Cam: Calculate LCA (cam°) from lobe center angles (crank°)? - Hot Rod Forum : Hotrodders Bulletin Board
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Old 09-14-2004, 06:00 PM
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Cam: Calculate LCA (cam°) from lobe center angles (crank°)?

May be a dumb question but...

Can you take the two lobe centerline angles in crank °, sum them then divide by 2 and arrive at the centerline or separation angle in cam °?

E.g. let's say a cam has:
intake lobe centerline @ 108° crank
exhaust lobe centerline @ 116° crank
and you don't know what the LCA is...

LCA = (108+116)/2 = 112°?

thanks for the sanity check!

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Old 09-14-2004, 06:29 PM
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Short changed on common sense
 
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That is the correct way to find lobe sep.
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Old 09-14-2004, 07:28 PM
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Thanks! I've been doing it but wasn't positive it was correct.
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