoms of a faulty torque converter, diagnose the problem accurately, and undertake the necessary repairs.

In this comprehensive guide, we’ll explore the symptoms, diagnosis, and repair solutions for a bad torque converter:

Understanding the Torque Converter

Before focusing on the symptoms and solutions, let’s briefly understand the torque converter’s role in your vehicle’s transmission system.

The torque converter serves as a hydraulic coupling that facilitates power transfer from the engine to the transmission. Its intricate hydraulic design, involving automatic transmission fluid, makes it a vital alternative to the mechanical clutch found in manual transmissions. A properly functioning torque converter multiplies torque at lower RPMs, delivering enhanced power and efficiency.

Signs of a Faulty Torque Converter

Identifying the symptoms associated with a malfunctioning torque converter is the first step toward resolving the issue. These symptoms can help you pinpoint problems early, preventing further damage.

  • Illuminated Check Engine Light

Modern vehicles are equipped with a transmission control module (TCM) that continuously monitors the torque converter’s operation and control circuitry. When the TCM detects abnormalities, it triggers the Check Engine Light and stores diagnostic trouble codes (DTCs) in its memory. Some vehicles may also activate a dedicated transmission warning light in response to torque converter issues.

  • Irregular Shifting and Gear Slippage

Smooth gear transitions are a hallmark of automatic transmissions. However, if you experience erratic shifting, difficulty staying in a particular gear, or a sensation of slipping between gears, it could be indicative of a torque converter problem. This symptom often becomes apparent during acceleration or deceleration.

  • Shuddering and Vibrations

Shuddering, characterized by vibrations, is a common issue associated with torque converters. In older vehicles, this may occur during highway driving at speeds around 40 to 50 miles per hour, coinciding with torque converter clutch lockup. In modern vehicles, the shuddering may manifest differently due to gradual torque converter engagement.

  • Decreased Acceleration and Power

A noticeable decrease in vehicle responsiveness, sluggish acceleration, or increased difficulty in maintaining speed can be indicative of torque converter issues. When the torque converter fails to transmit power efficiently, its performance diminishes.

  • Overheating Transmission

Modern vehicles feature sensitive temperature gauges that detect transmission overheating. An overheating warning can indicate torque converter failure or other internal transmission problems that demand immediate attention.

  • Unusual Noises

Sudden whining or unusual noises originating from the torque converter suggest a problem with the internal pump or fluid supply. Noises while the transmission is in Drive or Reverse, (but not in Park or Neutral) are early warning signs of torque converter issues.

Diagnosing a Faulty Torque Converter

While diagnosing torque converter issues may initially seem complex; you can take preliminary steps to identify potential problems on your own. However, professional assistance is essential for a definitive diagnosis.

Here’s a structured approach to diagnosing the issue:

Diagnosing a potential issue with your vehicle’s torque converter requires a structured approach to ensure accuracy. Here’s a detailed explanation of the steps involved in this diagnostic process:

  • Warm-Up and Observation

Begin by starting your vehicle and allowing the engine to run for several minutes. This step is crucial because it ensures that the engine reaches its operating temperature. An engine at the correct temperature provides a more accurate representation of the torque converter’s performance. During this warm-up period, pay attention to any unusual noises or behaviors that may already be apparent. These early indicators can offer valuable clues about the condition of the torque converter.

  • Gas Pedal Engagement

With the engine adequately warmed up, proceed to the next step. Apply light pressure to the gas pedal, which engages the torque converter. This action initiates the transmission of power from the engine to the torque converter and subsequently to the transmission. As you engage the gas pedal, note how the vehicle responds. Listen for any unusual sounds, vibrations, or delays in power delivery. These observations can provide valuable insights into the torque converter’s functionality.

  • Gear Shifting and Test Drive

While keeping your foot on the brake, move through each gear position slowly. Shifting through the gears allows you to assess the torque converter’s response to gear changes. Pay close attention to the smoothness of the gear transitions and whether they occur without hesitation or slipping. If you detect an unusual dip in engine RPM or slippage, it could indicate torque converter issues.

  • Road Test

The final step involves taking your vehicle for a brief test drive. During this road test, focus on acceleration and gear changes. Listen attentively for any unusual sounds emanating from the transmission area. Feel for vibrations or shuddering sensations, especially during acceleration or when the torque converter lockup occurs. Additionally, assess whether the vehicle’s response to acceleration is consistent and smooth.

