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how do you figure cam overlap?

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Old Feb 25, 2010 | 03:59 PM
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From: CALI 707
Exclamation how do you figure cam overlap?
i was wondering how would i figure out the overlap of this cam?? 222/226 .597/ .598 on a 115 lsa
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Old Feb 25, 2010 | 04:16 PM
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it comes out to -6 degrees using an online calculator
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Old Feb 25, 2010 | 04:33 PM
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From: CALI 707
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whats the link for that calculator?
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Old Feb 25, 2010 | 04:43 PM
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The formula is:

((Intake Duration + Exhaust Duration)/2)-(2xLSA)

And yes. that one has -6º of overlap @.050".
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Old Feb 25, 2010 | 04:46 PM
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(Intake Duration+Exhaust Duration)/2 - (LSAx2) = Overlap.
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Old Feb 25, 2010 | 04:48 PM
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Originally Posted by Matt@Texas-Speed
The formula is:

((Intake Duration + Exhaust Duration)/2)-(2xLSA)

And yes. that one has -6º of overlap @.050".
Never mind, Matt beat me to it
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Old Feb 25, 2010 | 04:50 PM
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pretty much this 222+226=448/2=224-115=109-115=-6
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