I have an assignment to write an argumentative paper for my English class this term. I chose to write about turbos and superchargers, and what makes each better. One of the requirements is to use 5 sources to reference, and so I'm looking for some good reference material. I have one book I can use already on turbos. I was wondering if there is a good source of information on Eaton blowers, and maybe some information on the turbo used on the Grand National.