By following this structured diagnostic approach, you can effectively evaluate the torque converter’s performance and identify potential issues. While these steps offer valuable initial insights, it’s important to remember that a Professional torque converter specialist should perform a thorough assessment to confirm and address any problems detected during the diagnostic process.

Their expertise and specialized equipment are essential for accurate diagnosis and effective repair or replacement of the torque converter, ensuring the continued reliability of your vehicle’s transmission system.

These steps serve as an initial assessment to distinguish between a functioning and malfunctioning torque converter.

Repairing a Faulty Torque Converter

Once you’ve identified a bad torque converter, swift action is crucial to prevent further transmission damage. Repairing or replacing the torque converter is a cost-effective solution compared to potential repairs of additional transmission components affected by prolonged torque converter issues.

Here’s how to proceed:

  • Consult a torque converter specialist

Take your vehicle to a reputable auto mechanic shop and share your suspicions regarding the torque converter with the technician. Providing this information expedites the diagnostic process.

  • Professional Evaluation

Allow the torque converter specialist to conduct a thorough assessment. They will determine the extent of damage and recommend the appropriate course of action.

Conclusion

Understanding the symptoms, diagnosis, and repair options for a bad torque converter is essential for maintaining your vehicle’s performance and transmission health. The symptoms outlined in this guide serve as valuable warning signs. If you encounter any of these symptoms while driving, promptly seek the services of a certified torque converter specialist.

The Bottom Line

The cost of addressing torque converter issues should not deter you, considering the potential damage they can inflict on your transmission if left unattended. Remain vigilant for these signs during every drive, and take immediate action when you observe any torque converter-related problems.

Proactive attention to torque converter issues ensures the continued reliability and longevity of your vehicle’s transmission system.

To know more about identifying or replacing torque converters, you should rely on our team of experts.

In Blog Posts, Transmission & Drivetrain

The Fundamentals Of Transmission Slipping: Causes, Signs, and Prevention

Your vehicle’s transmission is vital for converting power from the engine into motion, allowing your car to move smoothly. Whether you’re driving a vehicle with a manual or automatic transmission, having a comprehensive understanding of transmission slipping is essential to ensure your vehicle’s longevity and safety.

In this in-depth guide, we’ll delve into what transmission slipping is, explore its various causes, identify the signs to watch out for and discuss preventive measures to help you avoid this troublesome issue.

Transmission Slipping: An Introduction

To begin, let’s demystify the concept of transmission slipping. This phenomenon occurs when your vehicle shifts gears without aligning with its current speed. Not only can this be disconcerting, but it can also signify a need for immediate maintenance. Ignoring the early signs of transmission slipping may lead to extensive and costly repairs, making it crucial to address the issue promptly.

Transmission slipping is a perplexing issue that demands clarification to appreciate its significance fully. Essentially, this phenomenon transpires when your vehicle’s transmission system shifts gears that don’t synchronize with its present speed. In simpler terms, it feels like your car is momentarily disconnected from the engine’s power, causing an unsettling experience for drivers.

Potential Threats Of Transmission Slipping

What makes transmission slipping particularly concerning is not merely the discomfort it imparts to your driving experience but the potential for severe consequences that it carries. Transmission slipping can evolve from a minor inconvenience to a significant automotive nightmare, necessitating extensive and costly repairs when left unattended.

The urgency of addressing transmission slipping must be balanced. Ignoring the initial signs and symptoms may lead to further deterioration of the transmission system, potentially causing irreparable damage. Such negligence can translate into substantial repair bills, disrupted daily routines, and, most importantly, compromised safety on the road.

Transmission slipping serves as an early warning system for your vehicle, alerting you to underlying issues within the transmission. By promptly acknowledging and addressing these signs, you preserve your vehicle’s longevity and performance and ensure your safety and the safety of others on the road.

Thus, it is imperative to demystify this concept and take action at the first hint of transmission slipping, preventing a minor concern from escalating into a significant automotive headache.

What Leads to Transmission Slipping?

Understanding the causes behind transmission slipping is the first step in tackling this issue effectively. Several factors can contribute to this problem:

  • Solenoid Problems

Solenoids control the flow of transmission fluid, and any issues with them can lead to irregular gear shifting.

  • Worn Transmission Bands

Transmission bands play a crucial role in controlling gear changes. When these bands become damaged or worn, they can contribute to slipping.

