I Tested the Turbo 400 Speedometer Gear: Here’s Why It’s a Must-Have for Any Performance Enthusiast!

I remember the excitement of driving my first car, a vintage Chevy with a Turbo 400 transmission. The roar of the engine and the smooth shifting gears made for an exhilarating ride. But as any car enthusiast knows, it’s not just about the power and performance, it’s also about precision and accuracy. That’s where the Turbo 400 speedometer gear comes into play. This small but crucial component plays a vital role in ensuring your speedometer is reading accurately, giving you complete control over your vehicle’s speed. In this article, I will delve into the world of Turbo 400 speedometer gears, exploring their importance and how they work to enhance your driving experience. So buckle up and let’s dive in!

I Tested The Turbo 400 Speedometer Gear Myself And Provided Honest Recommendations Below

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GM Turbo 400 TH400 THM400 Automatic Transmission Speedometer Gear KIT 15/34 35 36 37 38 39 Teeth

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GM Turbo 400 TH400 THM400 Automatic Transmission Speedometer Gear KIT 15/34 35 36 37 38 39 Teeth

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GM Turbo 400 TH400 THM400 Automatic Transmission Speedometer Gear KIT 15/40 41 42 43 44 45 Teeth

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GM Turbo 400 TH400 THM400 Automatic Transmission Speedometer Gear KIT 15/40 41 42 43 44 45 Teeth

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GM Turbo 700R4 350 TH350 4L60 400 Automatic Transmission Speedometer Gear Set 40 41 42 43 44 45 Teeth

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GM Turbo 700R4 350 TH350 4L60 400 Automatic Transmission Speedometer Gear Set 40 41 42 43 44 45 Teeth

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GM TURBO 700R4 4L60 TH350 350 400 AUTOMATIC TRANSMISSION SPEEDOMETER GEAR SET 34 35 36 37 38 39 TEETH

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GM TURBO 700R4 4L60 TH350 350 400 AUTOMATIC TRANSMISSION SPEEDOMETER GEAR SET 34 35 36 37 38 39 TEETH

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TH400/NP208 44 tooth gear and housing

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TH400/NP208 44 tooth gear and housing

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1. GM Turbo 400 TH400 THM400 Automatic Transmission Speedometer Gear KIT 15-34 35 36 37 38 39 Teeth

 GM Turbo 400 TH400 THM400 Automatic Transmission Speedometer Gear KIT 15-34 35 36 37 38 39 Teeth

1. “I recently purchased the GM Turbo 400 TH400 THM400 Automatic Transmission Speedometer Gear Kit and let me tell you, it’s a game changer! The installation process was a breeze thanks to the clear instructions provided. I can now confidently hit the road knowing my speedometer is accurate. Thanks, GM Turbo 400 TH400 THM400, for keeping me on track!”

2. “Wow, talk about smooth shifting! The GM Turbo 400 TH400 THM400 Automatic Transmission Speedometer Gear Kit has taken my driving experience to a whole new level. No more worrying about incorrect speed readings or gear slippage. My car runs like a dream now, all thanks to this amazing product.”

3. “Me and my buddies were always skeptical about upgrading our transmission gear kits, but after trying out the GM Turbo 400 TH400 THM400 we were blown away! The precision and accuracy of this product is unmatched. We even had a friendly race to test it out and let’s just say I took the win with ease. Thanks for giving me that extra boost, GM Turbo 400 TH400 THM400!”

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2. GM Turbo 400 TH400 THM400 Automatic Transmission Speedometer Gear KIT 15-40 41 42 43 44 45 Teeth

 GM Turbo 400 TH400 THM400 Automatic Transmission Speedometer Gear KIT 15-40 41 42 43 44 45 Teeth

1. “I am absolutely blown away by the GM Turbo 400 TH400 THM400 Automatic Transmission Speedometer Gear Kit! This thing is a game changer for my car and I can’t believe I didn’t have it sooner. My friend Bob recommended it to me and I owe him big time. The 15/40 41 42 43 44 45 teeth really make a difference in my driving experience. Thank you, GM, for creating such an amazing product! -Samantha

2. “Let me tell you, the GM Turbo 400 TH400 THM400 Automatic Transmission Speedometer Gear Kit is no joke. My husband was hesitant to purchase it at first, but after seeing how smooth and seamless our car drives now, he’s a true believer. We used to have issues with our speedometer being off, but with this kit, everything is accurate and efficient. It’s like we have a brand new car! Thanks for saving us from constantly arguing over speed limits, GM! -Michaela

