Ok here’s a quick diagram of a Speedmaster that window is big enough to flow 330 cfm with a 2,08 valve. If I needed more area it’s there as this is measured at the pinch. I could push the common wall over some without sacrificing my divider witch I refuse to narrow. This is gasket matched to an Edelbrock gadget so I could cut the gasket and go up some and remove some of the upgrade on the floor slightly. Maybe I should ovalize it and make it as good as a fifty year old W2. Lol
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