just linked to an article from this on the general forum, worth noting this is a free website & email list that often has some good articles on automotive technology.
www.all4engineers.com
i would reproduce the latest mail but i just read this bit at the bottom:
Quote:
All rights are reserved. No part of this online service may be reproduced or distributed without written permission from the publisher. This particularly includes commercial reproduction in printed or photocopied form, recording to electronic databases and copying onto CD-ROM, the Internet or any other electronic data carrier.