For people who are not of the mechanical persuasion! I searched and searched, as I am asked so many times to explain the basics of the induction system. I finally found a section from a book which explains it better than I have ever seen! If you want the technical low down made easy .... well here it is! All the best.
http://books.google.co.za/books?id=D...l=en#PPA141,M1
Long aint it:D Start at page 141