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sand_man sand_man is offline
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Join Date: Oct 2005
Location: Cooterville, Cackalacky
Posts: 6,754
I see that you are running SC cams, and the "fall off" at about 5,500 RPMs is a typical signature for them. I also think that those cams would be better paired with a K27 over the 3LDZ. The K27-7200 spools sooner and more gradual than the 3LDZ; not much of that "light switch" effect. And being that the SC cams are producing most of their power at the lower end, you want the turbo to also be doing it's thing sooner, too...I think you'd always want sooner spooling anyway!

FWIW, I have SC cams in my engine, and have been pretty happy with them...I'm sure there are better choices, but I just went with what was tried and true for a street engine.
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Old 10-30-2007, 02:43 AM
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