Hot Rod Forum : Hotrodders Bulletin Board - View Single Post - The RPM Air Gap manifold
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Old 03-03-2003, 11:29 AM
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My reading suggests that the design results in flow characteristics just about equal with the RPM. However, because it has more of the runners exposed to cool air, you get a better volumetric increase from the cooler intake and therefore better overall performance. Chevy High performance likes it better than the RPM for a dual plane manifold.
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