11-07-2011, 09:31 AM
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CC Member
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Join Date: Dec 2001
Location: Louisville,
KY
Cobra Make, Engine: I'm Cobra-less!
Posts: 9,417
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Not Ranked
They can be ordered with any LSA. Like you say, a tighter lobe center will narrow the powerband, but it will also increase overlap, which may or may not be a benefit, depending on the application. It will also decrease piston/valve clearance because of the overlap...you're hanging the valves open longer which increases the chance of bumping one into a piston.
I usually don't use the Xtreme Energy series cams when I do a hydraulic roller, but try to stick with the XFI lobes.
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