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How does a split duration cam work?

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Old 11-26-2001, 02:06 PM
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Default How does a split duration cam work?

I am wondering exactly what a split cam is and how it works resulting in power. I was thinking about this on the way to work. I think there are people here that could explain this to me..

I’m taking a guess (hopefully the logical guess here). <img src="images/icons/frown.gif" border="0"> Split duration would have 2 different amounts of duration, Intake versus Exhaust? One being slightly longer.. Which has the longer duration? Or does it depend on the cam? How would this result in better performance?

Also what are the advantages and disadvantages of a split cam? <img src="images/icons/confused.gif" border="0">

Thanks for helping me fill my head full of knowledge. <img src="graemlins/fluffy.gif" border="0" alt="[Fluffy]" />
Old 11-26-2001, 02:16 PM
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Default Re: How does a split duration cam work?

You are right about having different durations on intake vs. exhaust. Usually the exhaust side has more duration than the intake which helps get the burnt fumes out of the combustion chamber faster, which results in more power.

More exhaust duration will work well with n2o applications. <img src="images/icons/grin.gif" border="0">
Old 11-26-2001, 02:54 PM
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Default Re: How does a split duration cam work?

Bad Habbit,
Thanks for the info..
Old 11-26-2001, 03:16 PM
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Default Re: How does a split duration cam work?

A thread I captured in feb 2001
about this topic..

http://ls1info.com/article.php?sid=124
Old 11-26-2001, 04:52 PM
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Default Re: How does a split duration cam work?

TA,
Thanks for the link.. I knew cams are dependant on a lot of other things like head flow, converter, bla bla. Still good link..



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