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  3. MUSCLE SP061

MUSCLE FACTORY SP061 Manual Transmission Conversion Kit

fits model: Gto, Chevelle. year: 1964–1967.

Sp061 Muscle Factory Manual Transmission Conversion Kit 1964-1967 Chevelle Gto

( Brand: Muscle Factory ), ( Manufacturer Part Number: SP061 ), ( Part Type: Manual Transmission ), ( Vintage Part: Yes ), ( Transmission Type: Manual )

Review MUSCLE FACTORY Manual Transmission Conversion Kit fits CHEVELLE GTO 1964–1967

The Muscle SPO61 Manual Transmission Conversion Kit is specifically designed for 1964 to 1967 Chevelle and GTO models looking to upgrade from an automatic to a manual transmission. This is not a complete kit, but rather a conversion kit that includes all necessary components for converting the powertrain from an automatic to a manual transmission.

The centerpiece of this conversion kit is the TREMEC T5 5-speed manual transmission. This transmission is known for its durability, smooth shifting, and compatibility with a wide range of engine sizes. It features a heavy-duty input shaft and a double-overhead camshaft design, which allows for improved power transfer and reduced engine stress. The T5 transmission also includes a clutch master cylinder, flywheel, pressure plate, and clutch disc, making it a complete solution for manual transmission conversion.

The kit also includes a custom-engineered bellhousing, which is specifically designed for use with small-block Chevy engines. It is made from high-strength aluminum and includes provisions for the factory oil pump and power steering pump. The bellhousing also features a unique design that allows for easy installation and alignment of the transmission.

Additionally, the Muscle SPO61 Manual Transmission Conversion Kit includes a clutch pedal assembly, transmission mount, and all necessary hardware for installation. The clutch pedal assembly is designed for easy installation and features a progressive clutch feel, providing smooth and precise engagement. The transmission mount is made from high-strength steel and includes provisions for the factory engine mount, ensuring a secure and stable installation.

This conversion kit requires some modifications to the vehicle's factory components, such as the transmission tunnel, clutch master cylinder bracket, and clutch pedal assembly. It is important to note that this kit is intended for experienced home mechanics or professional installers, as the installation process can be complex and time-consuming.

Overall, the Muscle SPO61 Manual Transmission Conversion Kit offers a high-performance alternative to the factory automatic transmission in 1964 to 1967 Chevelle and GTO models. With its durable and reliable TREMEC T5 transmission, custom-engineered bellhousing, and comprehensive list of included components, this kit is an excellent choice for those seeking to enhance the driving experience of their classic muscle car.

Muscle SPO61 Manual Transmission Conversion Kit for 1964-1967 Chevelle/GTO: A Detailed Analysis

Introduction:

The Muscle SPO61 manual transmission conversion kit is a popular choice among enthusiasts who wish to upgrade their 1964-1967 Chevelle or GTO models with a more modern, high-performance manual transmission. This conversion kit offers several advantages over the stock automatic transmission. In this analysis, we will discuss the pros and cons of installing a Muscle SPO61 manual transmission conversion kit in your classic Chevelle or GTO.

Pros:

1. Improved Performance: The primary reason for installing a manual transmission conversion kit is to enhance the overall performance of the vehicle. Manual transmissions provide a more direct connection between the engine and the wheels, resulting in smoother power delivery and better acceleration.

2. Enhanced Driving Experience: A manual transmission offers a more engaging driving experience. Enthusiasts appreciate the control they have over their vehicle, as they can easily shift gears to optimize engine RPMs for maximum performance.

3. Cost-Effective: Manual transmissions typically last longer than automatic transmissions, making them a cost-effective choice in the long run. Additionally, manual transmissions are often less complex and easier to maintain than their automatic counterparts.

4. Customizability: The Muscle SPO61 conversion kit offers the flexibility to install various transmissions, such as the T56 or TREMEC, depending on the driver's preference and desired performance level.

5. Retains Original Look: Installing a manual transmission conversion kit allows you to maintain the original look of your classic Chevelle or GTO while enjoying the benefits of a modern transmission.

