Does The 4L80E Have Overdrive? | Gear Facts That Matter
The 4L80E uses a 0.75:1 fourth gear, so it drops engine rpm on the highway. The 4L80E does have overdrive, which is one reason GM truck, van, swap, and tow-build owners still chase it. It keeps the stout TH400-style feel but adds a fourth gear for lower cruising rpm. That answer matters most when you’re […]
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