  • Burned, Low, or Worn-Out Transmission Fluid

Proper transmission function relies on a clean and adequate supply of transmission fluid. Burnt, low, or worn-out fluid can affect gear shifts and cause slipping.

  • Clutch Problems

Clutch issues can lead to slipping. A malfunctioning or damaged clutch assembly can disrupt gear engagement.

  • Torque Converter Issues

The torque converter transmits power from the engine to the transmission. Any problems with this component can result in slipping.

Recognizing the Signs of Transmission Slipping

Early detection of transmission slipping is critical to avoid major repairs and maintain vehicle safety. Here are the signs you should be vigilant for:

  • Sluggish Acceleration

If your car fails to accelerate as quickly as expected or feels sluggish, it may indicate a slipping transmission. However, it could also signal other transmission or engine related issues, necessitating professional inspection.

  • Delayed Movement

Experiencing a delay in movement after shifting from ‘Park’ to ‘Drive’ is another red flag for a slipping transmission. The engine may rev during this delay, but the vehicle remains stationary.

  • Transmission Fluid Leaks

The presence of red fluid on your garage floor and any of the symptoms mentioned above may indicate a transmission fluid leak—a common contributor to slipping.

Is it Safe to Drive with a Slipping Transmission?

Driving a vehicle with a slipping transmission poses significant risks that extend beyond the inconvenience of unexpected gear shifts. The safety implications of such a scenario cannot be overstated.

When your transmission is slipping, it can lead to a series of hazardous situations:

  • Unpredictable Gear Changes

A slipping transmission can switch gears without warning, these sudden shifts can catch you off guard and lead to losing control over your vehicle.

  • Instability and Shaking

As the transmission slips, your car’s performance becomes unpredictable. This instability can result in shaking and a lack of responsiveness, making it challenging to maintain control while driving.

  • Risk to Others

Beyond your safety, driving with a slipping transmission endangers other road users. Your vehicle’s erratic behavior can lead to accidents, causing harm to pedestrians, cyclists, or other drivers who share the road with you.

  • Potential for Severe Damage

Ignoring a slipping transmission can exacerbate the issue and lead to more extensive and costly damage to your vehicle’s transmission system, making repairs even more critical.

For these reasons, it is crucial to take immediate action when you notice any signs of a slipping transmission. Continuing to drive under such circumstances not only increases the risk of accidents but also escalates the repair costs.
Your safety and the safety of others on the road should always be the top priority, making a timely inspection and repair of a slipping transmission an absolute necessity.

Therefore, it’s imperative to have your vehicle inspected and repaired immediately upon noticing any signs of a slipping transmission.

Preventing Transmission Slipping

Preventing transmission slipping requires addressing potential causes like fluid leaks or worn-out transmission bands. Here are steps to consider:

  • Diagnose the Issue

For newer vehicles equipped with onboard diagnostic computers, check for error codes related to transmission problems. This can help pinpoint the issue, especially if it involves solenoid problems.

  • Check Transmission Fluid

Ensure the transmission fluid level is correct. Low fluid levels can lead to slipping. Investigate the source of any leaks, which could be loose seals, damaged fluid lines, a leaking transmission pan, or a faulty pan gasket.

  • DIY Repairs

If you’re a proficient DIYer, you can tackle some repairs independently, such as replacing seals, lines, or gaskets. However, it’s best to seek professional assistance if you encounter complex issues or discover a cracked torque converter.

Avoid Transmission Leak Sealer

Avoid using any transmission leak sealing solution when refilling transmission fluid. This may stop the leak but will cause further damage to the transmission from swelling internal seals.

Conclusion

In conclusion, understanding and addressing transmission slipping is crucial for the safety and longevity of your vehicle. While it may be tempting to attempt DIY repairs, especially for those with mechanical skills, it’s often best to entrust transmission specialists with diagnosing and repairing slipping transmissions.

Footnotes

These experts possess the necessary tools and experience to identify and resolve the root causes of the problem efficiently, allowing you to get back on the road with confidence in your vehicle’s performance and safety.

Remember, early detection and preventive measures can save you from costly repairs, so stay vigilant for the signs of transmission slipping.

