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911nut 911nut is offline
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Join Date: May 2001
Location: Michigan
Posts: 2,511
Originally Posted by sprbxr View Post
Is it prudent to keep the secondary flapper in the intake or replace it with open tubing? This is a track only car if that makes a difference.
There's a guy over on Rennlist who runs a plastic intake (screen name Geoffrey) on his n/a 964 Cup car. He has his pinned open and is considering removing it as the flap has been known to break free and get ingested into the engine.
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 11-25-2009, 06:59 AM
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