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Originally Posted by R4GlassStudio
The last line says it all. There is more enginerring involved than just larger valves. Precise mathmatical calculation was used to get the performance up. The size of manifold volume vrs valve openings, length of tubes, etc.... were all designed to work together to create a venturi effect. This is where you take a larger space (manifold) and taper it down which creates a "pulling" effect on the fuel, speeding up it's flow and the ability to burn more fuel. This wasn't a "guess" in design, it started as a math equation applied to flow and heat to create a product.
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What a coincidence! That's how the Bobcat was designed!