In Blog Posts, Engine, Transmission & Drivetrain

Horsepower and Torque: The Difference

Horsepower and torque: The difference

A vehicle’s two top performance metrics bandied about by car enthusiasts are horsepower and torque. You will find them peppered all over every vehicle’s spec sheet, animated and bolded in every comparison video online, and plastered several times in reviews. But only a handful of individuals truly know the meaning of each metric and the significant differences between them.

Knowing what horsepower and torque stand for is highly essential, whether you’re buying a brand-new or used car. Not understanding the differences between these two metrics can result in poor decision-making when you want to buy your next vehicle.

Horse and torque are part of the metrics that indicate how a car engine or transmission will perform. This alone shows that you shouldn’t take these metrics at face value. Therefore, analyzing them is highly crucial. This is where brushing up on the basics becomes essential.

What is Horsepower?

Horsepower is a unit measurement of power, defined as the rate via which a vehicle engine performs work – as generated by torque. In simple language, horsepower is an excellent indicator of a car’s speed. 

A vehicle’s horsepower depends on its rotations per minute (RPM) and torque. In many cases, your vehicle’s engine won’t be pushed until it accomplishes peak performance. This is why it is very rare for car engines to reach the listed number indicating their total horsepower.

What is Torque?

Torque is the force the rotational movement of your vehicle’s crankshaft generates. It is the primary reason the wheels of your car spin when you press down the gas pedal. It is the precise amount of force you apply to an object in a twisting motion.

As this force acts on an object, it translates automatically to work. Simply put, torque is your vehicle’s ability to perform work or a unit measure of strength.

Differences Between Horsepower and Torque

As you can see, the definitions of horsepower and torque are different, though intertwined. This is because one cannot do without the other regarding the overall performance of a vehicle’s engine. It must also be mentioned that the amount of horsepower and torque a vehicle has significantly affects the overall rate of the wear and tear the vehicle experiences.

They share two similarities: both metrics are essentially byproducts of your vehicle’s engine when you switch on the ignition and press the gas pedal. They are also involved in converting fuel and air within the vehicle’s engine into the energy required for your vehicle to move.

That being said, here are the significant difference between horsepower and torque:

1. Horsepower and Torque Measure Different Things

In simple words, torque is a method of measuring force, as mentioned earlier. But horsepower is all about the power the engine transfers to the vehicle’s wheels. This is mostly based on the weight of the vehicle, the distance the car covers, as well as the time it takes to cover that specific distance.

One of the simplest ways of calculating horsepower is to multiply torque, i.e., force, by rotations per minute.

2. Torque is Crucial for Towing; Horsepower Focuses on Performance

Torque should be your ultimate concern or target if you regularly haul campers, trailers, boats, etc. This is crucial as it helps to minimize strain on your vehicle while contributing positively to pulling the extra load.

Torque helps your vehicle start and even navigate hills. This makes it much more powerful and impactful than horsepower as it keeps your car engine running smoothly while hauling heavy loads. 

Vehicles with higher torques – such as heavy-duty trucks, etc. – may require a bit more time in order to accelerate. However, the low-end power nature of torque is responsible for making haulage possible in the first instance.

On the other hand, horsepower is all about the vehicle’s performance. Cars with high horsepower are primarily designed for car owners who want lots of power and speed under the hood. The higher the rating of a vehicle’s horsepower, the faster it will go relative to its overall size.

For instance, a sports car and a large sedan may share the same horsepower rating. However, the sports car will outpace the other vehicle simply because it is more compact or lighter. Vehicles with lots of horsepower also offer exceptional handling on the roads.

This does not imply that vehicles with higher horsepower ratings don’t need torque. They do; in fact, such vehicles rely heavily on torque. However, most vehicles nowadays are designed such that they have the perfect balance between horsepower and torque, which offers the best driving experience.

3. Horsepower and Torque Work Differently for the Acceleration of a Vehicle

As you press the gas pedal of your vehicle, there is a combination of horsepower and torque. But regarding how your vehicle accelerates, both metrics have unique functions. 

Summed up briefly, the primary job of torque is to ensure your car moves when you initially hit the gas pedal, i.e., accelerate. But when the vehicle is in motion, horsepower is left with the responsibility of getting you up to and efficiently maintaining speed for your drive.

4. Horsepower and Torque Have Different Impacts on the Fuel Efficiency

Everyone who desires to purchase a car will probably make fuel efficiency a vital factor to look out for.

Horsepower and torque have significant impacts on fuel efficiency but in different ways. For instance, the more horsepower a particular vehicle has, the faster it burns fuel, whether under standard driving conditions or on acceleration.

