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calculation for figuring overlap??

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Old Jun 3, 2007 | 02:15 PM
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Default calculation for figuring cam overlap??

I searched for a while and couldn't find it. I saw it the other day and now I can't remember it, anyone know it?

Last edited by bhz28; Jun 3, 2007 at 06:06 PM.
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Old Jun 3, 2007 | 06:06 PM
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anyone?
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Old Jun 3, 2007 | 09:17 PM
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Add the intake and exhaust durations
Divide the results by 4
Subtract the LSA
Multiply the results by 2
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Old Jun 4, 2007 | 05:25 PM
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thanks
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Old Jun 4, 2007 | 06:15 PM
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so I may just be ignorant but what would you need that for? I just did that with my cam and it was 1. Is that normal?
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Old Jun 4, 2007 | 06:59 PM
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1 is fine for boost.I think you just dont want it over+8 ish.You also dont want to big of a standard split on the durations.
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Old Jun 4, 2007 | 08:08 PM
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yes I needed it to figure out a cams overlap I was looking at for my turbo set up
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