The Engine Building Davinci Code
 

The Engine Building Davinci Code
By Don Terrill (c)2005

It's there, written into every sanctioning body rule book, clues to the Holy Grail of horsepower. The clues are not encoded or hidden, they are in plain sight - you just need to ask the right questions:
Why did they feel the need to write this rule? What did a racer do to prompt this rule change? How can I "legally" apply this to

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Source: Raceology - Science of Auto Racing
Technical Column by Don Terrill