Chrysler's 426 Hemi is one of the most famous muscle car engines of the late '60s. You can see exactly why if you run down the list of cars that used it.
The muscle car era produced some of the most iconic cars to ever hit the streets. The V8 440 and its updated versions powered several GM vehicles in that time.
When you think of NASCAR, you probably have a specific vehicle in mind. However, all sorts of cars have found themselves in a NASCAR race over the years.