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	<title>Supercharger Performance and Engine Performance Parts &#187; header design</title>
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	<itunes:summary>This podcast covers:
Supercharger News (OEM cars, kits, modifications)
Supercharger Q&amp;A session
Interviews with tuners and owners
Featured cars</itunes:summary>
	<itunes:author>Haitham Alhumsi</itunes:author>
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		<itunes:name>Haitham Alhumsi</itunes:name>
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	<itunes:keywords>Supercharger, Performance, Cars, Automotive</itunes:keywords>
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		<title>Design a 4-2-1 header using the supercharger header calculator</title>
		<link>http://www.superchargerperformance.com/supercharger-power-parts/design-a-4-2-1-header-using-the-supercharger-calculator</link>
		<comments>http://www.superchargerperformance.com/supercharger-power-parts/design-a-4-2-1-header-using-the-supercharger-calculator#comments</comments>
		<pubDate>Sun, 15 Nov 2009 23:45:49 +0000</pubDate>
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				<category><![CDATA[Supercharger Power Parts]]></category>
		<category><![CDATA[4-2-1]]></category>
		<category><![CDATA[header calculator]]></category>
		<category><![CDATA[header design]]></category>
		<category><![CDATA[Power Calculator]]></category>
		<category><![CDATA[supercharger performance]]></category>
		<category><![CDATA[tri-y]]></category>

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		<description><![CDATA[Tweet Update: The article below was written for an older version (version 3.1) of the header calculator. Since then, in version 3.3 and above, the power calculator is able to do all forms of header calculations, including: Primary and secondary pipe lengths and diameters Shorty, tri-y, and long tube header designs Targeting a specific rpm range for your long tube or tri-y design for maximum launch power or best street cruising The first part of the video below is still informational because it goes through the concept and theory of a 4-2-1 header and why it is benifitial on street applications. Part 2 of the video which covers using the old version of the header calculator is now obselete I&#8217;m afraid. Be sure to checkout the link at the bottom of this page to the free trial of the power calculator where you can calculate the dimensions for your intake, shorty header and exhaust for FREE I received a question in email last week about using the power calculator to design a tri-y or 4-2-1 header for a 4 cylinder application. The car in question is going to be used during a hill climb competition, and in this type of racing a [...]


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