http://3.bp.blogspot.com/_aJrMb0o9f4I/S5...r+de+Tripla.jpgIf I'm not mistaken that's a cutaway 194-292 Chevy six.
Looks like the casting even has bosses for balance tubes.
Neat idea, I wonder how it would run?
A strong signal to carbs but maybe not good for high rpms?
Pete