There is a book that is available that describes allot of information about the new HEMI engines. This book also talks about modifications like heads, cams, nitrous, supercharging.
It is slightly outdated but will tell where the performance is and what is not.
The book is "High-Performance New HEMI builders guide" written by Barry Kluczyk
It was the first thing i read before modding my car.
Good Luck JJG.
Where did u find tis book?
Got mine from my local auto book store in Burbank, CA www.autobooks-aerobooks.com
available at Amazon as well
Who is Barry Kluczyk?
I just got one on Ebay for $10... great reference... has all the specs and measurements for the motor...
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DREAMING OF A NEW MOPAR
Just ordered this on amazon! 25$ shipped cant wait to start reading it!!!!!!!!