Gears Magazine - It Worked on the Road Test! The 6T40 4-5-6 Drum Interchange Quandary

For years, we rebuilders have made changes to transmission functionality by either interchanging parts, installing upgrades, or making valve body modifications. It’s just part of the business. A little tweak here, a slight modification there, and presto! it’s ready for the road test. A quick drive on our “road test course” and we’d either deliver […]

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