Street racing is now regarded as a highly illicit and dangerous activity, but this was not always the case. For as long as there have been cars, there's been racing, and a lot of acceleration contests took place on public roads. The car owner/drivers were not only competing for pride, but typically there was some kind of cash wager involved. For this reason, it became popular in the 1950s for some enterprising street racers to disguise or hide the true potential hidden within their cars. Taken to its extreme, a very fast car could appear completely unmodified. Such cars were called 'Sleepers,...