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Old 10-06-2013, 09:36 PM
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split duration

Originally Posted by jokerZ71 View Post
Back to the nostalgia cam tho.By increasing the intake lift,I wonder what the purpose was behind that?
My cam I use bigger rockers on the intake side.
as tech tells everyone (that listens)the intake closing time is the most important part of choosing the cam
The same engine will usually tolerate a little more exhaust duration so,,,
maximize the intake closing time and use bigger ratio rockers,,,this is the biggest cam you can run(or bigger than what you might have picked) The exhaust valve staying open longer gives time for exhaust like a bigger cam,no need to increase rocker ratio.
Poor wording,sorry.
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