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New Edge Cobras
ported lid information
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<blockquote data-quote="na svt" data-source="post: 14123910" data-attributes="member: 35346"><p>There is nothing you can do tot he lid to increase power. I've tested them, it's a waste of time. The only time "porting" helps is when the affected area see's high velocity airflow and the plenum doesn't.</p><p></p><p>I've also enlarged the holes to 65mm for bigger TBS (which don't add power) and the power gain was a big "0." </p><p></p><p>The lower can be ported (I've done more than most, if not all) and the gains are minimal unless you shorten the runners.</p></blockquote><p></p>
[QUOTE="na svt, post: 14123910, member: 35346"] There is nothing you can do tot he lid to increase power. I've tested them, it's a waste of time. The only time "porting" helps is when the affected area see's high velocity airflow and the plenum doesn't. I've also enlarged the holes to 65mm for bigger TBS (which don't add power) and the power gain was a big "0." The lower can be ported (I've done more than most, if not all) and the gains are minimal unless you shorten the runners. [/QUOTE]
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ported lid information
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