Automatic to Manual Transmission Conversion Kits
Automatic to manual transmission conversion kits are designed to replace an automatic transmission in a vehicle with a manual transmission. These kits typically include all the necessary components to complete the conversion, such as a new transmission, clutch, pedal assembly, shifter, and wiring harness. They offer enthusiasts a way to enhance their driving experience by adding the engagement and control of a manual transmission.
What is an Automatic to Manual Transmission Conversion Kit?
An automatic to manual transmission conversion kit is a comprehensive package designed to transform a vehicle equipped with an automatic transmission into one with a manual gearbox. These kits are essentially a collection of components specifically engineered to facilitate this swap. They typically include a new manual transmission, a clutch assembly, a pedal assembly (to accommodate the clutch and brake pedals), a shifter, and the necessary wiring harness for integration with the vehicle’s electrical system. The kit may also include mounting brackets, hardware, and other accessories to ensure a smooth and proper installation.
Why Convert from Automatic to Manual?
The allure of a manual transmission lies in its direct connection between driver and vehicle, offering a more engaged and rewarding driving experience. Many enthusiasts choose to convert from automatic to manual for several reasons. First, the manual gearbox provides greater control over the vehicle’s speed and acceleration, allowing drivers to downshift for engine braking or to rev-match for smoother gear changes. This control is particularly appealing for performance driving, where precise gear selection can significantly impact lap times. Second, the act of shifting gears itself can be considered an enjoyable aspect of driving, adding an element of engagement and interaction that is absent in automatic transmissions. Lastly, for some, the conversion is driven by a desire to enhance the overall character of their vehicle, as manual transmissions are often associated with a sportier and more driver-focused feel.
Components of an Automatic to Manual Transmission Conversion Kit
An automatic to manual transmission conversion kit typically includes a comprehensive set of components essential for the transformation. At its core, the kit will contain a new manual transmission, meticulously chosen to suit the vehicle’s specifications and the desired driving experience. This transmission will be accompanied by a clutch assembly, encompassing the clutch disc, pressure plate, and release bearing, which are crucial for engaging and disengaging the transmission from the engine. A new pedal assembly, incorporating clutch and brake pedals, will be included to facilitate manual operation. The kit will also feature a shifter assembly, complete with a shift lever and linkage, enabling the driver to select gears. A wiring harness is essential to integrate the new transmission and its associated components with the vehicle’s electrical system. For a complete conversion, the kit may also include auxiliary parts such as a driveshaft, axles, and a transmission crossmember, ensuring proper fit and function.
Choosing the Right Transmission
Selecting the appropriate transmission for your automatic to manual conversion is paramount for achieving optimal performance and drivability. Factors to consider include the vehicle’s year, make, and model, as well as the intended use. The transmission’s gear ratios play a crucial role in determining acceleration, fuel efficiency, and overall driving characteristics. A transmission with close-ratio gears will provide snappy acceleration, while wide-ratio gears are more suited for cruising. The transmission’s strength and durability are essential considerations, especially if the vehicle is used for performance driving or towing. For example, a Tremec T56 transmission is known for its strength and durability, making it a popular choice for muscle car conversions. Furthermore, the availability of aftermarket parts and support for the chosen transmission is crucial for future maintenance and repairs. Ultimately, the best transmission for your needs will depend on your specific goals and preferences.
Installation Process
Installing an automatic to manual transmission conversion kit is a complex and time-consuming process that requires mechanical expertise and specialized tools. It involves removing the existing automatic transmission, installing the new manual transmission, and connecting the clutch system, shifter, and associated wiring. The process typically begins with disconnecting the battery and removing the automatic transmission, including the torque converter and associated components. The new manual transmission is then installed, followed by the clutch system, which includes the clutch disc, pressure plate, and throw-out bearing. The shifter is then installed and connected to the transmission. The wiring harness for the new transmission needs to be properly connected, ensuring that all the necessary components are properly wired and functional. After the installation is complete, the vehicle needs to be thoroughly tested for proper operation, including checking for leaks, transmission fluid levels, and proper clutch engagement. The installation process can be intricate and may require professional assistance, depending on the complexity of the conversion and the individual’s mechanical skills.
