Within the past few years, Ford has introduced two 4-speed automatic overdrive transmissions: the AOD and A4LD. Many readers have inquired whether either of these new transmissions can replace ...

For the longest time, if you ran a Ford small-block or Windsor engine and wanted to run an automatic, your transmission of choice would likely be a C4. For heavier duty applications you'd likely ...

For more than a decade, installing an overdrive-automatic ... speed overdrive transmission for any stock vintage Mustang with a 289, 302, or 351 engine. There are similarities with T5 and AOD ...