good explanation on how...
 

the piston, exhaust valve, sparkplug, etc., works...

i'm sure most of you already know how it works, but it's helpful to those who don't.

http://www.cars.com/carsapp/national..._overview.tmpl

all i see is a review of the rsx :o

you don't see the animation half way down the page?

www.howstuffworks.com
You'll get way more from that page...