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SN95 Cobras
Kenne bell 2.1L
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<blockquote data-quote="mlackke" data-source="post: 16185053" data-attributes="member: 187511"><p>Actually when comparing factory unit other similar (dual port TB), the numbers do match. Eg:</p><p>05-10 mustang have 2x55mm, flowing 890CFM</p><p>KB has TB with 2x75mm, flowing 1880CFM.</p><p>So when using those as reference and do the math, 2x57mm flows about 1000CFM</p><p></p><p>Either way i think those numbers are irrelevant, eg it is more about how much CFM engine needs and is intake able to provide it. Eg 1000CFM requires that 4.6L engine is running with 16psi boost. So unless hitting 15psi+, in theory you should be good with factory unit.</p><p></p><p>Just my 50cents.</p></blockquote><p></p>
[QUOTE="mlackke, post: 16185053, member: 187511"] Actually when comparing factory unit other similar (dual port TB), the numbers do match. Eg: 05-10 mustang have 2x55mm, flowing 890CFM KB has TB with 2x75mm, flowing 1880CFM. So when using those as reference and do the math, 2x57mm flows about 1000CFM Either way i think those numbers are irrelevant, eg it is more about how much CFM engine needs and is intake able to provide it. Eg 1000CFM requires that 4.6L engine is running with 16psi boost. So unless hitting 15psi+, in theory you should be good with factory unit. Just my 50cents. [/QUOTE]
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