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ported lid information
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<blockquote data-quote="snakeraper11b" data-source="post: 14120659" data-attributes="member: 128473"><p>I haven't done any personally, many others have. One you probably don't know of, or you wouldn't have started this thread, is NA SVT. AKA probably the most knowledgeable man on this site for all things NA. Even without knowing of NA SVT, seeing any results, dynos, whatever, just ask yourself, in what way would this mod increase power? Are you increasing the amount of air into the engine? No. Are you increasing the duration the air flows into the cylinder? No. Are you increasing V/E? No. Are you increasing plenum volume, well, yes, but, a 1/2" spacer will net about 3-5hp, sometimes. Do you honestly think polishing off a mm or two is going to increase air volume, velocity, or plenum volume? It's common sense. The restriction is in the runners. The lid does absolutely nothing but make the intake into a closed container and house a few vacuum ports and EGR provisions.</p><p></p><p>As for what power do we make? Off of Darkcobra's mods list, I'd say about 365rwhp, maybe a little more or less. I'm hovering the 300-310rwhp area.</p></blockquote><p></p>
[QUOTE="snakeraper11b, post: 14120659, member: 128473"] I haven't done any personally, many others have. One you probably don't know of, or you wouldn't have started this thread, is NA SVT. AKA probably the most knowledgeable man on this site for all things NA. Even without knowing of NA SVT, seeing any results, dynos, whatever, just ask yourself, in what way would this mod increase power? Are you increasing the amount of air into the engine? No. Are you increasing the duration the air flows into the cylinder? No. Are you increasing V/E? No. Are you increasing plenum volume, well, yes, but, a 1/2" spacer will net about 3-5hp, sometimes. Do you honestly think polishing off a mm or two is going to increase air volume, velocity, or plenum volume? It's common sense. The restriction is in the runners. The lid does absolutely nothing but make the intake into a closed container and house a few vacuum ports and EGR provisions. As for what power do we make? Off of Darkcobra's mods list, I'd say about 365rwhp, maybe a little more or less. I'm hovering the 300-310rwhp area. [/QUOTE]
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ported lid information
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