TCI 6X Six Speed Transmissions

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Using the latest developments in drivetrain technology, TCI has developed an innovative automatic transmission for Pro Touring, street and all-out race vehicles. Designed for GM SBC, BBC and LS applications, as well as Fords and Chryslers, the 4L80E-based TCI 6x Six-Speed Automatic Transmission is a fully programmable transmission that gives you six forward gears (2.97, 2.23, 1.57, 1.18, 1.00, 0.75) for quicker acceleration and increased fuel economy at cruising speeds and is capable of handling up to 850 horsepower.

When used with the required TCI Transmission Control Unit for shift point programming and the optional TCI Paddle Shifter or bump switch setup for manual mode gear selection, this automatic transmission gives vehicles the most functional and modern drivetrain combination on the market.

To ensure durability, TCI engineers run each transmission across a computer-controlled transmission dyno to assure proper line pressures and top notch transmission performance. Proof of this triple testing process is included with each transmission, shipped in the form of individual serialized spec sheets containing test scores. These versatile transmissions from TCI feature a compact design, allowing them to work in a variety of performance applications. In addition, each TCI transmission utilizes the patented HDT Coating for cooler operating temperatures and improved drivetrain efficiency.

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