It is an interesting topic and no need for any pissing. This is a tech section.
Small engines like the new coyote 5.0 has heads that flow 300cfm. I understand that it is a 4v engine and is not a direct comparison. But, it is a classic case of big heads/small engine.
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General Stonewall Jackson has been quoted saying that when the time of war comes,
“My advice is to draw the sword and throw away the scabbard".