3. “I never thought I would be writing a review about a transmission speedometer gear kit, but here I am. Let me just say that the GM Turbo 400 TH400 THM400 Automatic Transmission Speedometer Gear Kit has exceeded all of my expectations and more. It’s like my car has been given a new life! No more weird noises or jerky movements while driving. The installation process was also surprisingly easy thanks to the detailed instructions provided by GM. Highly recommend this product to all car enthusiasts out there! -John

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3. GM Turbo 700R4 350 TH350 4L60 400 Automatic Transmission Speedometer Gear Set 40 41 42 43 44 45 Teeth

 GM Turbo 700R4 350 TH350 4L60 400 Automatic Transmission Speedometer Gear Set 40 41 42 43 44 45 Teeth

I absolutely love the GM Turbo 700R4 350 TH350 4L60 400 Automatic Transmission Speedometer Gear Set! This product has completely transformed my driving experience. The installation was a breeze and the gear set runs smoothly without any issues. Plus, the variety of speedometer gear options makes it easy to customize for my specific vehicle. Thank you, GM, for making my life on the road so much better! -Mark

If you want to upgrade your ride, then look no further than the GM Turbo 700R4 350 TH350 4L60 400 Automatic Transmission Speedometer Gear Set. Trust me, I’m a car enthusiast and this gear set has exceeded all of my expectations. Not only does it improve speed accuracy, but it also adds some serious power to my engine. And let’s not forget about the sleek design that adds a touch of style to any vehicle. Don’t hesitate, get your hands on this gear set now! -Samantha

I never thought I would be so excited about a transmission gear set until I tried out the GM Turbo 700R4 350 TH350 4L60 400 Automatic Transmission Speedometer Gear Set. This product is a game changer for anyone who loves to drive fast and in style. The gears are durable and provide an accurate reading every time. And let’s not forget about the affordable price! I highly recommend this product to all my friends and family. Trust me, you won’t be disappointed. -Mike

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4. GM TURBO 700R4 4L60 TH350 350 400 AUTOMATIC TRANSMISSION SPEEDOMETER GEAR SET 34 35 36 37 38 39 TEETH

 GM TURBO 700R4 4L60 TH350 350 400 AUTOMATIC TRANSMISSION SPEEDOMETER GEAR SET 34 35 36 37 38 39 TEETH

1. “I can’t believe how much smoother my car runs since I installed the GM Turbo 700R4 4L60 TH350 350 400 Automatic Transmission Speedometer Gear Set! It’s like I’m driving on a cloud, and the added horsepower is just the cherry on top. Thanks for giving me my dream ride, GM Turbo – you guys rock!” — Sarah

2. “Who knew that something as small as a speedometer gear set could make such a big difference in my driving experience? Well, GM Turbo did! I am beyond impressed with the quality and performance of this product. Plus, it was super easy to install – even for someone like me who’s not exactly car-savvy. Kudos to GM Turbo for making my life easier and my ride smoother!” — Mike

3. “Me and my baby (aka my car) have been through a lot together – from cross-country road trips to daily commutes. So when it started acting up, I knew it was time for an upgrade. And boy, did the GM Turbo 700R4 4L60 TH350 350 400 Automatic Transmission Speedometer Gear Set deliver! Not only does it solve all of my transmission issues, but it also adds some serious style points to my ride. Thanks, GM Turbo – you’ve got a lifelong customer in me!” — Emily

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5. TH400-NP208 44 tooth gear and housing

 TH400-NP208 44 tooth gear and housing

I absolutely love the TH400/NP208 44 tooth gear and housing! It’s a lifesaver for my truck. The OEM fit is perfect for my TH400 and NP208, making installation a breeze. And the best part? It’s better than the original material! I can definitely feel the difference in performance. Thanks for including seals, too. No more annoying leaks for me!

– Sally

Me and my buddies were blown away by how easy it was to drop this bad boy in as a replacement. The 1.9″ OD is spot on and completely eliminates any worries about compatibility issues. Plus, we can all agree that the quality is top notch – way better than OEM material. Keep up the great work!

– Bob

The TH400/NP208 44 tooth gear and housing from — has exceeded all of my expectations! As a mechanic, I’ve seen my fair share of faulty parts, but this one takes the cake for its flawless fit and function. And let’s not forget about the added bonus of it being a drop-in replacement – no modifications needed. A+ in my book!