Common Manual Transmission Swap Options
When choosing a manual transmission for a conversion, several popular options emerge. The T56, a 6-speed transmission known for its durability and performance, is a frequent choice for muscle car conversions. The Tremec TKX, another popular option, offers a range of gear ratios and is available in 5- and 6-speed configurations. For enthusiasts looking for a more modern transmission, the Getrag 420G, a 6-speed transmission often used in BMWs, is a solid option. The W58, a 5-speed transmission commonly found in Toyota vehicles, is a popular choice for enthusiasts looking for a reliable and affordable option. The R154, another Toyota transmission, is known for its strength and durability, often used in performance applications. The AR-5, a 5-speed transmission found in some Nissan models, is a good option for those looking for a robust and relatively inexpensive transmission. The V160, a 6-speed transmission developed by Getrag, is known for its durability and is often used in high-performance applications. Ultimately, the best choice depends on the vehicle’s specific needs and the desired performance characteristics.
Benefits of a Manual Transmission
Converting from an automatic to a manual transmission offers a range of benefits for driving enthusiasts. Manual transmissions provide a more engaging and rewarding driving experience, allowing drivers to control the gear changes and feel a more direct connection to the vehicle. They often deliver better fuel economy compared to automatics, as drivers can optimize gear selection for specific driving conditions. Manual transmissions can also enhance a vehicle’s performance by offering quicker acceleration and more precise control over engine speed. The ability to downshift for engine braking on descents provides additional control and safety. For those who enjoy the challenge and engagement of driving a manual car, the conversion can be a rewarding and fulfilling modification.
Considerations Before Conversion
Before embarking on an automatic to manual transmission conversion, it’s essential to carefully consider several factors. Firstly, evaluate the feasibility of the conversion for your specific vehicle. Some models might have limited aftermarket support or require extensive modifications, making the process more complex and costly. Assess your mechanical skills and available resources, as the conversion can be a demanding project requiring specialized tools and expertise. Consider the impact on your vehicle’s value and insurance coverage, as conversions might affect resale value and insurance premiums. Finally, research the legal implications in your region, as some areas might have regulations regarding transmission swaps. By thoughtfully weighing these considerations, you can make an informed decision about whether a manual transmission conversion is the right choice for your vehicle and your driving needs.
Cost of Conversion
The cost of converting an automatic transmission to a manual transmission can vary significantly depending on several factors. The type of vehicle, the chosen transmission, and the complexity of the conversion all play a role. A basic conversion kit, including the transmission, clutch, and pedal assembly, can range from a few hundred dollars to over a thousand dollars. However, additional components like a new shifter, wiring harness, and specialized tools can add to the overall expense. Labor costs for professional installation can be substantial, especially for more complex conversions; If you’re planning to do the conversion yourself, factor in the cost of any necessary parts and tools. Ultimately, the cost of an automatic to manual transmission conversion should be carefully considered and weighed against the benefits and potential challenges involved.
Where to Find Conversion Kits
Finding automatic to manual transmission conversion kits is easier than you might think. Numerous online retailers and specialized automotive parts suppliers offer a wide range of kits for various vehicle models. Popular online marketplaces like eBay and Amazon often list conversion kits, while dedicated automotive websites like Summit Racing and JEGS provide a more focused selection. If you’re looking for specific kits for a particular make and model, searching online forums and communities dedicated to your vehicle might yield valuable insights and recommendations. Local automotive shops specializing in performance upgrades or transmission repairs can also be a great source of information and potentially provide installation services. Remember to compare prices, read reviews, and ensure the kit is compatible with your vehicle before making a purchase.
Popular Conversion Kits
Several reputable companies specialize in manufacturing and distributing automatic to manual transmission conversion kits. American Powertrain is known for its ProFit Tremec TKX kits, which are designed for various classic muscle cars like Chevrolet Chevelles and El Caminos. MWR SMT offers conversion kits tailored for specific Toyota models, using a mix of new and refurbished OEM parts alongside their own custom-engineered components. LMR.com focuses on providing comprehensive kits for Ford Mustang enthusiasts, particularly for Fox Body models, offering a range of manual transmission swap options. For Corvette owners seeking a manual transmission swap, Zip offers kits for converting their C3 Corvettes to Tremec 5 and 6-speed setups. These are just a few examples, and depending on your vehicle make and model, you’ll find a variety of other popular conversion kits available from different manufacturers. When choosing a kit, consider its compatibility, reputation, and the level of support offered by the manufacturer.