Ford's "RUG" top loader 4-speed has been around in one form or another since 1964. Up until its first phase out in 1973, it was built as a "conventional" transmission with 1:1 final drive ratio. In ...

For more than a decade, installing an overdrive-automatic or manual transmission into a vintage Mustang has been a popular upgrade. It's more common these days, but some people still aren't convinced ...