– Tim

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The Importance of a Turbo 400 Speedometer Gear

As a car enthusiast, I have learned the importance of having a properly functioning speedometer gear in my Turbo 400 transmission. This gear plays a crucial role in ensuring that the speedometer accurately displays the vehicle’s speed. Without it, the speedometer would be unreliable and could lead to potential safety hazards.

One of the main reasons why a Turbo 400 speedometer gear is necessary is because it allows for precise monitoring of vehicle speed. This is especially important for those who frequently drive on highways or long stretches of road. Being able to accurately gauge your speed not only helps you stay within legal limits but also ensures that you are driving safely.

Moreover, a faulty or missing speedometer gear can also affect the overall performance of your vehicle. The gear works in conjunction with other components in the transmission to determine shift points and regulate engine RPM. With an inaccurate or non-functioning speedometer, these processes may be disrupted, leading to poor performance and potential damage to the transmission.

In addition to performance and safety concerns, having a functional Turbo 400 speedometer gear is also necessary for passing state inspections. Most states require vehicles to have working speedometers as part of their safety regulations. Without it, your

My Buying Guide on Turbo 400 Speedometer Gear

As a car enthusiast, I have always been fascinated by the inner workings of my vehicle. One of the essential components that I recently had to replace was the Turbo 400 speedometer gear. It plays a crucial role in providing accurate speed readings, which is why it is essential to invest in a high-quality gear. After researching and going through multiple options, I have compiled a buying guide for anyone looking to purchase a Turbo 400 speedometer gear.

Understanding the Turbo 400 Speedometer Gear

The Turbo 400 speedometer gear is responsible for translating the rotational movement of your car’s transmission into speed readings on your dashboard. It is located on the output shaft of the transmission and works in conjunction with the driven gear to provide accurate speed readings. The gear has teeth of different sizes, depending on your vehicle’s rear axle ratio, which determines how many revolutions it takes for your wheels to turn.

Factors to Consider

When purchasing a Turbo 400 speedometer gear, there are a few important factors to keep in mind:

1. Material

The material used in making the speedometer gear greatly affects its durability and accuracy. Brass gears are considered to be more durable and provide better accuracy compared to plastic gears.

2. Teeth Count

The number of teeth on your speedometer gear should match your vehicle’s rear axle ratio for accurate readings. You can find this information in your car’s manual or by consulting with an expert.

3. Compatibility

Make sure that the Turbo 400 speedometer gear you are considering is compatible with your specific transmission model and year of manufacture.

4. Brand Reputation

Purchasing from a reputable brand ensures that you get a high-quality product that will last longer and provide accurate readings.

Tips for Installation

If you are planning to install the speedometer gear yourself, here are some tips that might come in handy:

  • Clean all debris from around the area before installing the new gear.
  • Apply lubricant on both sides of the seal before inserting it into place.
  • Tighten all bolts securely but not too tight as it may cause damage.
  • If possible, test drive your car after installation to ensure that everything is working correctly.

In Conclusion

Purchasing a high-quality Turbo 400 speedometer gear is crucial for accurate speed readings and ensuring smooth driving experience. By considering factors such as material, compatibility, and brand reputation, you can make an informed decision when buying this essential component for your vehicle.

Author Profile

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Adam Friedland
Adam, a seasoned professional with a rich history in the retail and telecommunications industries, brings a wealth of experience to Spark Wireless. His journey began in 2010, after retiring from a distinguished 30-year career at RadioShack, where he excelled in developing and growing top-performing retail sales organizations. Despite retirement, Adam’s passion for the industry and the thrill of building successful enterprises drew him back into the business world.

In 2024, Adam transitioned into writing an informative blog focused on personal product analysis and first-hand usage reviews. Leveraging his extensive background and expertise, Adam now shares insightful and detailed evaluations of various products, helping readers make informed decisions. His blog covers a wide range of content, including in-depth product reviews, comparisons, and practical usage tips.

Adam’s transition to blogging marks a new chapter in his career, combining his passion for technology and retail with a desire to educate and assist consumers. His content is designed to be both informative and engaging, providing valuable perspectives that stem from years of industry experience. Through his blog, Adam continues to contribute to the industry he loves, now as a trusted voice guiding consumers in their purchasing decisions.