The story behind GM's Turbo-Hydramatic THM400 transmission – used in everything from classic muscle cars to luxury supercars.

Long before automatic transmissions like the 4L60E earned such bad reputations, General Motors entrusted the Turbo Hydra-Matic family to handle shifting duties in its legendary lineup of muscle cars.

Poor reliability is a car problem that isn't as prevalent as it used to be. Automatic transmissions were among the worst offenders, with some going from smoothly shifting between gears while ...

Add Yahoo as a preferred source to see more of our stories on Google. Poor reliability is a car problem that isn't as prevalent as it used to be. Automatic transmissions were among the worst offenders ...

Swapping a manual transmission into a Mercedes 300SD turbodiesel transforms how this classic drives. Here’s what the conversion involves, why it changes the car completely, and whether it’s worth ...

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This video covers the initial proof of concept for a BMW M6 V10 (E63/E64) DCT transmission conversion. The project aims to pair the S85 V10 engine with a dual-clutch transmission for improved ...

Mad Dog Reprogramming Update Kit Mad Dog Shift Kit Raybestos Z-PAK with 13 Clutches (Replaces Factory 5 Clutches in the 3-4 Drum) the Z-PAK also has Specialized Heat Treated Steels That Withstand Much ...

General Motors' 4L60-E automatic transmission is one of the most popular transmissions ever built. It was initially designed to replace and modernize GM's older Turbo 700R4 — also known as the ...