 The second Zimmer Motorcars Corporation offering was the mid-engined Pontiac Fiero-based Quicksilver which was built between 1984 and 1988.Both models were built in the same factory in Pompano Beach, Florida, on simultaneous production lines between the years 1979 to 1988.Ford supplied new Mustangs, which were then modified by stretching the frame for a longer wheelbase and modifying the bodywork etc.