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911nut 911nut is offline
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Join Date: May 2001
Location: Michigan
Posts: 2,513
Others on this board have run SC heads with no issues.
The larger ports are a must if you want to make big hp numbers but as mentioned, low speed performance will suffer. Fueling is also an issue if you are staying with CIS; changes to the fuel head will be required.
SC cams are the wrong choice for big port heads. Cams with lots of duration will take the most advantage of the big intake ports.
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 08-25-2010, 03:09 PM
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