The quickest Chevrolet to storm the quarter mile in the early 1960s did not wear a Corvette badge or a Camaro script. It was a plain-looking full-size Impala hiding one of the rarest engines the brand ...

From lock-up automatics to race-ready six-speeds, these overdrive transmissions reshaped street performance, diesel builds, and modern muscle’s success at the dragstrip. There was a time when ...