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I have had Performance Trends engine analyser for about 4 years. I use to build string instruments and understand the importance of air waves. I noticed one day that most engines that I built were making max HP at about 280 to 290 ft./sec. This does change with altitude also.
To better understand intake flow we must understand frequency science. Studying harmonics and wave length will help understand.
My Hypothesis is maximum torque is largerly influenced by CID, cam prohile, compression and intake port cross sectional area. Maximum torque is also influence by intake port length and Plenum Volume.
Read this article will help.
http://www.chrysler300club.com/uniq/allaboutrams/ramtheory.htm
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