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      12-15-2012, 01:59 PM   #34
pbonsalb
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Drives: 08 E90 M3, 99 E36 M3 Turbo
Join Date: Feb 2011
Location: Concord, NH

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Or Rotrex C38-92 versus Vortech V3 Si Trim. The Vortech flows just a bit more than the Rotrex. As long as IAT are the same, the extra psi does not matter. Looks like the little Rotrex would need more like 2 psi over the Vortech to make the same power as the big Vortech.