http://musclecars.howstuffworks.com/

I think the website name says it all...

The Muscle Cars Information section details some of the histories and manufacturers of high-performance vehicles such AMC, Dodge, Plymouth, Buick, Pontiac and Chevy.

Classic Muscle Cars are typically defined as high-performance vehicles with powerful engines, most made between 1964 and 1975. Learn about more than 100 of our favorites, including Chevelles, Chargers, Mustangs, Road Runners and GTOs.

http://musclecars.howstuffworks.com/

part of the website are these links:
Video: School Bus Technology How Car Engines Work
Video: GM's Car of the Future How Superchargers Work
Video: Cars Without Drivers
Video: Neighborhood Electric Cars How the Caparo T1 Works
How the Bugatti Veyron Works How Hybrid Cars Work
How Fuel Cells Work
How Automatic Transmissions Work
How Rotary Engines Work
How Differentials Work
How Diesel Engines Work
How Manual Transmissions Work