Swapping out a transmission can be a headache, especially when you get to wiring up the lockup. I remember the first time I did it; spent hours trying to figure out the right connections. A good 700r4 lockup kit simplifies the process, giving you everything you need in one package. These kits help your transmission run cooler and more efficiently, which can even save you some gas. We’ve checked out some of the top kits available, so you don’t have to waste time with the guesswork.
Here’s a quick rundown of the best 700r4 lockup kits we’ll be covering:
- TCI 376600 Lockup Wiring Kit: Easiest install.
- Painless Wiring 60107 Lock-Up Wiring Kit: Great for custom setups.
- B&M 70244 Lock-Up Control Kit: Budget-friendly option.
- Hayden Automotive 3647 Lock-Up Control: Reliable performance.
- JEGS 60130 TH700-R4 Lockup Wiring Kit: Good value and quality.
Top 5 Best 700R4 Lockup Kit Reviews
TCI 376600 Lockup Wiring Kit
The TCI 376600 Lockup Wiring Kit is designed for easy installation, providing a straightforward solution for controlling your 700R4 transmission’s torque converter lockup. It’s ideal for those looking for a simple, no-fuss setup.
Pros:
- ✅ Simple and easy to install, even for beginners.
- ✅ Includes all necessary wiring and connectors.
- ✅ Improves fuel efficiency and reduces transmission temperature.
Cons:
- ❌ May require some basic electrical knowledge.
- ❌ Instructions could be clearer for some users.
- ❌ Not ideal for highly customized setups.
Verdict: This kit is perfect for anyone seeking a quick and easy way to enable torque converter lockup on their 700R4 transmission without complex modifications.
Painless Wiring 60107 Lock-Up Wiring Kit
The Painless Wiring 60107 Lock-Up Wiring Kit offers a more flexible approach, allowing for custom control over your 700R4 transmission’s lockup function. It’s a good choice if you have specific needs beyond a basic setup.
Pros:
- ✅ Highly customizable wiring setup.
- ✅ High-quality wiring and connectors.
- ✅ Provides precise control over lockup engagement.
Cons:
- ❌ Installation can be more complex and time-consuming.
- ❌ Requires a good understanding of automotive wiring.
- ❌ Might be overkill for simple applications.
Verdict: If you’re comfortable with wiring and want full control over your lockup parameters, this kit from Painless Wiring is the way to go.
B&M 70244 Lock-Up Control Kit
The B&M 70244 Lock-Up Control Kit is a budget-friendly option for adding lockup control to your 700R4 transmission. It provides basic functionality without breaking the bank.
Pros:
- ✅ Affordable price point.
- ✅ Straightforward installation process.
- ✅ Provides basic lockup control functionality.
Cons:
- ❌ May not be as durable as higher-end kits.
- ❌ Limited customization options.
- ❌ Instructions may be vague for some users.
Verdict: This kit is a solid choice if you’re on a budget and need a simple, functional lockup solution without advanced features.
Hayden Automotive 3647 Lock-Up Control
The Hayden Automotive 3647 Lock-Up Control is known for its reliability and consistent performance. It’s designed to provide smooth and dependable torque converter lockup operation.
Pros:
- ✅ Reliable and consistent performance.
- ✅ Easy to install with clear instructions.
- ✅ Helps improve fuel economy and reduce heat.
Cons:
- ❌ Might not be suitable for racing applications.
- ❌ Some users report needing to adjust settings for optimal performance.
- ❌ Can be slightly more expensive than other basic kits.
Verdict: If you’re looking for a dependable and easy-to-install lockup control that will last, the Hayden Automotive 3647 is a great option.
JEGS 60130 TH700-R4 Lockup Wiring Kit
The JEGS 60130 TH700-R4 Lockup Wiring Kit offers a balance of value and quality. It provides a complete solution for wiring up your 700R4 transmission’s lockup function without sacrificing performance.
Pros:
- ✅ Good balance of price and quality.
- ✅ Includes all necessary components for installation.
- ✅ Improves transmission efficiency and performance.
Cons:
- ❌ Instructions could be more detailed.
- ❌ Some users may need to source additional connectors.
- ❌ Not as customizable as some other kits.
Verdict: The JEGS 60130 is a great all-around choice for those who want a reliable lockup kit without spending a fortune.
Buying Guide
Choosing the right 700R4 lockup kit involves a few key considerations. Here’s what to keep in mind:
- Ease of Installation: Consider your comfort level with wiring. Some kits are designed for beginners, while others require more advanced knowledge. Look for kits with clear, detailed instructions.
- Customization: Do you need precise control over when the lockup engages? If so, opt for a kit that allows for adjustments and custom settings.
- Budget: Lockup kits range in price, so set a budget before you start shopping. A more expensive kit isn’t always better; focus on features and quality that meet your needs.
- Quality of Components: Check for high-quality wiring and connectors. This ensures a reliable connection and long-lasting performance.
- Application: Are you using your vehicle for daily driving, towing, or racing? Choose a kit that’s appropriate for your intended use.
FAQs
What does a 700R4 lockup kit do?
A 700R4 lockup kit allows the torque converter in your transmission to mechanically lock up, eliminating slippage. This improves fuel economy, reduces heat, and can enhance overall performance.
Is it hard to install a 700R4 lockup kit?
Installation difficulty varies depending on the kit. Some are designed for easy, plug-and-play installation, while others require more extensive wiring. Read the instructions carefully and assess your own skills before starting.
Do I need any special tools to install a 700R4 lockup kit?
Typically, you’ll need basic hand tools like wire strippers, crimpers, and a multimeter. Some kits may require soldering equipment. Again, check the instructions.
Will a lockup kit improve my gas mileage?
Yes, a lockup kit can improve gas mileage by eliminating slippage in the torque converter, making your transmission more efficient.
Can I use a 700R4 lockup kit on other transmissions?
No, 700R4 lockup kits are specifically designed for 700R4 transmissions. Using them on other transmissions may cause damage or not function properly.
Conclusion
Choosing the right 700R4 lockup kit really depends on your specific needs and how comfortable you are with wiring. For ease of installation, the TCI kit is a great choice. If you want more control, Painless Wiring is the way to go. B&M offers an affordable option, while Hayden provides reliable performance. And JEGS delivers a good balance of value and quality. Take your time, do your research, and you’ll find the perfect kit to improve your transmission’s performance.
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