What would it take to make 1.44 lbs-ft per cid ?

Newbomb Turk said

Larry’s chart is very accurate. There are engines that don’t fit the chart because rules makers love to make rules.

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I like to take things with a grain of salt, but as I calculate different engines out they all seem to be within the charts ballpark numbers.

From what I understand you generally want intake, port, headers to be tuned around 240-260 fps at peak torque and peak hp be no higher than 338 fps measured, 321 fps calculated.