Ducksters
Ducksters: Nascar: About the Race Cars
All about NASCAR race cars including horsepower, weight, Busch, Nextel Cup, and Crafstman Truck Series cars.
Other
Engine Science: Volumetric Efficiency
This page discusses the science and mechanics involved in the operation of a basic four stroke engine.
Other
Engine Science: Induction Basics
This page discusses the things involved with the fuel mixing in with air to produce a power output. Also include a picture of the intake system.