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SVT Shelby GT500
Stock Pulley Size??
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<blockquote data-quote="Catmonkey" data-source="post: 15524927" data-attributes="member: 124025"><p>Pretty sure the stock pulley was 3" on 07-12. The TVS equipped 13-14 had a smaller pulley of about 2.7".</p><p></p><p>When you say crank is around 5.45". Are you talking lower pulley diameter? To spin the blower 14,000 rpm or a 2:1 blower ratio, you need a pulley half that size, so roughly a 2.7" pulley with that lower pulley diameter. The GT500 used larger lower pulley diameter of 7.1". Assuming 7,000 rpm inferred from your criteria, you'd be pushing about 1,148 CFM. If you mean 11,000 rpm for the blower, you'd be moving about 902 CFM</p></blockquote><p></p>
[QUOTE="Catmonkey, post: 15524927, member: 124025"] Pretty sure the stock pulley was 3" on 07-12. The TVS equipped 13-14 had a smaller pulley of about 2.7". When you say crank is around 5.45". Are you talking lower pulley diameter? To spin the blower 14,000 rpm or a 2:1 blower ratio, you need a pulley half that size, so roughly a 2.7" pulley with that lower pulley diameter. The GT500 used larger lower pulley diameter of 7.1". Assuming 7,000 rpm inferred from your criteria, you'd be pushing about 1,148 CFM. If you mean 11,000 rpm for the blower, you'd be moving about 902 CFM [/QUOTE]
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SVT Shelby GT500
Stock Pulley Size??
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