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911nut 911nut is offline
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Join Date: May 2001
Location: Michigan
Posts: 2,502
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If the diaphragm is torn then the pressure from the intake can't lift it and the valve on the hot side, so the turbo can overspeed and make GOBS of boost.
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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 08-29-2008, 04:07 PM
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