Thread: LS3 vs L99?
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Old 02-11-2009, 04:47 PM   #5
King Mouse
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Drives: EXT
Join Date: Nov 2008
Location: Western PA
Posts: 416
You are right. Pointy cams, less duration, have greater torque at low RPMs but less HP.(they peak sooner) Longer duration cams have more HP but you need more RPMs to get it due to scavenging caused by overlap of intake and exhaust lobes. (more of a top end motor)

There are many other factors involved. Just some basic cam theory.
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