The venturi effect is used in carburetors, yes, but its a general term used to describe the increase in velocity that a fluid (such as air) experiences when passing through a tube that is decreasing in area. Basically I would leave the area by the throttle blades the same width, and then port it out till I get to the outer edge. This would cause a slight increase in air velocity, which will help keep the engine from starving in the upper RPMs. Won't make a big difference in the total air flow, but it should help noticably reduce pumping loses, in the way that a short ram intake reduces pumping loses in order to make power.
- Xanthos
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2017 1LT/RS A8 Hyper Blue Metallic
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