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SVT Shelby GT500
MMR Ported Lower Intake Manifold and Heads
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<blockquote data-quote="Fourcam330" data-source="post: 4784455" data-attributes="member: 24445"><p>MMR used to, as I said, they may not anymore. Extrude Honing is the wrong way to port pretty much anything. When working a set of heads you want to remove material in some places, not touch it in others, and add some in others; basically reshape/recontour the ports/bowls/seats. EHing removes the same amount of material from all places, just making what was already there, bigger. Applying this logic to an intake manifold is less of a disaster, especially in the case of forced induction, but you get the idea. </p><p>Also, smooth doesn't mean squat.</p></blockquote><p></p>
[QUOTE="Fourcam330, post: 4784455, member: 24445"] MMR used to, as I said, they may not anymore. Extrude Honing is the wrong way to port pretty much anything. When working a set of heads you want to remove material in some places, not touch it in others, and add some in others; basically reshape/recontour the ports/bowls/seats. EHing removes the same amount of material from all places, just making what was already there, bigger. Applying this logic to an intake manifold is less of a disaster, especially in the case of forced induction, but you get the idea. Also, smooth doesn't mean squat. [/QUOTE]
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MMR Ported Lower Intake Manifold and Heads
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