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Horsepower to turn the cam?

To: FOT@autox.team.net
Subject: Horsepower to turn the cam?
From: Gt6steve@aol.com
Date: Wed, 26 Feb 2003 09:52:57 EST
Good Morning Amici,
I've been doing some pondering of late and wonder if anyone has measured the 
horsepower required to run our typical race cams?  I'm wondering what forces 
are acting on our chains, do we really need the dual chain, what size belt 
could we use, how much can we lighten the sprockets, etc, etc...
I can measure the torque to roll it around but lack the mathematics to 
develop a formula accounting for RPM.  Anybody have a rule of thumb, a WAG or 
a genuine method to calculate it?
Enquiring minds want to know...
Thanx, Steve Smith

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