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911nut 911nut is offline
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Join Date: May 2001
Location: Michigan
Posts: 2,511
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We all run rich because we assume that air flow is not equal to all cylinders.
If we were building race engines that had to develop max power with the highest possible economy, we'd flow the intake and heads until everything was near equal and run an afr of 12 - 12.5 because that's where max torque is made, regardless of whether the engine is turbocharged or not.
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Paul B.
'91 964 Turbo
Port matched, SC cams, K27/K29 turbo, Roush Performance custom headers w/Tial MV-S dual wastegates, Rarlyl8 muffler, LWFW, GT2 clutch & PP, BL wur, factory RS shifter, RS mounts, FVD timing mod, Big Reds, - 210 lb
Old 04-20-2010, 04:18 PM
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