Cons:

1. Installation Complexity: Installing a manual transmission conversion kit requires specialized knowledge and tools. The process can be time-consuming and costly, with labor and parts expenses adding up quickly.

2. Adaptation Learning Curve: Driving a manual transmission vehicle can be a learning curve for those accustomed to automatic transmissions. mastering the art of smooth shifting takes practice and dedication.

3. Upgraded Clutch System: The Muscle SPO61 kit requires a more robust clutch system to handle the increased power output. This additional component requires additional cost and maintenance.

4. Loss of Reverse: When installing a manual transmission conversion kit, the reverse gear function is lost. This can be mitigated by installing a reverse kit or using a manual transmission with a reverse gear.

5. Drivability in Heavy Traffic: Manual transmissions may not be as suitable for heavy traffic conditions as automatic transmissions. The need to constantly shift gears in stop-and-go traffic can be tiring and less efficient.

Conclusion:

The decision to install a Muscle SPO61 manual transmission conversion kit in your 1964-1967 Chevelle or GTO depends on your personal preferences, driving style, and budget. The advantages, such as improved performance, enhanced driving experience, cost-effectiveness, and customizability, are significant. However, the cons, such as installation complexity, adaptation learning curve, upgraded clutch system, loss of reverse, and drivability in heavy traffic, should be carefully considered.

Recommendation:

If you are an enthusiast who values performance, control, and the driving experience, the Muscle SPO61 manual transmission conversion kit is a worthwhile investment. However, be prepared for the installation complexity, learning curve, and additional costs associated with the conversion. If you prioritize ease of use, convenience, and low maintenance, an automatic transmission may be a better choice for you. Ultimately, the decision is yours, and we hope this analysis provides valuable insight into the pros and cons of each option.

Details:

part #: sp061 prices

  • $263.99-$4541.99

specifications othellodrivetrain:

  • for models: Gto, Chevelle
  • for years: 1964-1967
  • brand: Muscle Factory
  • mpn: Sp061
  • part type: Manual Transmission
  • vintage part: Yes
  • transmission type: Manual

general othellodrivetrain:

  • condition: New
  • Car Truck Parts Accessories > Transmission Drivetrain > Other Transmission Drivetrain

seller othellodrivetrain:

  • city: Champaign, Illinois
  • # reviews: 1463
  • rating: 100.0%

payments othellodrivetrain:

  • credit card: Discover
  • other
  • wallet: Paypal

shipping othellodrivetrain:

  • carrier: UPS
  • transit: 4-9 Days
  • class: Standard
  • service: UPS Ground
  • cost: $0.00
  • type: Calculated

returns othellodrivetrain:

  • policy: No Returns

offer othellodrivetrain:

  • started: March 8, 2025
  • sold: 0
  • availability: In Stock
  • options: Ship-to-home
  • quantity: 1
for models: gto, chevelle, for years: 1964-1967, part type: manual transmission, vintage part: yes, transmission type: manual,
category: auto parts > car truck parts accessories > transmission drivetrain, sku: 5533854630350673,

Muscle Factory SP061 Is Similar To:

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2 offers $263.99–$4541.99 USD
  • Offer #1: $263.99 price + $0.00 shipping estimate = $263.99* total. Fits 1967 Chevelle Big Block And Small Block. Kit Includes: Clutch and brake pedals and pads.FREE SHIPPING
  • Offer #2: $4541.99 price + $137.50 shipping estimate = $4679.49* total. Our convenient transmission installation package includes the majority of parts required to install a Tremec TKX transmission behind your 85 and older SBC engine, Fits 2 piece rear main seal small block Chevy engines from 1955 to 1985 making it an ideal 5 speed manual transmission for Chevy 350, 283, 302, 305, 307, and 327, Features the Tremec TKX 5 speed transmission which is rated for 600 lb.-ft of torque with shift points up to 7500 RPM, 5th gear overdrive ratio of .68 to 1 allows you to use a performance rear end gear ratio while still cruising down the highway at a reasonable RPM for comfort and economy, Kit includes a TKX transmission, steel bellhousing, clutch kit, hydraulic throwout bearing, hardware, and wiring pigtails for reverse lights & electronic speedometer.+$137.50 shipping

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