01-02-2008, 01:14 PM
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#4 (permalink)
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Batman Junior
Join Date: Nov 2007
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OK, spell it out for me please: Why is the 2 valve head going to be more efficient than the old 4-valver?
I'm assuming it's probably got a different cam profile - perhaps tuned more for lower end torque, where the 4-valver cam profile is mostly about high RPM hp?
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