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Re: DuBois camshaft explanation

To: deboer@pacbell.net
Subject: Re: DuBois camshaft explanation
From: Jeremy DuBois <jer@thlogic.com>
Date: Thu, 19 Dec 1996 12:28:45 -0500 (EST)
> 
> Jeremy DuBois wrote:
> > 
> > >
> > > I should have known better. When I sent my original cam to Isky to be
> > > reground, I sent one of my worst ones. And to get the extra lift, they had
> > > to add to the lobes somehow.
> > >
> > 
> >   Actually, contrary to common sense, you take material AWAY from the base
> > of the lobe to increase lift.  
> 
> Ah, but Jeremy, that's true enough when you are regrinding a camshaft to
> inprove performance, the original inquiry concerned a shaft worn badly
> enough that it required buildup to regain its normal profile. THAT is
> when you get into the problem of unsatisfactory wear. Basically, when
> the tip of the lobe is worn too far, you have a junk core.   Jarl
> 

  Agreed.

----
Jeremy DuBois                              jer@thlogic.com
Manager, Info Systems                      http://www.thlogic.com/~jer/
Thermalogic Corporation                    '60 TR3A, '74 MGB, '76 Spit

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