"Scotty" wrote
| compression & combustion


In other words, fire...... Most people think gasoline and diesel fuel *explodes* on top of the piston
inside the cylinder inside the motor but it *burns*. If it explodes you get that knocking sound. I learned
all about it from this book. http://www.amazon.com/Auto-Repair-Du.../dp/0764550896

Cheers,
Ellen