http://auto.howstuffworks.com/ would be a good place to start, you need to know the basics before you can do anything else.
21st Century Performance by Julian Edgar (available on Amazon last time I checked) is a good general grounding in tuning modern cars and might be a worthwhile purchase after that.
21st Century Performance by Julian Edgar (available on Amazon last time I checked) is a good general grounding in tuning modern cars and might be a worthwhile purchase after that.
