Wilson Manifold Carburetor Spacer - Spacer Science

Theory, Application, And Testing Of The Wilson Tapered Carburetor SpacerAt first glance, it's easy to take a Pontiac intake manifold for granted. It appears to be nothing more than an intermediate component that's used to connect the carburetor to the cylinder heads. But under further examination, it's discovered that it plays a dominant role in determining the character of a Pontiac engine and how much power it produces. Not until the General Motors designs that incorporated variable runner geometry emerged in the '90s did a manifold contain any moving parts. It works through a collaboration of theories, internal and external to the engine. If calculated properly, the manifold helps produce power, while an improper design would hinder output.

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