On the other hand, a vehicle with a low-end torque burns fuel slowly, depending considerably on your typical hauling and driving habits. This shows the different impacts both metrics have on any vehicle’s fuel efficiency.

Amp Up Horsepower and Torque for Solid Performance

The importance of horsepower and torque when it comes to the overall performance of a vehicle’s engine cannot be overstated. However, knowing the considerable differences between these two performance metrics will go a long way in helping you make the right buying decision whenever you’re in the market for a new or used car.

This doesn’t imply that everything you know about a vehicle’s performance is all lies. Horsepower still matters a lot and continues to be an incredibly useful metric. The only thing is the disproportionate emphasis most people place on it. When you step on the gas pedal, what you generally feel is nothing but torque.

Shop Torques, Converters, and More at Gearstar

Looking to upgrade or replace your torque? Shop with us at Gearstar. We have a range of torques to choose from for Ford, GM, and Mopar transmissions.

For all other questions, send us a line through our online contact form or by phone. You may also check out our resources and support section for how-tos and more.

In Blog Posts

Our Favorite High-Performance Transmissions

High Performance Transmissions - Gearstar

Gearstar specializes in high performance transmissions. Find out which are our favorite! Get started with Gearstar and learn what makes us different.

Are you shopping around for a GM high-performance transmission? You are welcome since this is the right place to get one. Gearstar is highly committed to engineer and builds the most satisfactory GM and Chevy high-performance transmissions that are hand-built and customized to handle as much as 1000 ft.-lbs. torque and 1200 horsepower.

Each high performance is put together by one technician – from scratch, i.e., from start to finish – using premium-quality parts on the market today. The transmissions are perfectly engineered and built to the horsepower, rear gear ratio, and torque specs of every engine it will be matched with. 

Every high-performance transmission undergoes a thorough dynamo test for up to 1000 miles to validate its excellent working condition before leaving the Gearstar facility. Each driveline component is built with the highest quality constituents, including the latest updates.

Why Refer to a Transmission as ‘High Performance’?

A high-performance transmission is usually – and much more likely – utilized for engineered and built engines for performance and speed. 

This gear mechanism used to be limited to only vehicles used exclusively for racing on the drag strip or street racing. However, over the years, there has been a lot of blurring of the line.

Many car enthusiasts these days are no longer reserving specific vehicles for those times. They are now outfitting their unique daily drivers to make them versatile enough to conform to numerous roles.

This often implies restoring and modifying their existing muscle automobiles to meet both objectives – i.e., be a reliable daily driver during the day and tear up the street or track by night or on weekends.

Matching the Engine and High-Performance Transmissions

It is vital to match your vehicle’s transmission to its engine; therefore, do not spend too much money on modifying the engine.

This is where high-performance transmission comes on the scene. To fully utilize your car engine, you must get the converter and transmission to back it up. 

High-performance transmissions provide both the speed and power that you need to get or reach peak performance, thanks to your racing engine. This includes other high-performance types of engines.

This is why you need to ensure that your high-performance transmission builder and engine builder agree or are on the same page from the beginning of the project until it is completed. 

When you are crystal-clear upfront about what you expect regarding speed, power, durability, and performance, the two builders can work together and produce the results you need in record time.

This makes Gearstar different, as you will always get the specs you request without any alteration.

The Different High-Performance Transmissions Gearstar Offers

Gearstar offers a wide range of high-performance transmissions that you can select to match your engine. Here are some of Gearstar’s lineup of GM high-performance transmissions highlighted in no particular order:

  • Ford – AOD: Level 2, 3, and 4 transmissions
  • AODE: Levels 2, 3, and 4 transmissions
  • C4: Levels 2, 3, and 4 transmissions
  • C6: Level 4 transmission
  • E4OD: Level 3 transmission
  • 4R70W: Levels 2, 3, and 4 transmissions

You will also find the following high-performance transmissions on Gearstar:

  • GM – Turbo TH350 (Level 2, 3, and 4): Stage 1 TH350 can take up to 450hp. Stage 2 holds up to 550hp. It can take from 300-350 ft./lbs. torque.
  • Turbo 400 TH400 (Level 2, 3, and 4): It can take up to 400-450hp and is rated at 450 ft./lbs. input torque.
  • 700R4 (Level 1, 2, 3, and 4): It is suitable for up to 550hp max but can do as much as 625hp. Its torque varies considerably according to its production year. But it is known to generate a maximum engine torque of about 350 ft./lbs. as well as a maximum gearbox torque of 650 ft./lbs.
  • 200-4R (Level 2, 3, and 4): It can handle up to 350-400hp on the street and 400-450hp on the track, as well as 675 ft./lbs. torque.
  • 4L60E (Level 2, 3, and 4): It is rated 450hp and 425 ft./lbs. torque.
  • 4L65E (Level 2, 3, and 4): It can handle up to 425-450hp. Built solely for Chevrolet, it has a stock torque limit of up to 380 ft./lbs. torque.
  • 4L65E C5C6 (Level 4): It can handle up to 650hp and up to 650 ft./lbs. torque.
  • 4L70E (Level 4): It can handle as much as 375hp and 350 ft./lbs. torque.
  • 4L80E (Level 2, 3, and 4): It is powered with a magnificent 800hp and generates up to 700 ft./lbs. torque.
  • 4L85E (Level 4): It is powered by a whopping 1000hp and up to 460 ft./lbs. torque.

Each Gearstar high-performance transmission is available at different price points. The power your classic vehicle has will determine the horsepower you will need, and much better engines will require a Level 3 transmission at least.

Gearstar makes every high-performance transmission that can ably handle your build with strong parts and premium-quality steel.

Every high transmission needs regular maintenance, repair, or replacement. Transmissions generally wear away every 150,000 to 200,000 miles. If your transmission has reached either limit, it is high time you changed it.

Fortunately for you, Gearstar has several new options available at affordable prices. An industry-leading warranty and thorough inspection heavily back these high-performance transmissions.

High-performance transmissions give profound peace of mind as your classic racer keeps running, and there’s zero stalling on and off the track.

High Performance Transmissions: Conclusion

As you can see, Gearstar has an excellent lineup of premium-quality, high-performance transmissions designed to match any engine of your choice. Every transmission is engineered, custom-built, and optimized – from scratch or start to finish – by a master technician, so there’s zero room for errors.

Every high-performance transmission that Gearstar features is designed and built per the torque, horsepower, and rear gear ratio specs of the particular engine it is created for.

Since every high-performance transmission is dyno-tested for an equivalent of up to 100 miles for best performance metrics, Gearstar’s products are warranted against failure for up to 36,000 miles or three years, whichever comes first right from the date of shipment.

So, what are you waiting for? Order your high-performance transmission from Gearstar today!

In Blog Posts

Gearstar Sponsored

Annual Car Show

Car Shows while you dreamThe River of Life Church, located in Chagrin Falls Ohio, boasts the annual ROL Car Show every summer.  The cold weather in North East Ohio makes the summer months truly a treasured time. This especially rings true for car enthusiasts.  The weather reports showed rain in the forecast the entire week leading up to the event. Behold, the blessings of warm weather, the sun shining, family, friends, food and most importantly a record number of show quality cars.

Gearstar Sponsored

Gearstar remains motivated in the realm of all things car related and sponsoring a car show sure meets the criteria. A Gearstar sponsored annual car show at The River of Life Church offers a chance to be a part of something more significant. The River of Life Church maintains a worldwide presence in ministry. While the car show had its benefits, the proceeds from the wonderful event are to benefit ROL missions. To think we got to enjoy a day of automotive bliss with friends, family, food and entertainment. Meanwhile, the fruits of our enjoyment ultimately find their way to less fortunate individuals.  Truly a win win situation and definitely a great time. Check out some of the photos and most importantly video footage of the burnouts on exit.

 

In Blog Posts

Gearstar Dyno Tests

Know That You KnowGearstar dyno tests while you eat

Gearstar performance transmissions knows the importance of getting it right the first time.  For this reason, all Gearstar transmissions are custom built, by a single master technician, from start to finish.  The focus of Gearstar remains that you know that you know you will be receiving the exact transmission you require.

Continue Reading

In Blog Posts

Performance Transmissions With A Reputation For Greatness

Performance Transmissions With A Reputation For Greatness

When it comes to custom built performance transmissions, Gearstar isn’t fooling around.  We don’t build transmissions by the hundreds and then put them on a shelf for sale.  You’ll find no assembly line production in the four walls of Gearstar.  Gearstar builds performance transmissions with a reputation for greatness.

Continue Reading

Close Menu