11-28-2007, 01:47 PM
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#11 (permalink)
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Batman Junior
Join Date: Nov 2007
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OK, smartypants... if a cam swap can improve efficiency, why don't all Metros have this kind of cam?
Because the cam profile is not good for top end performance. Lowers the redline (valves are more prone to floating than with the stock cam).
Remember the XFi also has a taller than regular final drive, so its cam profile goes better with that.
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