A version of Coventry-Climax’s FMWA engine was readied by ... Though it would be stuck with the Imp (sold as a Hillman, Sunbeam, Singer, and Commer van) until 1976, Chrysler sold its stake ...

While most engines made in the last 100 years have adhered to the standard single-piston per-cylinder design, the TS3, also known as the "Commer Knocker," is an exception. The opposed-piston ...